diff --git a/extensions/git-base/src/api/api1.ts b/extensions/git-base/src/api/api1.ts
index 7b261f10683..005a7930356 100644
--- a/extensions/git-base/src/api/api1.ts
+++ b/extensions/git-base/src/api/api1.ts
@@ -5,9 +5,9 @@
 
 import { Disposable, commands } from 'vscode';
 import { Model } from '../model';
-import { pickRemoteSource } from '../remoteSource';
+import { getRemoteSourceActions, pickRemoteSource } from '../remoteSource';
 import { GitBaseExtensionImpl } from './extension';
-import { API, PickRemoteSourceOptions, PickRemoteSourceResult, RemoteSourceProvider } from './git-base';
+import { API, PickRemoteSourceOptions, PickRemoteSourceResult, RemoteSourceAction, RemoteSourceProvider } from './git-base';
 
 export class ApiImpl implements API {
 
@@ -17,6 +17,10 @@ export class ApiImpl implements API {
 		return pickRemoteSource(this._model, options as any);
 	}
 
+	getRemoteSourceActions(url: string): Promise<RemoteSourceAction[]> {
+		return getRemoteSourceActions(this._model, url);
+	}
+
 	registerRemoteSourceProvider(provider: RemoteSourceProvider): Disposable {
 		return this._model.registerRemoteSourceProvider(provider);
 	}
diff --git a/extensions/git-base/src/api/git-base.d.ts b/extensions/git-base/src/api/git-base.d.ts
index 8510df6d043..53cac4d5c70 100644
--- a/extensions/git-base/src/api/git-base.d.ts
+++ b/extensions/git-base/src/api/git-base.d.ts
@@ -44,6 +44,15 @@ export interface PickRemoteSourceResult {
 	readonly branch?: string;
 }
 
+export interface RemoteSourceAction {
+	readonly label: string;
+	/**
+	 * Codicon name
+	 */
+	readonly icon: string;
+	run(branch: string): void;
+}
+
 export interface RemoteSource {
 	readonly name: string;
 	readonly description?: string;
@@ -70,6 +79,7 @@ export interface RemoteSourceProvider {
 	readonly supportsQuery?: boolean;
 
 	getBranches?(url: string): ProviderResult<string[]>;
+	getRemoteSourceActions?(url: string): ProviderResult<RemoteSourceAction[]>;
 	getRecentRemoteSources?(query?: string): ProviderResult<RecentRemoteSource[]>;
 	getRemoteSources(query?: string): ProviderResult<RemoteSource[]>;
 }
diff --git a/extensions/git-base/src/remoteSource.ts b/extensions/git-base/src/remoteSource.ts
index d7fb85c620f..05831eb010b 100644
--- a/extensions/git-base/src/remoteSource.ts
+++ b/extensions/git-base/src/remoteSource.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { QuickPickItem, window, QuickPick, QuickPickItemKind, l10n } from 'vscode';
-import { RemoteSourceProvider, RemoteSource, PickRemoteSourceOptions, PickRemoteSourceResult } from './api/git-base';
+import { RemoteSourceProvider, RemoteSource, PickRemoteSourceOptions, PickRemoteSourceResult, RemoteSourceAction } from './api/git-base';
 import { Model } from './model';
 import { throttle, debounce } from './decorators';
 
@@ -81,6 +81,20 @@ class RemoteSourceProviderQuickPick {
 	}
 }
 
+export async function getRemoteSourceActions(model: Model, url: string): Promise<RemoteSourceAction[]> {
+	const providers = model.getRemoteProviders();
+
+	const remoteSourceActions = [];
+	for (const provider of providers) {
+		const providerActions = await provider.getRemoteSourceActions?.(url);
+		if (providerActions?.length) {
+			remoteSourceActions.push(...providerActions);
+		}
+	}
+
+	return remoteSourceActions;
+}
+
 export async function pickRemoteSource(model: Model, options: PickRemoteSourceOptions & { branch?: false | undefined }): Promise<string | undefined>;
 export async function pickRemoteSource(model: Model, options: PickRemoteSourceOptions & { branch: true }): Promise<PickRemoteSourceResult | undefined>;
 export async function pickRemoteSource(model: Model, options: PickRemoteSourceOptions = {}): Promise<string | PickRemoteSourceResult | undefined> {
diff --git a/extensions/git/src/api/api1.ts b/extensions/git/src/api/api1.ts
index e1fcc022aa6..375d07c4198 100644
--- a/extensions/git/src/api/api1.ts
+++ b/extensions/git/src/api/api1.ts
@@ -5,7 +5,7 @@
 
 import { Model } from '../model';
 import { Repository as BaseRepository, Resource } from '../repository';
-import { InputBox, Git, API, Repository, Remote, RepositoryState, Branch, ForcePushMode, Ref, Submodule, Commit, Change, RepositoryUIState, Status, LogOptions, APIState, CommitOptions, RefType, CredentialsProvider, BranchQuery, PushErrorHandler, PublishEvent, FetchOptions, RemoteSourceProvider, RemoteSourcePublisher, PostCommitCommandsProvider, RefQuery, BranchProtectionProvider } from './git';
+import { InputBox, Git, API, Repository, Remote, RepositoryState, Branch, ForcePushMode, Ref, Submodule, Commit, Change, RepositoryUIState, Status, LogOptions, APIState, CommitOptions, RefType, CredentialsProvider, BranchQuery, PushErrorHandler, PublishEvent, FetchOptions, RemoteSourceProvider, RemoteSourcePublisher, PostCommitCommandsProvider, RefQuery, BranchProtectionProvider, InitOptions } from './git';
 import { Event, SourceControlInputBox, Uri, SourceControl, Disposable, commands, CancellationToken } from 'vscode';
 import { combinedDisposable, mapEvent } from '../util';
 import { toGitUri } from '../uri';
@@ -294,9 +294,9 @@ export class ApiImpl implements API {
 		return result ? new ApiRepository(result) : null;
 	}
 
-	async init(root: Uri): Promise<Repository | null> {
+	async init(root: Uri, options?: InitOptions): Promise<Repository | null> {
 		const path = root.fsPath;
-		await this._model.git.init(path);
+		await this._model.git.init(path, options);
 		await this._model.openRepository(path);
 		return this.getRepository(root) || null;
 	}
@@ -362,6 +362,7 @@ function getStatus(status: Status): string {
 		case Status.UNTRACKED: return 'UNTRACKED';
 		case Status.IGNORED: return 'IGNORED';
 		case Status.INTENT_TO_ADD: return 'INTENT_TO_ADD';
+		case Status.INTENT_TO_RENAME: return 'INTENT_TO_RENAME';
 		case Status.ADDED_BY_US: return 'ADDED_BY_US';
 		case Status.ADDED_BY_THEM: return 'ADDED_BY_THEM';
 		case Status.DELETED_BY_US: return 'DELETED_BY_US';
diff --git a/extensions/git/src/api/git-base.d.ts b/extensions/git/src/api/git-base.d.ts
index dca68d13071..1eeb1739901 100644
--- a/extensions/git/src/api/git-base.d.ts
+++ b/extensions/git/src/api/git-base.d.ts
@@ -8,6 +8,7 @@ export { ProviderResult } from 'vscode';
 
 export interface API {
 	pickRemoteSource(options: PickRemoteSourceOptions): Promise<string | PickRemoteSourceResult | undefined>;
+	getRemoteSourceActions(url: string): Promise<RemoteSourceAction[]>;
 	registerRemoteSourceProvider(provider: RemoteSourceProvider): Disposable;
 }
 
@@ -31,9 +32,12 @@ export interface GitBaseExtension {
 
 export interface PickRemoteSourceOptions {
 	readonly providerLabel?: (provider: RemoteSourceProvider) => string;
-	readonly urlLabel?: string;
+	readonly urlLabel?: string | ((url: string) => string);
 	readonly providerName?: string;
+	readonly title?: string;
+	readonly placeholder?: string;
 	readonly branch?: boolean; // then result is PickRemoteSourceResult
+	readonly showRecentSources?: boolean;
 }
 
 export interface PickRemoteSourceResult {
@@ -41,20 +45,42 @@ export interface PickRemoteSourceResult {
 	readonly branch?: string;
 }
 
+export interface RemoteSourceAction {
+	readonly label: string;
+	/**
+	 * Codicon name
+	 */
+	readonly icon: string;
+	run(branch: string): void;
+}
+
 export interface RemoteSource {
 	readonly name: string;
 	readonly description?: string;
+	readonly detail?: string;
+	/**
+	 * Codicon name
+	 */
+	readonly icon?: string;
 	readonly url: string | string[];
 }
 
+export interface RecentRemoteSource extends RemoteSource {
+	readonly timestamp: number;
+}
+
 export interface RemoteSourceProvider {
 	readonly name: string;
 	/**
 	 * Codicon name
 	 */
 	readonly icon?: string;
+	readonly label?: string;
+	readonly placeholder?: string;
 	readonly supportsQuery?: boolean;
 
 	getBranches?(url: string): ProviderResult<string[]>;
+	getRemoteSourceActions?(url: string): ProviderResult<RemoteSourceAction[]>;
+	getRecentRemoteSources?(query?: string): ProviderResult<RecentRemoteSource[]>;
 	getRemoteSources(query?: string): ProviderResult<RemoteSource[]>;
 }
diff --git a/extensions/git/src/api/git.d.ts b/extensions/git/src/api/git.d.ts
index e3ec7c1000d..30b8c271103 100644
--- a/extensions/git/src/api/git.d.ts
+++ b/extensions/git/src/api/git.d.ts
@@ -78,6 +78,7 @@ export const enum Status {
 	UNTRACKED,
 	IGNORED,
 	INTENT_TO_ADD,
+	INTENT_TO_RENAME,
 
 	ADDED_BY_US,
 	ADDED_BY_THEM,
@@ -156,6 +157,10 @@ export interface FetchOptions {
 	depth?: number;
 }
 
+export interface InitOptions {
+	defaultBranch?: string;
+}
+
 export interface RefQuery {
 	readonly contains?: string;
 	readonly count?: number;
@@ -307,7 +312,7 @@ export interface API {
 
 	toGitUri(uri: Uri, ref: string): Uri;
 	getRepository(uri: Uri): Repository | null;
-	init(root: Uri): Promise<Repository | null>;
+	init(root: Uri, options?: InitOptions): Promise<Repository | null>;
 	openRepository(root: Uri): Promise<Repository | null>
 
 	registerRemoteSourcePublisher(publisher: RemoteSourcePublisher): Disposable;
diff --git a/extensions/git/src/commands.ts b/extensions/git/src/commands.ts
index 624e9d2353c..cdf81dc6e61 100644
--- a/extensions/git/src/commands.ts
+++ b/extensions/git/src/commands.ts
@@ -5,7 +5,7 @@
 
 import * as os from 'os';
 import * as path from 'path';
-import { Command, commands, Disposable, LineChange, MessageOptions, Position, ProgressLocation, QuickPickItem, Range, SourceControlResourceState, TextDocumentShowOptions, TextEditor, Uri, ViewColumn, window, workspace, WorkspaceEdit, WorkspaceFolder, TimelineItem, env, Selection, TextDocumentContentProvider, InputBoxValidationSeverity, TabInputText, TabInputTextMerge, QuickPickItemKind, TextDocument, LogOutputChannel, l10n, Memento, UIKind } from 'vscode';
+import { Command, commands, Disposable, LineChange, MessageOptions, Position, ProgressLocation, QuickPickItem, Range, SourceControlResourceState, TextDocumentShowOptions, TextEditor, Uri, ViewColumn, window, workspace, WorkspaceEdit, WorkspaceFolder, TimelineItem, env, Selection, TextDocumentContentProvider, InputBoxValidationSeverity, TabInputText, TabInputTextMerge, QuickPickItemKind, TextDocument, LogOutputChannel, l10n, Memento, UIKind, QuickInputButton, ThemeIcon } from 'vscode';
 import TelemetryReporter from '@vscode/extension-telemetry';
 import { uniqueNamesGenerator, adjectives, animals, colors, NumberDictionary } from '@joaomoreno/unique-names-generator';
 import { Branch, ForcePushMode, GitErrorCodes, Ref, RefType, Status, CommitOptions, RemoteSourcePublisher, Remote } from './api/git';
@@ -17,7 +17,8 @@ import { fromGitUri, toGitUri, isGitUri, toMergeUris } from './uri';
 import { grep, isDescendant, pathEquals, relativePath } from './util';
 import { GitTimelineItem } from './timelineProvider';
 import { ApiRepository } from './api/api1';
-import { pickRemoteSource } from './remoteSource';
+import { getRemoteSourceActions, pickRemoteSource } from './remoteSource';
+import { RemoteSourceAction } from './api/git-base';
 
 class CheckoutItem implements QuickPickItem {
 
@@ -25,8 +26,11 @@ class CheckoutItem implements QuickPickItem {
 	get label(): string { return `${this.repository.isBranchProtected(this.ref) ? '$(lock)' : '$(git-branch)'} ${this.ref.name || this.shortCommit}`; }
 	get description(): string { return this.shortCommit; }
 	get refName(): string | undefined { return this.ref.name; }
+	get refRemote(): string | undefined { return this.ref.remote; }
+	get buttons(): QuickInputButton[] | undefined { return this._buttons; }
+	set buttons(newButtons: QuickInputButton[] | undefined) { this._buttons = newButtons; }
 
-	constructor(protected repository: Repository, protected ref: Ref) { }
+	constructor(protected repository: Repository, protected ref: Ref, protected _buttons?: QuickInputButton[]) { }
 
 	async run(opts?: { detached?: boolean }): Promise<void> {
 		if (!this.ref.name) {
@@ -278,7 +282,54 @@ async function createCheckoutItems(repository: Repository, detached = false): Pr
 		}
 	}
 
-	return processors.reduce<CheckoutItem[]>((r, p) => r.concat(...p.items), []);
+	const buttons = await getRemoteRefItemButtons(repository);
+	let fallbackRemoteButtons: RemoteSourceActionButton[] | undefined = [];
+	const remote = repository.remotes.find(r => r.pushUrl === repository.HEAD?.remote || r.fetchUrl === repository.HEAD?.remote) ?? repository.remotes[0];
+	const remoteUrl = remote.pushUrl ?? remote.fetchUrl;
+	if (remoteUrl) {
+		fallbackRemoteButtons = buttons.get(remoteUrl);
+	}
+
+	return processors.reduce<CheckoutItem[]>((r, p) => r.concat(...p.items.map((item) => {
+		if (item.refRemote) {
+			const matchingRemote = repository.remotes.find((remote) => remote.name === item.refRemote);
+			const remoteUrl = matchingRemote?.pushUrl ?? matchingRemote?.fetchUrl;
+			if (remoteUrl) {
+				item.buttons = buttons.get(item.refRemote);
+			}
+		}
+
+		item.buttons = fallbackRemoteButtons;
+		return item;
+	})), []);
+}
+
+type RemoteSourceActionButton = {
+	iconPath: ThemeIcon;
+	tooltip: string;
+	actual: RemoteSourceAction;
+};
+
+async function getRemoteRefItemButtons(repository: Repository) {
+	// Compute actions for all known remotes
+	const remoteUrlsToActions = new Map<string, RemoteSourceActionButton[]>();
+
+	const getButtons = async (remoteUrl: string) => (await getRemoteSourceActions(remoteUrl)).map((action) => ({ iconPath: new ThemeIcon(action.icon), tooltip: action.label, actual: action }));
+
+	for (const remote of repository.remotes) {
+		if (remote.fetchUrl) {
+			const actions = remoteUrlsToActions.get(remote.fetchUrl) ?? [];
+			actions.push(...await getButtons(remote.fetchUrl));
+			remoteUrlsToActions.set(remote.fetchUrl, actions);
+		}
+		if (remote.pushUrl && remote.pushUrl !== remote.fetchUrl) {
+			const actions = remoteUrlsToActions.get(remote.pushUrl) ?? [];
+			actions.push(...await getButtons(remote.pushUrl));
+			remoteUrlsToActions.set(remote.pushUrl, actions);
+		}
+	}
+
+	return remoteUrlsToActions;
 }
 
 class CheckoutProcessor {
@@ -2084,7 +2135,17 @@ export class CommandCenter {
 		quickpick.items = picks;
 		quickpick.busy = false;
 
-		const choice = await new Promise<QuickPickItem | undefined>(c => quickpick.onDidAccept(() => c(quickpick.activeItems[0])));
+		const choice = await new Promise<QuickPickItem | undefined>(c => {
+			quickpick.onDidAccept(() => c(quickpick.activeItems[0]));
+			quickpick.onDidTriggerItemButton((e) => {
+				quickpick.hide();
+				const button = e.button as QuickInputButton & { actual: RemoteSourceAction };
+				const item = e.item as CheckoutItem;
+				if (button.actual && item.refName) {
+					button.actual.run(item.refRemote ? item.refName.substring(item.refRemote.length + 1) : item.refName);
+				}
+			});
+		});
 		quickpick.hide();
 
 		if (!choice) {
diff --git a/extensions/git/src/decorationProvider.ts b/extensions/git/src/decorationProvider.ts
index 7c8ee74043c..c630f00c712 100644
--- a/extensions/git/src/decorationProvider.ts
+++ b/extensions/git/src/decorationProvider.ts
@@ -131,7 +131,7 @@ class GitDecorationProvider implements FileDecorationProvider {
 					bucket.set(r.rightUri.toString(), decoration);
 				}
 
-				if (r.type === Status.INDEX_RENAMED) {
+				if (r.type === Status.INDEX_RENAMED || r.type === Status.INTENT_TO_RENAME) {
 					bucket.set(r.resourceUri.toString(), decoration);
 				}
 			}
diff --git a/extensions/git/src/git.ts b/extensions/git/src/git.ts
index 1fe5a80dba4..8290560e3ce 100644
--- a/extensions/git/src/git.ts
+++ b/extensions/git/src/git.ts
@@ -15,7 +15,7 @@ import * as filetype from 'file-type';
 import { assign, groupBy, IDisposable, toDisposable, dispose, mkdirp, readBytes, detectUnicodeEncoding, Encoding, onceEvent, splitInChunks, Limiter, Versions, isWindows, pathEquals } from './util';
 import { CancellationError, CancellationToken, ConfigurationChangeEvent, LogOutputChannel, Progress, Uri, workspace } from 'vscode';
 import { detectEncoding } from './encoding';
-import { Ref, RefType, Branch, Remote, ForcePushMode, GitErrorCodes, LogOptions, Change, Status, CommitOptions, RefQuery } from './api/git';
+import { Ref, RefType, Branch, Remote, ForcePushMode, GitErrorCodes, LogOptions, Change, Status, CommitOptions, RefQuery, InitOptions } from './api/git';
 import * as byline from 'byline';
 import { StringDecoder } from 'string_decoder';
 
@@ -401,7 +401,7 @@ export class Git {
 		return new Repository(this, repository, dotGit, logger);
 	}
 
-	async init(repository: string, options: { defaultBranch?: string } = {}): Promise<void> {
+	async init(repository: string, options: InitOptions = {}): Promise<void> {
 		const args = ['init'];
 
 		if (options.defaultBranch && options.defaultBranch !== '') {
@@ -793,7 +793,7 @@ export class GitStatusParser {
 		// space
 		i++;
 
-		if (entry.x === 'R' || entry.x === 'C') {
+		if (entry.x === 'R' || entry.y === 'R' || entry.x === 'C') {
 			lastIndex = raw.indexOf('\0', i);
 
 			if (lastIndex === -1) {
diff --git a/extensions/git/src/remoteSource.ts b/extensions/git/src/remoteSource.ts
index 4f62181f00c..4fdd6f06c1d 100644
--- a/extensions/git/src/remoteSource.ts
+++ b/extensions/git/src/remoteSource.ts
@@ -11,3 +11,7 @@ export async function pickRemoteSource(options: PickRemoteSourceOptions & { bran
 export async function pickRemoteSource(options: PickRemoteSourceOptions = {}): Promise<string | PickRemoteSourceResult | undefined> {
 	return GitBaseApi.getAPI().pickRemoteSource(options);
 }
+
+export async function getRemoteSourceActions(url: string) {
+	return GitBaseApi.getAPI().getRemoteSourceActions(url);
+}
diff --git a/extensions/git/src/repository.ts b/extensions/git/src/repository.ts
index e7ed1cad955..09f0355f9e7 100644
--- a/extensions/git/src/repository.ts
+++ b/extensions/git/src/repository.ts
@@ -58,6 +58,7 @@ export class Resource implements SourceControlResourceState {
 			case Status.UNTRACKED: return l10n.t('Untracked');
 			case Status.IGNORED: return l10n.t('Ignored');
 			case Status.INTENT_TO_ADD: return l10n.t('Intent to Add');
+			case Status.INTENT_TO_RENAME: return l10n.t('Intent to Rename');
 			case Status.BOTH_DELETED: return l10n.t('Conflict: Both Deleted');
 			case Status.ADDED_BY_US: return l10n.t('Conflict: Added By Us');
 			case Status.DELETED_BY_THEM: return l10n.t('Conflict: Deleted By Them');
@@ -71,7 +72,7 @@ export class Resource implements SourceControlResourceState {
 
 	@memoize
 	get resourceUri(): Uri {
-		if (this.renameResourceUri && (this._type === Status.MODIFIED || this._type === Status.DELETED || this._type === Status.INDEX_RENAMED || this._type === Status.INDEX_COPIED)) {
+		if (this.renameResourceUri && (this._type === Status.MODIFIED || this._type === Status.DELETED || this._type === Status.INDEX_RENAMED || this._type === Status.INDEX_COPIED || this._type === Status.INTENT_TO_RENAME)) {
 			return this.renameResourceUri;
 		}
 
@@ -136,6 +137,7 @@ export class Resource implements SourceControlResourceState {
 			case Status.UNTRACKED: return Resource.Icons[theme].Untracked;
 			case Status.IGNORED: return Resource.Icons[theme].Ignored;
 			case Status.INTENT_TO_ADD: return Resource.Icons[theme].Added;
+			case Status.INTENT_TO_RENAME: return Resource.Icons[theme].Renamed;
 			case Status.BOTH_DELETED: return Resource.Icons[theme].Conflict;
 			case Status.ADDED_BY_US: return Resource.Icons[theme].Conflict;
 			case Status.DELETED_BY_THEM: return Resource.Icons[theme].Conflict;
@@ -193,6 +195,7 @@ export class Resource implements SourceControlResourceState {
 			case Status.DELETED:
 				return 'D';
 			case Status.INDEX_RENAMED:
+			case Status.INTENT_TO_RENAME:
 				return 'R';
 			case Status.UNTRACKED:
 				return 'U';
@@ -230,6 +233,7 @@ export class Resource implements SourceControlResourceState {
 				return new ThemeColor('gitDecoration.addedResourceForeground');
 			case Status.INDEX_COPIED:
 			case Status.INDEX_RENAMED:
+			case Status.INTENT_TO_RENAME:
 				return new ThemeColor('gitDecoration.renamedResourceForeground');
 			case Status.UNTRACKED:
 				return new ThemeColor('gitDecoration.untrackedResourceForeground');
@@ -520,6 +524,7 @@ class ResourceCommandResolver {
 			case Status.INDEX_MODIFIED:
 			case Status.INDEX_RENAMED:
 			case Status.INDEX_ADDED:
+			case Status.INTENT_TO_RENAME:
 				return toGitUri(resource.original, 'HEAD');
 
 			case Status.MODIFIED:
@@ -554,7 +559,8 @@ class ResourceCommandResolver {
 			case Status.MODIFIED:
 			case Status.UNTRACKED:
 			case Status.IGNORED:
-			case Status.INTENT_TO_ADD: {
+			case Status.INTENT_TO_ADD:
+			case Status.INTENT_TO_RENAME: {
 				const uriString = resource.resourceUri.toString();
 				const [indexStatus] = this.repository.indexGroup.resourceStates.filter(r => r.resourceUri.toString() === uriString);
 
@@ -599,6 +605,10 @@ class ResourceCommandResolver {
 			case Status.UNTRACKED:
 				return l10n.t('{0} (Untracked)', basename);
 
+			case Status.INTENT_TO_ADD:
+			case Status.INTENT_TO_RENAME:
+				return l10n.t('{0} (Intent to add)', basename);
+
 			default:
 				return '';
 		}
@@ -2177,6 +2187,7 @@ export class Repository implements Disposable {
 				case 'M': workingTreeGroup.push(new Resource(this.resourceCommandResolver, ResourceGroupType.WorkingTree, uri, Status.MODIFIED, useIcons, renameUri)); break;
 				case 'D': workingTreeGroup.push(new Resource(this.resourceCommandResolver, ResourceGroupType.WorkingTree, uri, Status.DELETED, useIcons, renameUri)); break;
 				case 'A': workingTreeGroup.push(new Resource(this.resourceCommandResolver, ResourceGroupType.WorkingTree, uri, Status.INTENT_TO_ADD, useIcons, renameUri)); break;
+				case 'R': workingTreeGroup.push(new Resource(this.resourceCommandResolver, ResourceGroupType.WorkingTree, uri, Status.INTENT_TO_RENAME, useIcons, renameUri)); break;
 			}
 
 			return undefined;
diff --git a/extensions/github/src/commands.ts b/extensions/github/src/commands.ts
index 8a653e523c4..11b1d3d649a 100644
--- a/extensions/github/src/commands.ts
+++ b/extensions/github/src/commands.ts
@@ -7,11 +7,7 @@ import * as vscode from 'vscode';
 import { API as GitAPI } from './typings/git';
 import { publishRepository } from './publish';
 import { DisposableStore } from './util';
-import { LinkContext, getLink } from './links';
-
-function getVscodeDevHost(): string {
-	return `https://${vscode.env.appName.toLowerCase().includes('insiders') ? 'insiders.' : ''}vscode.dev/github`;
-}
+import { LinkContext, getLink, getVscodeDevHost } from './links';
 
 async function copyVscodeDevLink(gitAPI: GitAPI, useSelection: boolean, context: LinkContext, includeRange = true) {
 	try {
diff --git a/extensions/github/src/links.ts b/extensions/github/src/links.ts
index 223da3712fe..97fb3218a2a 100644
--- a/extensions/github/src/links.ts
+++ b/extensions/github/src/links.ts
@@ -168,3 +168,17 @@ export function getLink(gitAPI: GitAPI, useSelection: boolean, hostPrefix?: stri
 	return `${hostPrefix}/${repo.owner}/${repo.repo}${blobSegment
 		}${fileSegments}`;
 }
+
+export function getBranchLink(url: string, branch: string, hostPrefix: string = 'https://github.com') {
+	const repo = getRepositoryFromUrl(url);
+	if (!repo) {
+		throw new Error('Invalid repository URL provided');
+	}
+
+	branch = encodeURIComponentExceptSlashes(branch);
+	return `${hostPrefix}/${repo.owner}/${repo.repo}/tree/${branch}`;
+}
+
+export function getVscodeDevHost(): string {
+	return `https://${vscode.env.appName.toLowerCase().includes('insiders') ? 'insiders.' : ''}vscode.dev/github`;
+}
diff --git a/extensions/github/src/publish.ts b/extensions/github/src/publish.ts
index 3f24b1061cc..dee8898d348 100644
--- a/extensions/github/src/publish.ts
+++ b/extensions/github/src/publish.ts
@@ -190,7 +190,7 @@ export async function publishRepository(gitAPI: GitAPI, repository?: Repository)
 			progress.report({ message: vscode.l10n.t('Creating first commit'), increment: 25 });
 
 			if (!repository) {
-				repository = await gitAPI.init(folder) || undefined;
+				repository = await gitAPI.init(folder, { defaultBranch: createdGithubRepository.default_branch }) || undefined;
 
 				if (!repository) {
 					return;
diff --git a/extensions/github/src/remoteSourceProvider.ts b/extensions/github/src/remoteSourceProvider.ts
index e8eeb851549..0d8b9340695 100644
--- a/extensions/github/src/remoteSourceProvider.ts
+++ b/extensions/github/src/remoteSourceProvider.ts
@@ -3,11 +3,12 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { workspace } from 'vscode';
-import { RemoteSourceProvider, RemoteSource } from './typings/git-base';
+import { Uri, env, l10n, workspace } from 'vscode';
+import { RemoteSourceProvider, RemoteSource, RemoteSourceAction } from './typings/git-base';
 import { getOctokit } from './auth';
 import { Octokit } from '@octokit/rest';
 import { getRepositoryFromQuery, getRepositoryFromUrl } from './util';
+import { getBranchLink, getVscodeDevHost } from './links';
 
 function asRemoteSource(raw: any): RemoteSource {
 	const protocol = workspace.getConfiguration('github').get<'https' | 'ssh'>('gitProtocol');
@@ -112,4 +113,27 @@ export class GithubRemoteSourceProvider implements RemoteSourceProvider {
 
 		return branches.sort((a, b) => a === defaultBranch ? -1 : b === defaultBranch ? 1 : 0);
 	}
+
+	async getRemoteSourceActions(url: string): Promise<RemoteSourceAction[]> {
+		const repository = getRepositoryFromUrl(url);
+		if (!repository) {
+			return [];
+		}
+
+		return [{
+			label: l10n.t('Open on GitHub'),
+			icon: 'github',
+			run(branch: string) {
+				const link = getBranchLink(url, branch);
+				env.openExternal(Uri.parse(link));
+			}
+		}, {
+			label: l10n.t('Checkout on vscode.dev'),
+			icon: 'globe',
+			run(branch: string) {
+				const link = getBranchLink(url, branch, getVscodeDevHost());
+				env.openExternal(Uri.parse(link));
+			}
+		}];
+	}
 }
diff --git a/extensions/github/src/typings/git-base.d.ts b/extensions/github/src/typings/git-base.d.ts
index 8510df6d043..53cac4d5c70 100644
--- a/extensions/github/src/typings/git-base.d.ts
+++ b/extensions/github/src/typings/git-base.d.ts
@@ -44,6 +44,15 @@ export interface PickRemoteSourceResult {
 	readonly branch?: string;
 }
 
+export interface RemoteSourceAction {
+	readonly label: string;
+	/**
+	 * Codicon name
+	 */
+	readonly icon: string;
+	run(branch: string): void;
+}
+
 export interface RemoteSource {
 	readonly name: string;
 	readonly description?: string;
@@ -70,6 +79,7 @@ export interface RemoteSourceProvider {
 	readonly supportsQuery?: boolean;
 
 	getBranches?(url: string): ProviderResult<string[]>;
+	getRemoteSourceActions?(url: string): ProviderResult<RemoteSourceAction[]>;
 	getRecentRemoteSources?(query?: string): ProviderResult<RecentRemoteSource[]>;
 	getRemoteSources(query?: string): ProviderResult<RemoteSource[]>;
 }
diff --git a/extensions/github/src/typings/git.d.ts b/extensions/github/src/typings/git.d.ts
index 83b00f324c0..4b4acd66879 100644
--- a/extensions/github/src/typings/git.d.ts
+++ b/extensions/github/src/typings/git.d.ts
@@ -78,6 +78,7 @@ export const enum Status {
 	UNTRACKED,
 	IGNORED,
 	INTENT_TO_ADD,
+	INTENT_TO_RENAME,
 
 	ADDED_BY_US,
 	ADDED_BY_THEM,
@@ -156,6 +157,10 @@ export interface FetchOptions {
 	depth?: number;
 }
 
+export interface InitOptions {
+	defaultBranch?: string;
+}
+
 export interface BranchQuery {
 	readonly remote?: boolean;
 	readonly pattern?: string;
@@ -301,7 +306,7 @@ export interface API {
 
 	toGitUri(uri: Uri, ref: string): Uri;
 	getRepository(uri: Uri): Repository | null;
-	init(root: Uri): Promise<Repository | null>;
+	init(root: Uri, options?: InitOptions): Promise<Repository | null>;
 	openRepository(root: Uri): Promise<Repository | null>
 
 	registerRemoteSourcePublisher(publisher: RemoteSourcePublisher): Disposable;
diff --git a/extensions/json/build/update-grammars.js b/extensions/json/build/update-grammars.js
index 3fb40c86623..ff00951e126 100644
--- a/extensions/json/build/update-grammars.js
+++ b/extensions/json/build/update-grammars.js
@@ -6,8 +6,8 @@
 
 var updateGrammar = require('vscode-grammar-updater');
 
-function adaptJSON(grammar, replacementScope) {
-	grammar.name = 'JSON with comments';
+function adaptJSON(grammar, name, replacementScope) {
+	grammar.name = name;
 	grammar.scopeName = `source${replacementScope}`;
 
 	var fixScopeNames = function (rule) {
@@ -33,9 +33,5 @@ function adaptJSON(grammar, replacementScope) {
 
 var tsGrammarRepo = 'microsoft/vscode-JSON.tmLanguage';
 updateGrammar.update(tsGrammarRepo, 'JSON.tmLanguage', './syntaxes/JSON.tmLanguage.json');
-updateGrammar.update(tsGrammarRepo, 'JSON.tmLanguage', './syntaxes/JSONC.tmLanguage.json', grammar => adaptJSON(grammar, '.json.comments'));
-
-
-
-
-
+updateGrammar.update(tsGrammarRepo, 'JSON.tmLanguage', './syntaxes/JSONC.tmLanguage.json', grammar => adaptJSON(grammar, 'JSON with Comments', '.json.comments'));
+updateGrammar.update(tsGrammarRepo, 'JSON.tmLanguage', './syntaxes/JSONL.tmLanguage.json', grammar => adaptJSON(grammar, 'JSON Lines', '.json.lines'));
diff --git a/extensions/json/package.json b/extensions/json/package.json
index ba3b94b8c78..606e989c4d6 100644
--- a/extensions/json/package.json
+++ b/extensions/json/package.json
@@ -31,7 +31,7 @@
           ".jslintrc",
           ".jsonld",
           ".geojson",
-		  ".ipynb"
+          ".ipynb"
         ],
         "filenames": [
           "composer.lock",
@@ -65,6 +65,17 @@
           "typedoc.json"
         ],
         "configuration": "./language-configuration.json"
+      },
+      {
+        "id": "jsonl",
+        "aliases": [
+          "JSON Lines"
+        ],
+        "extensions": [
+          ".jsonl"
+        ],
+        "filenames": [],
+        "configuration": "./language-configuration.json"
       }
     ],
     "grammars": [
@@ -77,6 +88,11 @@
         "language": "jsonc",
         "scopeName": "source.json.comments",
         "path": "./syntaxes/JSONC.tmLanguage.json"
+      },
+      {
+        "language": "jsonl",
+        "scopeName": "source.json.lines",
+        "path": "./syntaxes/JSONL.tmLanguage.json"
       }
     ]
   },
diff --git a/extensions/json/syntaxes/JSONC.tmLanguage.json b/extensions/json/syntaxes/JSONC.tmLanguage.json
index 31828ba65bb..ae5430630f6 100644
--- a/extensions/json/syntaxes/JSONC.tmLanguage.json
+++ b/extensions/json/syntaxes/JSONC.tmLanguage.json
@@ -5,7 +5,7 @@
 		"Once accepted there, we are happy to receive an update request."
 	],
 	"version": "https://github.com/microsoft/vscode-JSON.tmLanguage/commit/9bd83f1c252b375e957203f21793316203f61f70",
-	"name": "JSON with comments",
+	"name": "JSON with Comments",
 	"scopeName": "source.json.comments",
 	"patterns": [
 		{
diff --git a/extensions/json/syntaxes/JSONL.tmLanguage.json b/extensions/json/syntaxes/JSONL.tmLanguage.json
new file mode 100644
index 00000000000..26de8d856f8
--- /dev/null
+++ b/extensions/json/syntaxes/JSONL.tmLanguage.json
@@ -0,0 +1,213 @@
+{
+	"information_for_contributors": [
+		"This file has been converted from https://github.com/microsoft/vscode-JSON.tmLanguage/blob/master/JSON.tmLanguage",
+		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
+		"Once accepted there, we are happy to receive an update request."
+	],
+	"version": "https://github.com/microsoft/vscode-JSON.tmLanguage/commit/9bd83f1c252b375e957203f21793316203f61f70",
+	"name": "JSON Lines",
+	"scopeName": "source.json.lines",
+	"patterns": [
+		{
+			"include": "#value"
+		}
+	],
+	"repository": {
+		"array": {
+			"begin": "\\[",
+			"beginCaptures": {
+				"0": {
+					"name": "punctuation.definition.array.begin.json.lines"
+				}
+			},
+			"end": "\\]",
+			"endCaptures": {
+				"0": {
+					"name": "punctuation.definition.array.end.json.lines"
+				}
+			},
+			"name": "meta.structure.array.json.lines",
+			"patterns": [
+				{
+					"include": "#value"
+				},
+				{
+					"match": ",",
+					"name": "punctuation.separator.array.json.lines"
+				},
+				{
+					"match": "[^\\s\\]]",
+					"name": "invalid.illegal.expected-array-separator.json.lines"
+				}
+			]
+		},
+		"comments": {
+			"patterns": [
+				{
+					"begin": "/\\*\\*(?!/)",
+					"captures": {
+						"0": {
+							"name": "punctuation.definition.comment.json.lines"
+						}
+					},
+					"end": "\\*/",
+					"name": "comment.block.documentation.json.lines"
+				},
+				{
+					"begin": "/\\*",
+					"captures": {
+						"0": {
+							"name": "punctuation.definition.comment.json.lines"
+						}
+					},
+					"end": "\\*/",
+					"name": "comment.block.json.lines"
+				},
+				{
+					"captures": {
+						"1": {
+							"name": "punctuation.definition.comment.json.lines"
+						}
+					},
+					"match": "(//).*$\\n?",
+					"name": "comment.line.double-slash.js"
+				}
+			]
+		},
+		"constant": {
+			"match": "\\b(?:true|false|null)\\b",
+			"name": "constant.language.json.lines"
+		},
+		"number": {
+			"match": "(?x)        # turn on extended mode\n  -?        # an optional minus\n  (?:\n    0       # a zero\n    |       # ...or...\n    [1-9]   # a 1-9 character\n    \\d*     # followed by zero or more digits\n  )\n  (?:\n    (?:\n      \\.    # a period\n      \\d+   # followed by one or more digits\n    )?\n    (?:\n      [eE]  # an e character\n      [+-]? # followed by an option +/-\n      \\d+   # followed by one or more digits\n    )?      # make exponent optional\n  )?        # make decimal portion optional",
+			"name": "constant.numeric.json.lines"
+		},
+		"object": {
+			"begin": "\\{",
+			"beginCaptures": {
+				"0": {
+					"name": "punctuation.definition.dictionary.begin.json.lines"
+				}
+			},
+			"end": "\\}",
+			"endCaptures": {
+				"0": {
+					"name": "punctuation.definition.dictionary.end.json.lines"
+				}
+			},
+			"name": "meta.structure.dictionary.json.lines",
+			"patterns": [
+				{
+					"comment": "the JSON object key",
+					"include": "#objectkey"
+				},
+				{
+					"include": "#comments"
+				},
+				{
+					"begin": ":",
+					"beginCaptures": {
+						"0": {
+							"name": "punctuation.separator.dictionary.key-value.json.lines"
+						}
+					},
+					"end": "(,)|(?=\\})",
+					"endCaptures": {
+						"1": {
+							"name": "punctuation.separator.dictionary.pair.json.lines"
+						}
+					},
+					"name": "meta.structure.dictionary.value.json.lines",
+					"patterns": [
+						{
+							"comment": "the JSON object value",
+							"include": "#value"
+						},
+						{
+							"match": "[^\\s,]",
+							"name": "invalid.illegal.expected-dictionary-separator.json.lines"
+						}
+					]
+				},
+				{
+					"match": "[^\\s\\}]",
+					"name": "invalid.illegal.expected-dictionary-separator.json.lines"
+				}
+			]
+		},
+		"string": {
+			"begin": "\"",
+			"beginCaptures": {
+				"0": {
+					"name": "punctuation.definition.string.begin.json.lines"
+				}
+			},
+			"end": "\"",
+			"endCaptures": {
+				"0": {
+					"name": "punctuation.definition.string.end.json.lines"
+				}
+			},
+			"name": "string.quoted.double.json.lines",
+			"patterns": [
+				{
+					"include": "#stringcontent"
+				}
+			]
+		},
+		"objectkey": {
+			"begin": "\"",
+			"beginCaptures": {
+				"0": {
+					"name": "punctuation.support.type.property-name.begin.json.lines"
+				}
+			},
+			"end": "\"",
+			"endCaptures": {
+				"0": {
+					"name": "punctuation.support.type.property-name.end.json.lines"
+				}
+			},
+			"name": "string.json.lines support.type.property-name.json.lines",
+			"patterns": [
+				{
+					"include": "#stringcontent"
+				}
+			]
+		},
+		"stringcontent": {
+			"patterns": [
+				{
+					"match": "(?x)                # turn on extended mode\n  \\\\                # a literal backslash\n  (?:               # ...followed by...\n    [\"\\\\/bfnrt]     # one of these characters\n    |               # ...or...\n    u               # a u\n    [0-9a-fA-F]{4}) # and four hex digits",
+					"name": "constant.character.escape.json.lines"
+				},
+				{
+					"match": "\\\\.",
+					"name": "invalid.illegal.unrecognized-string-escape.json.lines"
+				}
+			]
+		},
+		"value": {
+			"patterns": [
+				{
+					"include": "#constant"
+				},
+				{
+					"include": "#number"
+				},
+				{
+					"include": "#string"
+				},
+				{
+					"include": "#array"
+				},
+				{
+					"include": "#object"
+				},
+				{
+					"include": "#comments"
+				}
+			]
+		}
+	}
+}
\ No newline at end of file
diff --git a/extensions/markdown-language-features/server/package.json b/extensions/markdown-language-features/server/package.json
index 6a101879701..55fc5fdd847 100644
--- a/extensions/markdown-language-features/server/package.json
+++ b/extensions/markdown-language-features/server/package.json
@@ -1,7 +1,7 @@
 {
   "name": "vscode-markdown-languageserver",
   "description": "Markdown language server",
-  "version": "0.4.0-alpha.1",
+  "version": "0.4.0-alpha.2",
   "author": "Microsoft Corporation",
   "license": "MIT",
   "engines": {
@@ -18,7 +18,7 @@
     "vscode-languageserver": "^8.1.0",
     "vscode-languageserver-textdocument": "^1.0.8",
     "vscode-languageserver-types": "^3.17.3",
-    "vscode-markdown-languageservice": "^0.4.0-alpha.1",
+    "vscode-markdown-languageservice": "^0.4.0-alpha.2",
     "vscode-uri": "^3.0.7"
   },
   "devDependencies": {
diff --git a/extensions/markdown-language-features/server/yarn.lock b/extensions/markdown-language-features/server/yarn.lock
index 1a47c2a1746..b801eb22ebc 100644
--- a/extensions/markdown-language-features/server/yarn.lock
+++ b/extensions/markdown-language-features/server/yarn.lock
@@ -128,10 +128,10 @@ vscode-languageserver@^8.1.0:
   dependencies:
     vscode-languageserver-protocol "3.17.3"
 
-vscode-markdown-languageservice@^0.4.0-alpha.1:
-  version "0.4.0-alpha.1"
-  resolved "https://registry.yarnpkg.com/vscode-markdown-languageservice/-/vscode-markdown-languageservice-0.4.0-alpha.1.tgz#367582d711a95001adb1cfae2eb8c9852cc51319"
-  integrity sha512-MqNHwKaO5UliiJ2lNSt8FRj/68max/7/N4JwD0mLkx/NAWLXYLluBbE1CQh/Fgycpcueldk0cckKYj/qNWDtVA==
+vscode-markdown-languageservice@^0.4.0-alpha.2:
+  version "0.4.0-alpha.2"
+  resolved "https://registry.yarnpkg.com/vscode-markdown-languageservice/-/vscode-markdown-languageservice-0.4.0-alpha.2.tgz#2edbd157ada35922ec762a7d6550d87a0b78959a"
+  integrity sha512-m2x+3dezndpDqfviCzsfUgAySVhoN8266OnasPpPlIZIho3a/JcUmFo6GZDlWBtOQXd9FT+TSAC2BPDCtWlhPQ==
   dependencies:
     "@vscode/l10n" "^0.0.10"
     node-html-parser "^6.1.5"
diff --git a/extensions/markdown-language-features/src/languageFeatures/copyFiles/shared.ts b/extensions/markdown-language-features/src/languageFeatures/copyFiles/shared.ts
index 3892941b7ce..c0ecbe9a850 100644
--- a/extensions/markdown-language-features/src/languageFeatures/copyFiles/shared.ts
+++ b/extensions/markdown-language-features/src/languageFeatures/copyFiles/shared.ts
@@ -14,6 +14,7 @@ import { getDocumentDir } from '../../util/document';
 enum MediaKind {
 	Image,
 	Video,
+	Audio,
 }
 
 export const mediaFileExtensions = new Map<string, MediaKind>([
@@ -35,6 +36,11 @@ export const mediaFileExtensions = new Map<string, MediaKind>([
 	// Videos
 	['ogg', MediaKind.Video],
 	['mp4', MediaKind.Video],
+
+	// Audio Files
+	['mp3', MediaKind.Audio],
+	['aac', MediaKind.Audio],
+	['wav', MediaKind.Audio],
 ]);
 
 export const mediaMimes = new Set([
@@ -45,6 +51,9 @@ export const mediaMimes = new Set([
 	'image/webp',
 	'video/mp4',
 	'video/ogg',
+	'audio/mpeg',
+	'audio/aac',
+	'audio/x-wav',
 ]);
 
 
@@ -97,6 +106,7 @@ export function createUriListSnippet(
 
 	let insertedLinkCount = 0;
 	let insertedImageCount = 0;
+	let insertedAudioVideoCount = 0;
 
 	uris.forEach((uri, i) => {
 		const mdPath = getMdPath(dir, uri);
@@ -104,12 +114,18 @@ export function createUriListSnippet(
 		const ext = URI.Utils.extname(uri).toLowerCase().replace('.', '');
 		const insertAsMedia = typeof options?.insertAsMedia === 'undefined' ? mediaFileExtensions.has(ext) : !!options.insertAsMedia;
 		const insertAsVideo = mediaFileExtensions.get(ext) === MediaKind.Video;
+		const insertAsAudio = mediaFileExtensions.get(ext) === MediaKind.Audio;
 
 		if (insertAsVideo) {
-			insertedImageCount++;
+			insertedAudioVideoCount++;
 			snippet.appendText(`<video src="${mdPath}" controls title="`);
 			snippet.appendPlaceholder('Title');
 			snippet.appendText('"></video>');
+		} else if (insertAsAudio) {
+			insertedAudioVideoCount++;
+			snippet.appendText(`<audio src="${mdPath}" controls title="`);
+			snippet.appendPlaceholder('Title');
+			snippet.appendText('"></audio>');
 		} else {
 			if (insertAsMedia) {
 				insertedImageCount++;
@@ -132,7 +148,13 @@ export function createUriListSnippet(
 	});
 
 	let label: string;
-	if (insertedImageCount > 0 && insertedLinkCount > 0) {
+	if (insertedAudioVideoCount > 0) {
+		if (insertedLinkCount > 0) {
+			label = vscode.l10n.t('Insert Markdown Media and Links');
+		} else {
+			label = vscode.l10n.t('Insert Markdown Media');
+		}
+	} else if (insertedImageCount > 0 && insertedLinkCount > 0) {
 		label = vscode.l10n.t('Insert Markdown Images and Links');
 	} else if (insertedImageCount > 0) {
 		label = insertedImageCount > 1
diff --git a/extensions/notebook-renderers/src/index.ts b/extensions/notebook-renderers/src/index.ts
index 10fd6c99eb2..0f095e20a2b 100644
--- a/extensions/notebook-renderers/src/index.ts
+++ b/extensions/notebook-renderers/src/index.ts
@@ -265,6 +265,11 @@ function scrollingEnabled(output: OutputItem, options: RenderOptions) {
 		metadata.scrollable : options.outputScrolling;
 }
 
+//  div.cell_container
+//    div.output_container
+//      div.output.output-stream		<-- outputElement parameter
+//        div.scrollable? tabindex="0" 	<-- contentParent
+//          div output-item-id="{guid}"	<-- content from outputItem parameter
 function renderStream(outputInfo: OutputItem, outputElement: HTMLElement, error: boolean, ctx: IRichRenderContext): IDisposable {
 	const disposableStore = createDisposableStore();
 	const outputScrolling = scrollingEnabled(outputInfo, ctx.settings);
@@ -272,39 +277,50 @@ function renderStream(outputInfo: OutputItem, outputElement: HTMLElement, error:
 	outputElement.classList.add('output-stream');
 
 	const text = outputInfo.text();
-	const content = createOutputContent(outputInfo.id, [text], ctx.settings.lineLimit, outputScrolling, false);
-	content.setAttribute('output-item-id', outputInfo.id);
+	const newContent = createOutputContent(outputInfo.id, [text], ctx.settings.lineLimit, outputScrolling, false);
+	newContent.setAttribute('output-item-id', outputInfo.id);
 	if (error) {
-		content.classList.add('error');
+		newContent.classList.add('error');
 	}
 
 	const scrollTop = outputScrolling ? findScrolledHeight(outputElement) : undefined;
 
+	const existingContent = outputElement.querySelector(`[output-item-id="${outputInfo.id}"]`) as HTMLElement | null;
+	const previousOutputParent = getPreviousMatchingContentGroup(outputElement);
+
 	// If the previous output item for the same cell was also a stream, append this output to the previous
-	const existingContentParent = getPreviousMatchingContentGroup(outputElement);
-	if (existingContentParent) {
-		const existing = existingContentParent.querySelector(`[output-item-id="${outputInfo.id}"]`) as HTMLElement | null;
-		if (existing) {
-			existing.replaceWith(content);
+	if (previousOutputParent) {
+		if (existingContent) {
+			existingContent.replaceWith(newContent);
+
 		} else {
-			existingContentParent.appendChild(content);
+			previousOutputParent.appendChild(newContent);
 		}
-		existingContentParent.classList.toggle('scrollbar-visible', existingContentParent.scrollHeight > existingContentParent.clientHeight);
-		existingContentParent.scrollTop = scrollTop !== undefined ? scrollTop : existingContentParent.scrollHeight;
+		previousOutputParent.classList.toggle('scrollbar-visible', previousOutputParent.scrollHeight > previousOutputParent.clientHeight);
+		previousOutputParent.scrollTop = scrollTop !== undefined ? scrollTop : previousOutputParent.scrollHeight;
 	} else {
-		const contentParent = document.createElement('div');
-		contentParent.appendChild(content);
+		let contentParent = existingContent?.parentElement;
+		if (existingContent && contentParent) {
+			existingContent.replaceWith(newContent);
+			while (newContent.nextSibling) {
+				// clear out any stale content if we had previously combined streaming outputs into this one
+				newContent.nextSibling.remove();
+			}
+		} else {
+			contentParent = document.createElement('div');
+			contentParent.appendChild(newContent);
+			while (outputElement.firstChild) {
+				outputElement.removeChild(outputElement.firstChild);
+			}
+			outputElement.appendChild(contentParent);
+		}
+
 		contentParent.classList.toggle('scrollable', outputScrolling);
 		contentParent.classList.toggle('word-wrap', ctx.settings.outputWordWrap);
 		disposableStore.push(ctx.onDidChangeSettings(e => {
-			contentParent.classList.toggle('word-wrap', e.outputWordWrap);
+			contentParent!.classList.toggle('word-wrap', e.outputWordWrap);
 		}));
 
-
-		while (outputElement.firstChild) {
-			outputElement.removeChild(outputElement.firstChild);
-		}
-		outputElement.appendChild(contentParent);
 		initializeScroll(contentParent, disposableStore, scrollTop);
 	}
 
diff --git a/extensions/notebook-renderers/src/test/notebookRenderer.test.ts b/extensions/notebook-renderers/src/test/notebookRenderer.test.ts
index 3ce2c4019e8..340fff17c8a 100644
--- a/extensions/notebook-renderers/src/test/notebookRenderer.test.ts
+++ b/extensions/notebook-renderers/src/test/notebookRenderer.test.ts
@@ -6,7 +6,7 @@
 import * as assert from 'assert';
 import { activate } from '..';
 import { OutputItem, RendererApi } from 'vscode-notebook-renderer';
-import { IRichRenderContext, RenderOptions } from '../rendererTypes';
+import { IDisposable, IRichRenderContext, RenderOptions } from '../rendererTypes';
 import { JSDOM } from "jsdom";
 
 const dom = new JSDOM();
@@ -37,7 +37,15 @@ suite('Notebook builtin output renderer', () => {
 
 	type optionalRenderOptions = { [k in keyof RenderOptions]?: RenderOptions[k] };
 
+	type handler = (e: RenderOptions) => any;
+
+	const settingsChangedHandlers: handler[] = [];
+	function fireSettingsChange(options: optionalRenderOptions) {
+		settingsChangedHandlers.forEach((handler) => handler(options as RenderOptions));
+	}
+
 	function createContext(settings?: optionalRenderOptions): IRichRenderContext {
+		settingsChangedHandlers.length = 0;
 		return {
 			setState(_value: void) { },
 			getState() { return undefined; },
@@ -48,9 +56,16 @@ suite('Notebook builtin output renderer', () => {
 				lineLimit: 30,
 				...settings
 			} as RenderOptions,
-			onDidChangeSettings<T>(_listener: (e: T) => any, _thisArgs?: any, _disposables?: any) {
+			onDidChangeSettings(listener: handler, _thisArgs?: any, disposables?: IDisposable[]) {
+				settingsChangedHandlers.push(listener);
+
+				const dispose = () => {
+					settingsChangedHandlers.splice(settingsChangedHandlers.indexOf(listener), 1);
+				};
+
+				disposables?.push({ dispose });
 				return {
-					dispose(): void { }
+					dispose
 				};
 			},
 			workspace: {
@@ -146,7 +161,7 @@ suite('Notebook builtin output renderer', () => {
 
 			const inserted = outputElement.firstChild as HTMLElement;
 			assert.ok(inserted, `nothing appended to output element: ${outputElement.innerHTML}`);
-			assert.ok(!outputElement.classList.contains('remove-padding'), `Padding should not be removed for non-scrollable outputs: ${outputElement.classList}`);
+			assert.ok(outputElement.classList.contains('remove-padding'), `Padding should be removed for non-scrollable outputs: ${outputElement.classList}`);
 			assert.ok(!inserted.classList.contains('word-wrap') && !inserted.classList.contains('scrollable'),
 				`output content classList should not contain word-wrap and scrollable ${inserted.classList}`);
 			assert.ok(inserted.innerHTML.indexOf('>content</') > -1, `Content was not added to output element: ${outputElement.innerHTML}`);
@@ -225,5 +240,58 @@ suite('Notebook builtin output renderer', () => {
 		assert.ok(inserted.innerHTML.indexOf('>second stream content</') > -1, `Content was not added to output element: ${outputElement.innerHTML}`);
 		assert.ok(inserted.innerHTML.indexOf('>third stream content</') > -1, `Content was not added to output element: ${outputElement.innerHTML}`);
 	});
+
+	test(`Multiple adjacent streaming outputs, rerendering the first should erase the rest`, async () => {
+		const context = createContext();
+		const renderer = await activate(context);
+		assert.ok(renderer, 'Renderer not created');
+
+		const outputHtml = new OutputHtml();
+		const outputElement = outputHtml.getFirstOuputElement();
+		const outputItem1 = createOutputItem('first stream content', stdoutMimeType, '1');
+		const outputItem2 = createOutputItem('second stream content', stdoutMimeType, '2');
+		const outputItem3 = createOutputItem('third stream content', stderrMimeType, '3');
+		await renderer!.renderOutputItem(outputItem1, outputElement);
+		await renderer!.renderOutputItem(outputItem2, outputHtml.appendOutputElement());
+		await renderer!.renderOutputItem(outputItem3, outputHtml.appendOutputElement());
+		const newOutputItem1 = createOutputItem('replaced content', stderrMimeType, '1');
+		await renderer!.renderOutputItem(newOutputItem1, outputElement);
+
+
+		const inserted = outputElement.firstChild as HTMLElement;
+		assert.ok(inserted, `nothing appended to output element: ${outputElement.innerHTML}`);
+		assert.ok(inserted.innerHTML.indexOf('>replaced content</') > -1, `Content was not added to output element: ${outputElement.innerHTML}`);
+		assert.ok(inserted.innerHTML.indexOf('>first stream content</') === -1, `Content was not cleared: ${outputElement.innerHTML}`);
+		assert.ok(inserted.innerHTML.indexOf('>second stream content</') === -1, `Content was not cleared: ${outputElement.innerHTML}`);
+		assert.ok(inserted.innerHTML.indexOf('>third stream content</') === -1, `Content was not cleared: ${outputElement.innerHTML}`);
+	});
+
+	test(`Rendered output will wrap on settings change event`, async () => {
+		const context = createContext({ outputWordWrap: false, outputScrolling: true });
+		const renderer = await activate(context);
+		assert.ok(renderer, 'Renderer not created');
+
+		const outputElement = new OutputHtml().getFirstOuputElement();
+		const outputItem = createOutputItem('content', stdoutMimeType);
+		await renderer!.renderOutputItem(outputItem, outputElement);
+		fireSettingsChange({ outputWordWrap: true, outputScrolling: true });
+
+		const inserted = outputElement.firstChild as HTMLElement;
+		assert.ok(inserted.classList.contains('word-wrap') && inserted.classList.contains('scrollable'),
+			`output content classList should contain word-wrap and scrollable ${inserted.classList}`);
+	});
+
+	test(`Settings event change listeners should not grow if output is re-rendered`, async () => {
+		const context = createContext({ outputWordWrap: false });
+		const renderer = await activate(context);
+		assert.ok(renderer, 'Renderer not created');
+
+		const outputElement = new OutputHtml().getFirstOuputElement();
+		await renderer!.renderOutputItem(createOutputItem('content', stdoutMimeType), outputElement);
+		const handlerCount = settingsChangedHandlers.length;
+		await renderer!.renderOutputItem(createOutputItem('content', stdoutMimeType), outputElement);
+
+		assert.equal(settingsChangedHandlers.length, handlerCount);
+	});
 });
 
diff --git a/extensions/theme-seti/build/update-icon-theme.js b/extensions/theme-seti/build/update-icon-theme.js
index ab2a1c81e81..366e7f37dd6 100644
--- a/extensions/theme-seti/build/update-icon-theme.js
+++ b/extensions/theme-seti/build/update-icon-theme.js
@@ -44,6 +44,7 @@ const nonBuiltInLanguages = { // { fileNames, extensions  }
 // list of languagesId that inherit the icon from another language
 const inheritIconFromLanguage = {
 	"jsonc": 'json',
+	"jsonl": 'json',
 	"postcss": 'css',
 	"django-html": 'html',
 	"blade": 'php'
diff --git a/extensions/theme-seti/icons/vs-seti-icon-theme.json b/extensions/theme-seti/icons/vs-seti-icon-theme.json
index f5b78299680..184cded8cad 100644
--- a/extensions/theme-seti/icons/vs-seti-icon-theme.json
+++ b/extensions/theme-seti/icons/vs-seti-icon-theme.json
@@ -1943,6 +1943,7 @@
 		"todo": "_todo",
 		"vala": "_vala",
 		"vue": "_vue",
+		"jsonl": "_json",
 		"postcss": "_css",
 		"django-html": "_html_3",
 		"blade": "_php"
@@ -2257,6 +2258,7 @@
 			"terraform": "_terraform_light",
 			"vala": "_vala_light",
 			"vue": "_vue_light",
+			"jsonl": "_json_light",
 			"postcss": "_css_light",
 			"django-html": "_html_3_light",
 			"blade": "_php_light"
diff --git a/extensions/typescript-language-features/package.json b/extensions/typescript-language-features/package.json
index 0393fbb0ea4..26fd5e64d96 100644
--- a/extensions/typescript-language-features/package.json
+++ b/extensions/typescript-language-features/package.json
@@ -143,6 +143,12 @@
       "title": "%configuration.typescript%",
       "order": 20,
       "properties": {
+        "typescript.experimental.aiQuickFix": {
+          "type": "boolean",
+          "default": false,
+          "description": "%typescript.experimental.aiQuickFix%",
+          "scope": "resource"
+        },
         "typescript.tsdk": {
           "type": "string",
           "markdownDescription": "%typescript.tsdk.desc%",
diff --git a/extensions/typescript-language-features/package.nls.json b/extensions/typescript-language-features/package.nls.json
index 2d5aa3e7eb7..c46952747fd 100644
--- a/extensions/typescript-language-features/package.nls.json
+++ b/extensions/typescript-language-features/package.nls.json
@@ -8,6 +8,7 @@
 	"configuration.suggest.completeFunctionCalls": "Complete functions with their parameter signature.",
 	"configuration.suggest.includeAutomaticOptionalChainCompletions": "Enable/disable showing completions on potentially undefined values that insert an optional chain call. Requires strict null checks to be enabled.",
 	"configuration.suggest.includeCompletionsForImportStatements": "Enable/disable auto-import-style completions on partially-typed import statements.",
+	"typescript.experimental.aiQuickFix": "Enable/disable AI-assisted quick fixes.",
 	"typescript.tsdk.desc": "Specifies the folder path to the tsserver and `lib*.d.ts` files under a TypeScript install to use for IntelliSense, for example: `./node_modules/typescript/lib`.\n\n- When specified as a user setting, the TypeScript version from `typescript.tsdk` automatically replaces the built-in TypeScript version.\n- When specified as a workspace setting, `typescript.tsdk` allows you to switch to use that workspace version of TypeScript for IntelliSense with the `TypeScript: Select TypeScript version` command.\n\nSee the [TypeScript documentation](https://code.visualstudio.com/docs/typescript/typescript-compiling#_using-newer-typescript-versions) for more detail about managing TypeScript versions.",
 	"typescript.disableAutomaticTypeAcquisition": "Disables [automatic type acquisition](https://code.visualstudio.com/docs/nodejs/working-with-javascript#_typings-and-automatic-type-acquisition). Automatic type acquisition fetches `@types` packages from npm to improve IntelliSense for external libraries.",
 	"typescript.enablePromptUseWorkspaceTsdk": "Enables prompting of users to use the TypeScript version configured in the workspace for Intellisense.",
diff --git a/extensions/typescript-language-features/src/languageFeatures/completions.ts b/extensions/typescript-language-features/src/languageFeatures/completions.ts
index fcc5dc64c6f..8b5100f876e 100644
--- a/extensions/typescript-language-features/src/languageFeatures/completions.ts
+++ b/extensions/typescript-language-features/src/languageFeatures/completions.ts
@@ -93,7 +93,6 @@ class MyCompletionItem extends vscode.CompletionItem {
 		this.range = this.getRangeFromReplacementSpan(tsEntry, completionContext);
 		this.commitCharacters = MyCompletionItem.getCommitCharacters(completionContext, tsEntry);
 		this.insertText = isSnippet && tsEntry.insertText ? new vscode.SnippetString(tsEntry.insertText) : tsEntry.insertText;
-		// @ts-expect-error until 5.2
 		this.filterText = tsEntry.filterText || this.getFilterText(completionContext.line, tsEntry.insertText);
 
 		if (completionContext.isMemberCompletion && completionContext.dotAccessorContext && !(this.insertText instanceof vscode.SnippetString)) {
diff --git a/extensions/typescript-language-features/src/languageFeatures/quickFix.ts b/extensions/typescript-language-features/src/languageFeatures/quickFix.ts
index 515402f6e1e..a6553902cbe 100644
--- a/extensions/typescript-language-features/src/languageFeatures/quickFix.ts
+++ b/extensions/typescript-language-features/src/languageFeatures/quickFix.ts
@@ -20,11 +20,49 @@ import { applyCodeActionCommands, getEditForCodeAction } from './util/codeAction
 import { conditionalRegistration, requireSomeCapability } from './util/dependentRegistration';
 
 type ApplyCodeActionCommand_args = {
-	readonly resource: vscode.Uri;
+	readonly document: vscode.TextDocument;
 	readonly diagnostic: vscode.Diagnostic;
 	readonly action: Proto.CodeFixAction;
+	readonly followupAction?: Command;
 };
 
+class EditorChatFollowUp implements Command {
+
+	id: string = 'needsBetterName.editorChateFollowUp';
+
+	constructor(private readonly prompt: string, private readonly document: vscode.TextDocument, private readonly range: vscode.Range, private readonly client: ITypeScriptServiceClient) {
+
+	}
+
+	async execute() {
+		const findScopeEndLineFromNavTree = (startLine: number, navigationTree: Proto.NavigationTree[]): vscode.Range | undefined => {
+			for (const node of navigationTree) {
+				const range = typeConverters.Range.fromTextSpan(node.spans[0]);
+				if (startLine === range.start.line) {
+					return range;
+				} else if (startLine > range.start.line && startLine <= range.end.line && node.childItems) {
+					return findScopeEndLineFromNavTree(startLine, node.childItems);
+				}
+			}
+			return undefined;
+		};
+		const filepath = this.client.toOpenTsFilePath(this.document);
+		if (!filepath) {
+			return;
+		}
+		const response = await this.client.execute('navtree', { file: filepath }, (new vscode.CancellationTokenSource()).token);
+		if (response.type !== 'response' || !response.body?.childItems) {
+			return;
+		}
+		const startLine = this.range.start.line;
+		const enclosingRange = findScopeEndLineFromNavTree(startLine, response.body.childItems);
+		if (!enclosingRange) {
+			return;
+		}
+		await vscode.commands.executeCommand('vscode.editorChat.start', { initialRange: enclosingRange, message: this.prompt, autoSend: true });
+	}
+}
+
 class ApplyCodeActionCommand implements Command {
 	public static readonly ID = '_typescript.applyCodeActionCommand';
 	public readonly id = ApplyCodeActionCommand.ID;
@@ -35,7 +73,7 @@ class ApplyCodeActionCommand implements Command {
 		private readonly telemetryReporter: TelemetryReporter,
 	) { }
 
-	public async execute({ resource, action, diagnostic }: ApplyCodeActionCommand_args): Promise<boolean> {
+	public async execute({ document, action, diagnostic, followupAction }: ApplyCodeActionCommand_args): Promise<boolean> {
 		/* __GDPR__
 			"quickFix.execute" : {
 				"owner": "mjbvz",
@@ -49,8 +87,10 @@ class ApplyCodeActionCommand implements Command {
 			fixName: action.fixName
 		});
 
-		this.diagnosticManager.deleteDiagnostic(resource, diagnostic);
-		return applyCodeActionCommands(this.client, action.commands, nulToken);
+		this.diagnosticManager.deleteDiagnostic(document.uri, diagnostic);
+		const codeActionResult = await applyCodeActionCommands(this.client, action.commands, nulToken);
+		await followupAction?.execute();
+		return codeActionResult;
 	}
 }
 
@@ -313,22 +353,27 @@ class TypeScriptQuickFixProvider implements vscode.CodeActionProvider<VsCodeCode
 		diagnostic: vscode.Diagnostic,
 		tsAction: Proto.CodeFixAction
 	): CodeActionSet {
-		results.addAction(this.getSingleFixForTsCodeAction(document.uri, diagnostic, tsAction));
+		results.addAction(this.getSingleFixForTsCodeAction(document, diagnostic, tsAction));
 		this.addFixAllForTsCodeAction(results, document.uri, file, diagnostic, tsAction as Proto.CodeFixAction);
 		return results;
 	}
 
 	private getSingleFixForTsCodeAction(
-		resource: vscode.Uri,
+		document: vscode.TextDocument,
 		diagnostic: vscode.Diagnostic,
 		tsAction: Proto.CodeFixAction
 	): VsCodeCodeAction {
+		const aiQuickFixEnabled = vscode.workspace.getConfiguration('typescript').get('experimental.aiQuickFix');
+		let followupAction: Command | undefined;
+		if (aiQuickFixEnabled && tsAction.fixName === fixNames.classIncorrectlyImplementsInterface) {
+			followupAction = new EditorChatFollowUp('Implement the class using the interface', document, diagnostic.range, this.client);
+		}
 		const codeAction = new VsCodeCodeAction(tsAction, tsAction.description, vscode.CodeActionKind.QuickFix);
 		codeAction.edit = getEditForCodeAction(this.client, tsAction);
 		codeAction.diagnostics = [diagnostic];
 		codeAction.command = {
 			command: ApplyCodeActionCommand.ID,
-			arguments: [<ApplyCodeActionCommand_args>{ action: tsAction, diagnostic, resource }],
+			arguments: [<ApplyCodeActionCommand_args>{ action: tsAction, diagnostic, document, followupAction }],
 			title: ''
 		};
 		return codeAction;
diff --git a/extensions/vscode-api-tests/package.json b/extensions/vscode-api-tests/package.json
index 63a3e7bf194..c0766007ad6 100644
--- a/extensions/vscode-api-tests/package.json
+++ b/extensions/vscode-api-tests/package.json
@@ -43,10 +43,13 @@
     "tokenInformation",
     "treeItemCheckbox",
     "treeViewReveal",
+    "testInvalidateResults",
     "workspaceTrust",
     "telemetry",
     "windowActivity",
-    "interactiveUserActions"
+    "interactiveUserActions",
+    "envCollectionWorkspace",
+    "envCollectionOptions"
   ],
   "private": true,
   "activationEvents": [],
diff --git a/package.json b/package.json
index e3146a1e297..0a6957a0fa6 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "code-oss-dev",
   "version": "1.79.0",
-  "distro": "ba0897486f9570f3f031bd9512490baf0d646762",
+  "distro": "7272f69cc607298dc986708a73bd978aa7c3af3d",
   "author": {
     "name": "Microsoft Corporation"
   },
@@ -204,7 +204,7 @@
     "ts-loader": "^9.4.2",
     "ts-node": "^10.9.1",
     "tsec": "0.1.4",
-    "typescript": "^5.2.0-dev.20230516",
+    "typescript": "^5.2.0-dev.20230524",
     "typescript-formatter": "7.1.0",
     "underscore": "^1.12.1",
     "util": "^0.12.4",
diff --git a/src/bootstrap-window.js b/src/bootstrap-window.js
index 1c8e0831975..778f1deb9a6 100644
--- a/src/bootstrap-window.js
+++ b/src/bootstrap-window.js
@@ -119,6 +119,7 @@
 			'xterm-addon-canvas': `${baseNodeModulesPath}/xterm-addon-canvas/lib/xterm-addon-canvas.js`,
 			'xterm-addon-image': `${baseNodeModulesPath}/xterm-addon-image/lib/xterm-addon-image.js`,
 			'xterm-addon-search': `${baseNodeModulesPath}/xterm-addon-search/lib/xterm-addon-search.js`,
+			'xterm-addon-serialize': `${baseNodeModulesPath}/xterm-addon-serialize/lib/xterm-addon-serialize.js`,
 			'xterm-addon-unicode11': `${baseNodeModulesPath}/xterm-addon-unicode11/lib/xterm-addon-unicode11.js`,
 			'xterm-addon-webgl': `${baseNodeModulesPath}/xterm-addon-webgl/lib/xterm-addon-webgl.js`,
 			'@vscode/iconv-lite-umd': `${baseNodeModulesPath}/@vscode/iconv-lite-umd/lib/iconv-lite-umd.js`,
diff --git a/src/vs/base/test/browser/dom.test.ts b/src/vs/base/test/browser/dom.test.ts
index 87f5b2d4cab..dfb9f0a342b 100644
--- a/src/vs/base/test/browser/dom.test.ts
+++ b/src/vs/base/test/browser/dom.test.ts
@@ -18,6 +18,8 @@ suite('dom', () => {
 		assert(!element.classList.contains('bar'));
 		assert(!element.classList.contains('foo'));
 		assert(!element.classList.contains(''));
+
+
 	});
 
 	test('removeClass', () => {
diff --git a/src/vs/code/electron-sandbox/issue/issueReporterMain.ts b/src/vs/code/electron-sandbox/issue/issueReporterMain.ts
index f23a291a750..44263745539 100644
--- a/src/vs/code/electron-sandbox/issue/issueReporterMain.ts
+++ b/src/vs/code/electron-sandbox/issue/issueReporterMain.ts
@@ -15,7 +15,7 @@ import { NativeHostService } from 'vs/platform/native/electron-sandbox/nativeHos
 import { ServiceCollection } from 'vs/platform/instantiation/common/serviceCollection';
 import { SyncDescriptor } from 'vs/platform/instantiation/common/descriptors';
 import { IMainProcessService } from 'vs/platform/ipc/common/mainProcessService';
-import { IssueReporter } from './IssueReporterService';
+import { IssueReporter } from './issueReporterService';
 import { InstantiationService } from 'vs/platform/instantiation/common/instantiationService';
 import { getSingletonServiceDescriptors } from 'vs/platform/instantiation/common/extensions';
 import { registerMainProcessRemoteService } from 'vs/platform/ipc/electron-sandbox/services';
diff --git a/src/vs/code/electron-sandbox/issue/IssueReporterService.ts b/src/vs/code/electron-sandbox/issue/issueReporterService.ts
similarity index 100%
rename from src/vs/code/electron-sandbox/issue/IssueReporterService.ts
rename to src/vs/code/electron-sandbox/issue/issueReporterService.ts
diff --git a/src/vs/platform/actions/common/actions.ts b/src/vs/platform/actions/common/actions.ts
index 18e0c99f060..df156d0bbc7 100644
--- a/src/vs/platform/actions/common/actions.ts
+++ b/src/vs/platform/actions/common/actions.ts
@@ -183,7 +183,7 @@ export class MenuId {
 	static readonly InlineSuggestionToolbar = new MenuId('InlineSuggestionToolbar');
 	static readonly ChatContext = new MenuId('ChatContext');
 	static readonly ChatCodeBlock = new MenuId('ChatCodeblock');
-	static readonly ChatTitle = new MenuId('ChatTitle');
+	static readonly ChatMessageTitle = new MenuId('ChatMessageTitle');
 	static readonly ChatExecute = new MenuId('ChatExecute');
 
 	/**
diff --git a/src/vs/workbench/api/browser/mainThreadChat.ts b/src/vs/workbench/api/browser/mainThreadChat.ts
index fc6e18b077d..807882e0867 100644
--- a/src/vs/workbench/api/browser/mainThreadChat.ts
+++ b/src/vs/workbench/api/browser/mainThreadChat.ts
@@ -8,10 +8,10 @@ import { Disposable, DisposableMap } from 'vs/base/common/lifecycle';
 import { URI } from 'vs/base/common/uri';
 import { ILogService } from 'vs/platform/log/common/log';
 import { IProductService } from 'vs/platform/product/common/productService';
-import { ExtHostContext, ExtHostChatShape, IChatRequestDto, MainContext, MainThreadChatShape } from 'vs/workbench/api/common/extHost.protocol';
+import { ExtHostChatShape, ExtHostContext, IChatRequestDto, MainContext, MainThreadChatShape } from 'vs/workbench/api/common/extHost.protocol';
 import { IChatWidgetService } from 'vs/workbench/contrib/chat/browser/chat';
 import { IChatContributionService } from 'vs/workbench/contrib/chat/common/chatContributionService';
-import { IChatProgress, IChatRequest, IChatResponse, IChat, IChatDynamicRequest, IChatService } from 'vs/workbench/contrib/chat/common/chatService';
+import { IChat, IChatDynamicRequest, IChatProgress, IChatRequest, IChatResponse, IChatService } from 'vs/workbench/contrib/chat/common/chatService';
 import { IExtHostContext, extHostNamedCustomer } from 'vs/workbench/services/extensions/common/extHostCustomers';
 
 @extHostNamedCustomer(MainContext.MainThreadChat)
@@ -134,6 +134,9 @@ export class MainThreadChat extends Disposable implements MainThreadChatShape {
 			},
 			provideFollowups: (session, token) => {
 				return this._proxy.$provideFollowups(handle, session.id, token);
+			},
+			removeRequest: (session, requestId) => {
+				return this._proxy.$removeRequest(handle, session.id, requestId);
 			}
 		});
 
diff --git a/src/vs/workbench/api/browser/mainThreadShare.ts b/src/vs/workbench/api/browser/mainThreadShare.ts
index 60f86f96ed0..c1ab121b007 100644
--- a/src/vs/workbench/api/browser/mainThreadShare.ts
+++ b/src/vs/workbench/api/browser/mainThreadShare.ts
@@ -24,11 +24,12 @@ export class MainThreadShare implements MainThreadShareShape {
 		this.proxy = extHostContext.getProxy(ExtHostContext.ExtHostShare);
 	}
 
-	$registerShareProvider(handle: number, selector: IDocumentFilterDto[], id: string, label: string): void {
+	$registerShareProvider(handle: number, selector: IDocumentFilterDto[], id: string, label: string, priority: number): void {
 		const provider: IShareProvider = {
 			id,
 			label,
 			selector,
+			priority,
 			provideShare: async (item: IShareableItem) => {
 				return URI.revive(await this.proxy.$provideShare(handle, item, new CancellationTokenSource().token));
 			}
diff --git a/src/vs/workbench/api/browser/mainThreadStatusBar.ts b/src/vs/workbench/api/browser/mainThreadStatusBar.ts
index 21166883d5a..faf4ca55bf8 100644
--- a/src/vs/workbench/api/browser/mainThreadStatusBar.ts
+++ b/src/vs/workbench/api/browser/mainThreadStatusBar.ts
@@ -11,7 +11,7 @@ import { Command } from 'vs/editor/common/languages';
 import { IAccessibilityInformation } from 'vs/platform/accessibility/common/accessibility';
 import { IMarkdownString } from 'vs/base/common/htmlContent';
 import { IExtensionStatusBarItemService } from 'vs/workbench/api/browser/statusBarExtensionPoint';
-import { StatusbarAlignment } from 'vs/workbench/services/statusbar/browser/statusbar';
+import { IStatusbarEntry, StatusbarAlignment } from 'vs/workbench/services/statusbar/browser/statusbar';
 
 @extHostNamedCustomer(MainContext.MainThreadStatusBar)
 export class MainThreadStatusBar implements MainThreadStatusBarShape {
@@ -27,17 +27,27 @@ export class MainThreadStatusBar implements MainThreadStatusBarShape {
 		// once, at startup read existing items and send them over
 		const entries: StatusBarItemDto[] = [];
 		for (const [entryId, item] of statusbarService.getEntries()) {
-			entries.push({
+			entries.push(asDto(entryId, item));
+		}
+
+		proxy.$acceptStaticEntries(entries);
+
+		statusbarService.onDidChange(e => {
+			if (e.added) {
+				proxy.$acceptStaticEntries([asDto(e.added[0], e.added[1])]);
+			}
+		});
+
+		function asDto(entryId: string, item: { entry: IStatusbarEntry; alignment: StatusbarAlignment; priority: number }): StatusBarItemDto {
+			return {
 				entryId,
 				name: item.entry.name,
 				text: item.entry.text,
 				command: typeof item.entry.command === 'string' ? item.entry.command : undefined,
 				priority: item.priority,
 				alignLeft: item.alignment === StatusbarAlignment.LEFT
-			});
+			};
 		}
-
-		proxy.$acceptStaticEntries(entries);
 	}
 
 	dispose(): void {
diff --git a/src/vs/workbench/api/browser/mainThreadTesting.ts b/src/vs/workbench/api/browser/mainThreadTesting.ts
index 676816725fc..d9ea8c1e677 100644
--- a/src/vs/workbench/api/browser/mainThreadTesting.ts
+++ b/src/vs/workbench/api/browser/mainThreadTesting.ts
@@ -52,6 +52,18 @@ export class MainThreadTesting extends Disposable implements MainThreadTestingSh
 		}));
 	}
 
+	/**
+	 * @inheritdoc
+	 */
+	$markTestRetired(testId: string): void {
+		for (const result of this.resultService.results) {
+			// all non-live results are already entirely outdated
+			if (result instanceof LiveTestResult) {
+				result.markRetired(testId);
+			}
+		}
+	}
+
 	/**
 	 * @inheritdoc
 	 */
diff --git a/src/vs/workbench/api/browser/mainThreadTunnelService.ts b/src/vs/workbench/api/browser/mainThreadTunnelService.ts
index 846d68c2d14..ab5fabffdc2 100644
--- a/src/vs/workbench/api/browser/mainThreadTunnelService.ts
+++ b/src/vs/workbench/api/browser/mainThreadTunnelService.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as nls from 'vs/nls';
-import { MainThreadTunnelServiceShape, MainContext, ExtHostContext, ExtHostTunnelServiceShape, CandidatePortSource, PortAttributesProviderSelector, TunnelDto } from 'vs/workbench/api/common/extHost.protocol';
+import { MainThreadTunnelServiceShape, MainContext, ExtHostContext, ExtHostTunnelServiceShape, CandidatePortSource, PortAttributesSelector, TunnelDto } from 'vs/workbench/api/common/extHost.protocol';
 import { TunnelDtoConverter } from 'vs/workbench/api/common/extHostTunnelService';
 import { extHostNamedCustomer, IExtHostContext } from 'vs/workbench/services/extensions/common/extHostCustomers';
 import { CandidatePort, IRemoteExplorerService, makeAddress, PORT_AUTO_FORWARD_SETTING, PORT_AUTO_SOURCE_SETTING, PORT_AUTO_SOURCE_SETTING_OUTPUT, TunnelCloseReason, TunnelSource } from 'vs/workbench/services/remote/common/remoteExplorerService';
@@ -23,7 +23,7 @@ import { IConfigurationRegistry, Extensions as ConfigurationExtensions } from 'v
 export class MainThreadTunnelService extends Disposable implements MainThreadTunnelServiceShape, PortAttributesProvider {
 	private readonly _proxy: ExtHostTunnelServiceShape;
 	private elevateionRetry: boolean = false;
-	private portsAttributesProviders: Map<number, PortAttributesProviderSelector> = new Map();
+	private portsAttributesProviders: Map<number, PortAttributesSelector> = new Map();
 
 	constructor(
 		extHostContext: IExtHostContext,
@@ -63,7 +63,7 @@ export class MainThreadTunnelService extends Disposable implements MainThreadTun
 	}
 
 	private _alreadyRegistered: boolean = false;
-	async $registerPortsAttributesProvider(selector: PortAttributesProviderSelector, providerHandle: number): Promise<void> {
+	async $registerPortsAttributesProvider(selector: PortAttributesSelector, providerHandle: number): Promise<void> {
 		this.portsAttributesProviders.set(providerHandle, selector);
 		if (!this._alreadyRegistered) {
 			this.remoteExplorerService.tunnelModel.addAttributesProvider(this);
@@ -85,9 +85,8 @@ export class MainThreadTunnelService extends Disposable implements MainThreadTun
 			const selector = entry[1];
 			const portRange = selector.portRange;
 			const portInRange = portRange ? ports.some(port => portRange[0] <= port && port < portRange[1]) : true;
-			const pidMatches = !selector.pid || (selector.pid === pid);
 			const commandMatches = !selector.commandPattern || (commandLine && (commandLine.match(selector.commandPattern)));
-			return portInRange && pidMatches && commandMatches;
+			return portInRange && commandMatches;
 		}).map(entry => entry[0]);
 
 		if (appropriateHandles.length === 0) {
diff --git a/src/vs/workbench/api/browser/statusBarExtensionPoint.ts b/src/vs/workbench/api/browser/statusBarExtensionPoint.ts
index 9cf4e62872f..48f91f7ffbe 100644
--- a/src/vs/workbench/api/browser/statusBarExtensionPoint.ts
+++ b/src/vs/workbench/api/browser/statusBarExtensionPoint.ts
@@ -16,6 +16,7 @@ import { IAccessibilityInformation } from 'vs/platform/accessibility/common/acce
 import { IMarkdownString } from 'vs/base/common/htmlContent';
 import { getCodiconAriaLabel } from 'vs/base/common/iconLabels';
 import { hash } from 'vs/base/common/hash';
+import { Event, Emitter } from 'vs/base/common/event';
 import { InstantiationType, registerSingleton } from 'vs/platform/instantiation/common/extensions';
 import { Iterable } from 'vs/base/common/iterator';
 import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
@@ -27,16 +28,24 @@ import { asStatusBarItemIdentifier } from 'vs/workbench/api/common/extHostTypes'
 export const IExtensionStatusBarItemService = createDecorator<IExtensionStatusBarItemService>('IExtensionStatusBarItemService');
 
 export interface IExtensionStatusBarItemChangeEvent {
-	readonly added?: Readonly<{ entryId: string } & IStatusbarEntry>;
+	readonly added?: ExtensionStatusBarEntry;
 	readonly removed?: string;
 }
 
+export type ExtensionStatusBarEntry = [string, {
+	entry: IStatusbarEntry;
+	alignment: MainThreadStatusBarAlignment;
+	priority: number;
+}];
+
 export interface IExtensionStatusBarItemService {
 	readonly _serviceBrand: undefined;
 
+	onDidChange: Event<IExtensionStatusBarItemChangeEvent>;
+
 	setOrUpdateEntry(id: string, statusId: string, extensionId: string | undefined, name: string, text: string, tooltip: IMarkdownString | string | undefined, command: Command | undefined, color: string | ThemeColor | undefined, backgroundColor: string | ThemeColor | undefined, alignLeft: boolean, priority: number | undefined, accessibilityInformation: IAccessibilityInformation | undefined): IDisposable;
 
-	getEntries(): Iterable<[string, { entry: IStatusbarEntry; alignment: MainThreadStatusBarAlignment; priority: number }]>;
+	getEntries(): Iterable<ExtensionStatusBarEntry>;
 }
 
 
@@ -46,8 +55,17 @@ class ExtensionStatusBarItemService implements IExtensionStatusBarItemService {
 
 	private readonly _entries: Map<string, { accessor: IStatusbarEntryAccessor; entry: IStatusbarEntry; alignment: MainThreadStatusBarAlignment; priority: number }> = new Map();
 
+	private readonly _onDidChange = new Emitter<IExtensionStatusBarItemChangeEvent>();
+	readonly onDidChange: Event<IExtensionStatusBarItemChangeEvent> = this._onDidChange.event;
+
 	constructor(@IStatusbarService private readonly _statusbarService: IStatusbarService) { }
 
+	dispose(): void {
+		this._entries.forEach(entry => entry.accessor.dispose());
+		this._entries.clear();
+		this._onDidChange.dispose();
+	}
+
 	setOrUpdateEntry(entryId: string, id: string, extensionId: string | undefined, name: string, text: string, tooltip: IMarkdownString | string | undefined, command: Command | undefined, color: string | ThemeColor | undefined, backgroundColor: string | ThemeColor | undefined, alignLeft: boolean, priority: number | undefined, accessibilityInformation: IAccessibilityInformation | undefined): IDisposable {
 		// if there are icons in the text use the tooltip for the aria label
 		let ariaLabel: string;
@@ -98,6 +116,8 @@ class ExtensionStatusBarItemService implements IExtensionStatusBarItemService {
 				priority
 			});
 
+			this._onDidChange.fire({ added: [entryId, { entry, alignment, priority }] });
+
 		} else {
 			// Otherwise update
 			existingEntry.accessor.update(entry);
@@ -109,6 +129,7 @@ class ExtensionStatusBarItemService implements IExtensionStatusBarItemService {
 			if (entry) {
 				entry.accessor.dispose();
 				this._entries.delete(entryId);
+				this._onDidChange.fire({ removed: entryId });
 			}
 		});
 	}
diff --git a/src/vs/workbench/api/common/extHost.api.impl.ts b/src/vs/workbench/api/common/extHost.api.impl.ts
index e6f76b539d0..1f67e2a66dd 100644
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -202,7 +202,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const extHostUriOpeners = rpcProtocol.set(ExtHostContext.ExtHostUriOpeners, new ExtHostUriOpeners(rpcProtocol));
 	const extHostProfileContentHandlers = rpcProtocol.set(ExtHostContext.ExtHostProfileContentHandlers, new ExtHostProfileContentHandlers(rpcProtocol));
 	rpcProtocol.set(ExtHostContext.ExtHostInteractive, new ExtHostInteractive(rpcProtocol, extHostNotebook, extHostDocumentsAndEditors, extHostCommands, extHostLogService));
-	const extHostInteractiveEditor = rpcProtocol.set(ExtHostContext.ExtHostInteractiveEditor, new ExtHostInteractiveEditor(rpcProtocol, extHostDocuments, extHostLogService));
+	const extHostInteractiveEditor = rpcProtocol.set(ExtHostContext.ExtHostInteractiveEditor, new ExtHostInteractiveEditor(rpcProtocol, extHostCommands, extHostDocuments, extHostLogService));
 	const extHostChat = rpcProtocol.set(ExtHostContext.ExtHostChat, new ExtHostChat(rpcProtocol, extHostLogService));
 	const extHostSemanticSimilarity = rpcProtocol.set(ExtHostContext.ExtHostSemanticSimilarity, new ExtHostSemanticSimilarity(rpcProtocol));
 	const extHostIssueReporter = rpcProtocol.set(ExtHostContext.ExtHostIssueReporter, new ExtHostIssueReporter(rpcProtocol));
@@ -1077,7 +1077,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 				checkProposedApiEnabled(extension, 'tunnels');
 				return extHostTunnelService.onDidChangeTunnels(listener, thisArg, disposables);
 			},
-			registerPortAttributesProvider: (portSelector: { pid?: number; portRange?: [number, number]; commandPattern?: RegExp }, provider: vscode.PortAttributesProvider) => {
+			registerPortAttributesProvider: (portSelector: vscode.PortAttributesSelector, provider: vscode.PortAttributesProvider) => {
 				checkProposedApiEnabled(extension, 'portsAttributes');
 				return extHostTunnelService.registerPortsAttributesProvider(portSelector, provider);
 			},
diff --git a/src/vs/workbench/api/common/extHost.protocol.ts b/src/vs/workbench/api/common/extHost.protocol.ts
index a689fa33976..a42f890530d 100644
--- a/src/vs/workbench/api/common/extHost.protocol.ts
+++ b/src/vs/workbench/api/common/extHost.protocol.ts
@@ -1174,6 +1174,7 @@ export interface ExtHostChatShape {
 	$provideWelcomeMessage(handle: number, token: CancellationToken): Promise<(string | IChatReplyFollowup[])[] | undefined>;
 	$provideFollowups(handle: number, sessionId: number, token: CancellationToken): Promise<IChatFollowup[] | undefined>;
 	$provideReply(handle: number, sessionId: number, request: IChatRequestDto, token: CancellationToken): Promise<IChatResponseDto | undefined>;
+	$removeRequest(handle: number, sessionId: number, requestId: string): void;
 	$provideSlashCommands(handle: number, sessionId: number, token: CancellationToken): Promise<ISlashCommand[] | undefined>;
 	$releaseSession(sessionId: number): void;
 	$onDidPerformUserAction(event: IChatUserActionEvent): Promise<void>;
@@ -1265,7 +1266,7 @@ export interface MainThreadSearchShape extends IDisposable {
 }
 
 export interface MainThreadShareShape extends IDisposable {
-	$registerShareProvider(handle: number, selector: IDocumentFilterDto[], id: string, label: string): void;
+	$registerShareProvider(handle: number, selector: IDocumentFilterDto[], id: string, label: string, priority: number): void;
 	$unregisterShareProvider(handle: number): void;
 }
 
@@ -1420,8 +1421,7 @@ export enum CandidatePortSource {
 	Output = 2
 }
 
-export interface PortAttributesProviderSelector {
-	pid?: number;
+export interface PortAttributesSelector {
 	portRange?: [number, number];
 	commandPattern?: RegExp;
 }
@@ -1435,7 +1435,7 @@ export interface MainThreadTunnelServiceShape extends IDisposable {
 	$setCandidateFilter(): Promise<void>;
 	$onFoundNewCandidates(candidates: CandidatePort[]): Promise<void>;
 	$setCandidatePortSource(source: CandidatePortSource): Promise<void>;
-	$registerPortsAttributesProvider(selector: PortAttributesProviderSelector, providerHandle: number): Promise<void>;
+	$registerPortsAttributesProvider(selector: PortAttributesSelector, providerHandle: number): Promise<void>;
 	$unregisterPortsAttributesProvider(providerHandle: number): Promise<void>;
 }
 
@@ -2501,6 +2501,8 @@ export interface MainThreadTestingShape {
 	$startedExtensionTestRun(req: ExtensionRunTestsRequest): void;
 	/** Signals that an extension-provided test run finished. */
 	$finishedExtensionTestRun(runId: string): void;
+	/** Marks a test (or controller) as retired in all results. */
+	$markTestRetired(testId: string): void;
 }
 
 // --- proxy identifiers
diff --git a/src/vs/workbench/api/common/extHostChat.ts b/src/vs/workbench/api/common/extHostChat.ts
index b4aada3a1a0..2a623150731 100644
--- a/src/vs/workbench/api/common/extHostChat.ts
+++ b/src/vs/workbench/api/common/extHostChat.ts
@@ -13,7 +13,7 @@ import { IRelaxedExtensionDescription } from 'vs/platform/extensions/common/exte
 import { ILogService } from 'vs/platform/log/common/log';
 import { ExtHostChatShape, IChatRequestDto, IChatResponseDto, IChatDto, IMainContext, MainContext, MainThreadChatShape } from 'vs/workbench/api/common/extHost.protocol';
 import * as typeConvert from 'vs/workbench/api/common/extHostTypeConverters';
-import { IChatFollowup, IChatReplyFollowup, IChatUserActionEvent, ISlashCommand } from 'vs/workbench/contrib/chat/common/chatService';
+import { IChatFollowup, IChatProgress, IChatReplyFollowup, IChatUserActionEvent, ISlashCommand } from 'vs/workbench/contrib/chat/common/chatService';
 import type * as vscode from 'vscode';
 
 class ChatProviderWrapper<T> {
@@ -158,6 +158,24 @@ export class ExtHostChat implements ExtHostChatShape {
 		return rawFollowups?.map(f => typeConvert.ChatFollowup.from(f));
 	}
 
+	$removeRequest(handle: number, sessionId: number, requestId: string): void {
+		const entry = this._chatProvider.get(handle);
+		if (!entry) {
+			return;
+		}
+
+		const realSession = this._chatSessions.get(sessionId);
+		if (!realSession) {
+			return;
+		}
+
+		if (!entry.provider.removeRequest) {
+			return;
+		}
+
+		entry.provider.removeRequest(realSession, requestId);
+	}
+
 	async $provideReply(handle: number, sessionId: number, request: IChatRequestDto, token: CancellationToken): Promise<IChatResponseDto | undefined> {
 		const entry = this._chatProvider.get(handle);
 		if (!entry) {
@@ -186,7 +204,8 @@ export class ExtHostChat implements ExtHostChatShape {
 					firstProgress = stopWatch.elapsed();
 				}
 
-				this._proxy.$acceptResponseProgress(handle, sessionId, progress);
+				const vscodeProgress: IChatProgress = 'responseId' in progress ? { requestId: progress.responseId } : progress;
+				this._proxy.$acceptResponseProgress(handle, sessionId, vscodeProgress);
 			}
 		};
 		let result: vscode.InteractiveResponseForProgress | undefined | null;
diff --git a/src/vs/workbench/api/common/extHostInteractiveEditor.ts b/src/vs/workbench/api/common/extHostInteractiveEditor.ts
index 94ba77eeb02..90164a44aab 100644
--- a/src/vs/workbench/api/common/extHostInteractiveEditor.ts
+++ b/src/vs/workbench/api/common/extHostInteractiveEditor.ts
@@ -15,6 +15,8 @@ import { ExtHostDocuments } from 'vs/workbench/api/common/extHostDocuments';
 import * as typeConvert from 'vs/workbench/api/common/extHostTypeConverters';
 import * as extHostTypes from 'vs/workbench/api/common/extHostTypes';
 import type * as vscode from 'vscode';
+import { ApiCommand, ApiCommandArgument, ApiCommandResult, ExtHostCommands } from 'vs/workbench/api/common/extHostCommands';
+import { IRange } from 'vs/editor/common/core/range';
 
 class ProviderWrapper {
 
@@ -47,10 +49,40 @@ export class ExtHostInteractiveEditor implements ExtHostInteractiveEditorShape {
 
 	constructor(
 		mainContext: IMainContext,
+		extHostCommands: ExtHostCommands,
 		private readonly _documents: ExtHostDocuments,
 		private readonly _logService: ILogService,
 	) {
 		this._proxy = mainContext.getProxy(MainContext.MainThreadInteractiveEditor);
+
+		type EditorChatApiArg = {
+			initialRange?: vscode.Range;
+			message?: string;
+			autoSend?: boolean;
+		};
+
+		type InteractiveEditorRunOptions = {
+			initialRange?: IRange;
+			message?: string;
+			autoSend?: boolean;
+		};
+
+		extHostCommands.registerApiCommand(new ApiCommand(
+			'vscode.editorChat.start', 'interactiveEditor.start', 'Invoke a new editor chat session',
+			[new ApiCommandArgument<EditorChatApiArg | undefined, InteractiveEditorRunOptions | undefined>('Run arguments', '', _v => true, v => {
+
+				if (!v) {
+					return undefined;
+				}
+
+				return {
+					initialRange: v.initialRange ? typeConvert.Range.from(v.initialRange) : undefined,
+					message: v.message,
+					autoSend: v.autoSend
+				};
+			})],
+			ApiCommandResult.Void
+		));
 	}
 
 	registerProvider(extension: Readonly<IRelaxedExtensionDescription>, provider: vscode.InteractiveEditorSessionProvider): vscode.Disposable {
diff --git a/src/vs/workbench/api/common/extHostShare.ts b/src/vs/workbench/api/common/extHostShare.ts
index 15acba45c47..618fe17138f 100644
--- a/src/vs/workbench/api/common/extHostShare.ts
+++ b/src/vs/workbench/api/common/extHostShare.ts
@@ -32,7 +32,7 @@ export class ExtHostShare implements ExtHostShareShape {
 	registerShareProvider(selector: vscode.DocumentSelector, provider: vscode.ShareProvider): vscode.Disposable {
 		const handle = ExtHostShare.handlePool++;
 		this.providers.set(handle, provider);
-		this.proxy.$registerShareProvider(handle, DocumentSelector.from(selector, this.uriTransformer), provider.id, provider.label);
+		this.proxy.$registerShareProvider(handle, DocumentSelector.from(selector, this.uriTransformer), provider.id, provider.label, provider.priority);
 		return {
 			dispose: () => {
 				this.proxy.$unregisterShareProvider(handle);
diff --git a/src/vs/workbench/api/common/extHostTerminalService.ts b/src/vs/workbench/api/common/extHostTerminalService.ts
index 1cb4c5890d1..6dabdb4f4df 100644
--- a/src/vs/workbench/api/common/extHostTerminalService.ts
+++ b/src/vs/workbench/api/common/extHostTerminalService.ts
@@ -25,7 +25,7 @@ import { withNullAsUndefined } from 'vs/base/common/types';
 import { Promises } from 'vs/base/common/async';
 import { EditorGroupColumn } from 'vs/workbench/services/editor/common/editorGroupColumn';
 import { ViewColumn } from 'vs/workbench/api/common/extHostTypeConverters';
-import { isProposedApiEnabled } from 'vs/workbench/services/extensions/common/extensions';
+import { checkProposedApiEnabled } from 'vs/workbench/services/extensions/common/extensions';
 
 export interface IExtHostTerminalService extends ExtHostTerminalServiceShape, IDisposable {
 
@@ -898,6 +898,10 @@ class UnifiedEnvironmentVariableCollection {
 	}
 
 	getScopedEnvironmentVariableCollection(scope: vscode.EnvironmentVariableScope | undefined): IEnvironmentVariableCollection {
+		if (this._extension && scope) {
+			// TODO: This should be removed when the env var extension API(s) are stabilized
+			checkProposedApiEnabled(this._extension, 'envCollectionWorkspace');
+		}
 		const scopedCollectionKey = this.getScopeKey(scope);
 		let scopedCollection = this.scopedCollections.get(scopedCollectionKey);
 		if (!scopedCollection) {
@@ -910,21 +914,21 @@ class UnifiedEnvironmentVariableCollection {
 
 	replace(variable: string, value: string, options: vscode.EnvironmentVariableMutatorOptions | undefined, scope: vscode.EnvironmentVariableScope | undefined): void {
 		if (this._extension && options) {
-			isProposedApiEnabled(this._extension, 'envCollectionOptions');
+			checkProposedApiEnabled(this._extension, 'envCollectionOptions');
 		}
 		this._setIfDiffers(variable, { value, type: EnvironmentVariableMutatorType.Replace, options: options ?? {}, scope });
 	}
 
 	append(variable: string, value: string, options: vscode.EnvironmentVariableMutatorOptions | undefined, scope: vscode.EnvironmentVariableScope | undefined): void {
 		if (this._extension && options) {
-			isProposedApiEnabled(this._extension, 'envCollectionOptions');
+			checkProposedApiEnabled(this._extension, 'envCollectionOptions');
 		}
 		this._setIfDiffers(variable, { value, type: EnvironmentVariableMutatorType.Append, options: options ?? {}, scope });
 	}
 
 	prepend(variable: string, value: string, options: vscode.EnvironmentVariableMutatorOptions | undefined, scope: vscode.EnvironmentVariableScope | undefined): void {
 		if (this._extension && options) {
-			isProposedApiEnabled(this._extension, 'envCollectionOptions');
+			checkProposedApiEnabled(this._extension, 'envCollectionOptions');
 		}
 		this._setIfDiffers(variable, { value, type: EnvironmentVariableMutatorType.Prepend, options: options ?? {}, scope });
 	}
diff --git a/src/vs/workbench/api/common/extHostTesting.ts b/src/vs/workbench/api/common/extHostTesting.ts
index ab1ffe90cea..5e2e6f1bc19 100644
--- a/src/vs/workbench/api/common/extHostTesting.ts
+++ b/src/vs/workbench/api/common/extHostTesting.ts
@@ -27,6 +27,7 @@ import { TestCommandId } from 'vs/workbench/contrib/testing/common/constants';
 import { TestId, TestIdPathParts, TestPosition } from 'vs/workbench/contrib/testing/common/testId';
 import { InvalidTestItemError } from 'vs/workbench/contrib/testing/common/testItemCollection';
 import { AbstractIncrementalTestCollection, CoverageDetails, ICallProfileRunHandler, IFileCoverage, ISerializedTestResults, IStartControllerTests, IStartControllerTestsResult, ITestItem, ITestItemContext, IncrementalChangeCollector, IncrementalTestCollectionItem, InternalTestItem, TestResultState, TestRunProfileBitset, TestsDiff, TestsDiffOp, isStartControllerTests } from 'vs/workbench/contrib/testing/common/testTypes';
+import { checkProposedApiEnabled } from 'vs/workbench/services/extensions/common/extensions';
 import type * as vscode from 'vscode';
 
 interface ControllerInfo {
@@ -137,6 +138,11 @@ export class ExtHostTesting implements ExtHostTestingShape {
 			createTestRun: (request, name, persist = true) => {
 				return this.runTracker.createTestRun(controllerId, collection, request, name, persist);
 			},
+			invalidateTestResults: item => {
+				checkProposedApiEnabled(extension, 'testInvalidateResults');
+				const id = item ? TestId.fromExtHostTestItem(item, controllerId).toString() : controllerId;
+				return this.proxy.$markTestRetired(id);
+			},
 			set resolveHandler(fn) {
 				collection.resolveHandler = fn;
 			},
diff --git a/src/vs/workbench/api/common/extHostTunnelService.ts b/src/vs/workbench/api/common/extHostTunnelService.ts
index a6ad6135611..dfdfc5ab5a2 100644
--- a/src/vs/workbench/api/common/extHostTunnelService.ts
+++ b/src/vs/workbench/api/common/extHostTunnelService.ts
@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { ExtHostTunnelServiceShape, TunnelDto } from 'vs/workbench/api/common/extHost.protocol';
+import { ExtHostTunnelServiceShape, PortAttributesSelector, TunnelDto } from 'vs/workbench/api/common/extHost.protocol';
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
 import * as vscode from 'vscode';
 import { ProvidedPortAttributes, RemoteTunnel, TunnelCreationOptions, TunnelOptions, TunnelPrivacyId } from 'vs/platform/tunnel/common/tunnel';
@@ -48,7 +48,7 @@ export interface IExtHostTunnelService extends ExtHostTunnelServiceShape {
 	getTunnels(): Promise<vscode.TunnelDescription[]>;
 	onDidChangeTunnels: vscode.Event<void>;
 	setTunnelFactory(provider: vscode.RemoteAuthorityResolver | undefined): Promise<IDisposable>;
-	registerPortsAttributesProvider(portSelector: { pid?: number; portRange?: [number, number]; commandPattern?: RegExp }, provider: vscode.PortAttributesProvider): IDisposable;
+	registerPortsAttributesProvider(portSelector: PortAttributesSelector, provider: vscode.PortAttributesProvider): IDisposable;
 }
 
 export const IExtHostTunnelService = createDecorator<IExtHostTunnelService>('IExtHostTunnelService');
@@ -74,7 +74,7 @@ export class ExtHostTunnelService implements IExtHostTunnelService {
 	async setTunnelFactory(provider: vscode.RemoteAuthorityResolver | undefined): Promise<IDisposable> {
 		return { dispose: () => { } };
 	}
-	registerPortsAttributesProvider(portSelector: { pid?: number; portRange?: [number, number] }, provider: vscode.PortAttributesProvider) {
+	registerPortsAttributesProvider(portSelector: PortAttributesSelector, provider: vscode.PortAttributesProvider) {
 		return { dispose: () => { } };
 	}
 
diff --git a/src/vs/workbench/api/node/extHostTunnelService.ts b/src/vs/workbench/api/node/extHostTunnelService.ts
index 209c4623e92..ae3cf3568f8 100644
--- a/src/vs/workbench/api/node/extHostTunnelService.ts
+++ b/src/vs/workbench/api/node/extHostTunnelService.ts
@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { MainThreadTunnelServiceShape, MainContext, PortAttributesProviderSelector, TunnelDto } from 'vs/workbench/api/common/extHost.protocol';
+import { MainThreadTunnelServiceShape, MainContext, PortAttributesSelector, TunnelDto } from 'vs/workbench/api/common/extHost.protocol';
 import { IExtHostRpcService } from 'vs/workbench/api/common/extHostRpcService';
 import type * as vscode from 'vscode';
 import * as nls from 'vs/nls';
@@ -186,7 +186,7 @@ export class ExtHostTunnelService extends Disposable implements IExtHostTunnelSe
 	private _initialCandidates: CandidatePort[] | undefined = undefined;
 
 	private _providerHandleCounter: number = 0;
-	private _portAttributesProviders: Map<number, { provider: vscode.PortAttributesProvider; selector: PortAttributesProviderSelector }> = new Map();
+	private _portAttributesProviders: Map<number, { provider: vscode.PortAttributesProvider; selector: PortAttributesSelector }> = new Map();
 
 	constructor(
 		@IExtHostRpcService extHostRpc: IExtHostRpcService,
@@ -232,7 +232,7 @@ export class ExtHostTunnelService extends Disposable implements IExtHostTunnelSe
 		return this._providerHandleCounter++;
 	}
 
-	registerPortsAttributesProvider(portSelector: PortAttributesProviderSelector, provider: vscode.PortAttributesProvider): vscode.Disposable {
+	registerPortsAttributesProvider(portSelector: PortAttributesSelector, provider: vscode.PortAttributesProvider): vscode.Disposable {
 		const providerHandle = this.nextPortAttributesProviderHandle();
 		this._portAttributesProviders.set(providerHandle, { selector: portSelector, provider });
 
diff --git a/src/vs/workbench/browser/parts/dialogs/dialogHandler.ts b/src/vs/workbench/browser/parts/dialogs/dialogHandler.ts
index 34f82543106..4b320bba521 100644
--- a/src/vs/workbench/browser/parts/dialogs/dialogHandler.ts
+++ b/src/vs/workbench/browser/parts/dialogs/dialogHandler.ts
@@ -70,7 +70,7 @@ export class BrowserDialogHandler extends AbstractDialogHandler {
 
 		const buttons = this.getInputButtons(input);
 
-		const { button, checkboxChecked, values } = await this.doShow(input.type ?? 'question', input.message, buttons, input.detail, buttons.length - 1, input?.checkbox, input.inputs);
+		const { button, checkboxChecked, values } = await this.doShow(input.type ?? 'question', input.message, buttons, input.detail, buttons.length - 1, input?.checkbox, input.inputs, typeof input.custom === 'object' ? input.custom : undefined);
 
 		return { confirmed: button === 0, checkboxChecked, values };
 	}
diff --git a/src/vs/workbench/browser/web.api.ts b/src/vs/workbench/browser/web.api.ts
index 0a7d082cea1..fe3397e05ec 100644
--- a/src/vs/workbench/browser/web.api.ts
+++ b/src/vs/workbench/browser/web.api.ts
@@ -18,6 +18,8 @@ import type { IProgress, IProgressCompositeOptions, IProgressDialogOptions, IPro
 import type { ITextEditorOptions } from 'vs/platform/editor/common/editor';
 import type { EditorGroupLayout } from 'vs/workbench/services/editor/common/editorGroupsService';
 import type { IEmbedderTerminalOptions } from 'vs/workbench/services/terminal/common/embedderTerminalService';
+import { IExtensionManifest } from 'vs/platform/extensions/common/extensions';
+import { ITranslations } from 'vs/platform/extensionManagement/common/extensionNls';
 
 /**
  * The `IWorkbench` interface is the API facade for web embedders
@@ -220,7 +222,7 @@ export interface IWorkbenchConstructionOptions {
 	 * 	- an extension in the Marketplace
 	 * 	- location of the extension where it is hosted.
 	 */
-	readonly additionalBuiltinExtensions?: readonly (MarketplaceExtension | UriComponents)[];
+	readonly additionalBuiltinExtensions?: readonly (MarketplaceExtension | UriComponents | HostedExtension)[];
 
 	/**
 	 * List of extensions to be enabled if they are installed.
@@ -373,6 +375,15 @@ export interface IResourceUriProvider {
 export type ExtensionId = string;
 
 export type MarketplaceExtension = ExtensionId | { readonly id: ExtensionId; preRelease?: boolean; migrateStorageFrom?: ExtensionId };
+export interface HostedExtension {
+	readonly location: UriComponents;
+	readonly preRelease?: boolean;
+	readonly packageJSON?: IExtensionManifest;
+	readonly defaultPackageTranslations?: ITranslations | null;
+	readonly packageNLSUris?: Map<string, UriComponents>;
+	readonly readmeUri?: UriComponents;
+	readonly changelogUri?: UriComponents;
+}
 
 export interface ICommonTelemetryPropertiesResolver {
 	(): { [key: string]: any };
diff --git a/src/vs/workbench/contrib/chat/browser/actions/chatActions.ts b/src/vs/workbench/contrib/chat/browser/actions/chatActions.ts
index d65c1ec6980..05cb749ccad 100644
--- a/src/vs/workbench/contrib/chat/browser/actions/chatActions.ts
+++ b/src/vs/workbench/contrib/chat/browser/actions/chatActions.ts
@@ -14,9 +14,7 @@ import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
 import { KeybindingWeight } from 'vs/platform/keybinding/common/keybindingsRegistry';
 import { IQuickInputService, IQuickPickItem } from 'vs/platform/quickinput/common/quickInput';
 import { ViewAction } from 'vs/workbench/browser/parts/views/viewPane';
-import { ActiveEditorContext } from 'vs/workbench/common/contextkeys';
 import { runAccessibilityHelpAction } from 'vs/workbench/contrib/chat/browser/actions/chatAccessibilityHelp';
-import { clearChatEditor, clearChatSession } from 'vs/workbench/contrib/chat/browser/actions/chatClear';
 import { IChatWidgetService } from 'vs/workbench/contrib/chat/browser/chat';
 import { IChatEditorOptions } from 'vs/workbench/contrib/chat/browser/chatEditor';
 import { ChatEditorInput } from 'vs/workbench/contrib/chat/browser/chatEditorInput';
@@ -53,36 +51,6 @@ export function registerChatActions() {
 		}
 	});
 
-	registerAction2(class ClearEditorAction extends Action2 {
-		constructor() {
-			super({
-				id: 'workbench.action.chatEditor.clear',
-				title: {
-					value: localize('interactiveSession.clear.label', "Clear"),
-					original: 'Clear'
-				},
-				icon: Codicon.clearAll,
-				f1: false,
-				menu: [{
-					id: MenuId.EditorTitle,
-					group: 'navigation',
-					order: 0,
-					when: ActiveEditorContext.isEqualTo(ChatEditorInput.EditorID),
-				}]
-			});
-		}
-		async run(accessor: ServicesAccessor, ...args: any[]) {
-			const widgetService = accessor.get(IChatWidgetService);
-
-			const widget = widgetService.lastFocusedWidget;
-			if (!widget) {
-				return;
-			}
-
-			await clearChatEditor(accessor, widget);
-		}
-	});
-
 	registerAction2(class ClearChatHistoryAction extends Action2 {
 		constructor() {
 			super({
@@ -165,38 +133,6 @@ export function registerChatActions() {
 			widgetService.lastFocusedWidget?.focusInput();
 		}
 	});
-
-	registerAction2(class GlobalClearChatAction extends Action2 {
-		constructor() {
-			super({
-				id: `workbench.action.chat.clear`,
-				title: {
-					value: localize('interactiveSession.clear.label', "Clear"),
-					original: 'Clear'
-				},
-				category: CHAT_CATEGORY,
-				icon: Codicon.clearAll,
-				precondition: CONTEXT_PROVIDER_EXISTS,
-				f1: true,
-				keybinding: {
-					weight: KeybindingWeight.WorkbenchContrib,
-					primary: KeyMod.WinCtrl | KeyCode.KeyL,
-					when: CONTEXT_IN_CHAT_SESSION
-				}
-			});
-		}
-
-		async run(accessor: ServicesAccessor, ...args: any[]) {
-			const widgetService = accessor.get(IChatWidgetService);
-
-			const widget = widgetService.lastFocusedWidget;
-			if (!widget) {
-				return;
-			}
-
-			await clearChatSession(accessor, widget);
-		}
-	});
 }
 
 export function getOpenChatEditorAction(id: string, label: string, when?: string) {
@@ -218,36 +154,6 @@ export function getOpenChatEditorAction(id: string, label: string, when?: string
 	};
 }
 
-const getClearChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
-	viewId,
-	id: `workbench.action.chat.${providerId}.clear`,
-	title: {
-		value: localize('interactiveSession.clear.label', "Clear"),
-		original: 'Clear'
-	},
-	menu: {
-		id: MenuId.ViewTitle,
-		when: ContextKeyExpr.equals('view', viewId),
-		group: 'navigation',
-		order: 0
-	},
-	category: CHAT_CATEGORY,
-	icon: Codicon.clearAll,
-	f1: false
-});
-
-export function getClearAction(viewId: string, providerId: string) {
-	return class ClearAction extends ViewAction<ChatViewPane> {
-		constructor() {
-			super(getClearChatActionDescriptorForViewTitle(viewId, providerId));
-		}
-
-		async runInView(accessor: ServicesAccessor, view: ChatViewPane) {
-			await view.clear();
-		}
-	};
-}
-
 const getHistoryChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
 	viewId,
 	id: `workbench.action.chat.${providerId}.history`,
diff --git a/src/vs/workbench/contrib/chat/browser/actions/chatClear.ts b/src/vs/workbench/contrib/chat/browser/actions/chatClear.ts
index cb6795fbab4..f87796a56ef 100644
--- a/src/vs/workbench/contrib/chat/browser/actions/chatClear.ts
+++ b/src/vs/workbench/contrib/chat/browser/actions/chatClear.ts
@@ -5,16 +5,15 @@
 
 import { ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
 import { IViewsService } from 'vs/workbench/common/views';
-import { IChatWidgetService, type IChatViewPane, type IChatWidget } from 'vs/workbench/contrib/chat/browser/chat';
+import { type IChatViewPane, type IChatWidget } from 'vs/workbench/contrib/chat/browser/chat';
 import { IChatEditorOptions } from 'vs/workbench/contrib/chat/browser/chatEditor';
 import { ChatEditorInput } from 'vs/workbench/contrib/chat/browser/chatEditorInput';
 import { IEditorGroupsService } from 'vs/workbench/services/editor/common/editorGroupsService';
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 
 export async function clearChatSession(accessor: ServicesAccessor, widget: IChatWidget): Promise<void> {
-	const viewsService = accessor.get(IViewsService);
-
 	if ('viewId' in widget.viewContext) {
+		const viewsService = accessor.get(IViewsService);
 		// This cast is to break a circular dependency- ideally this would not be called directly for `/clear`
 		// from the widget class, but from some contribution.
 		const view = viewsService.getViewWithId(widget.viewContext.viewId);
@@ -24,17 +23,19 @@ export async function clearChatSession(accessor: ServicesAccessor, widget: IChat
 
 		(view as any as IChatViewPane).clear();
 	} else {
-		await clearChatEditor(accessor, widget);
+		await clearChatEditor(accessor);
 	}
 }
 
-export async function clearChatEditor(accessor: ServicesAccessor, widget: IChatWidget): Promise<void> {
+export async function clearChatEditor(accessor: ServicesAccessor): Promise<void> {
 	const editorService = accessor.get(IEditorService);
 	const editorGroupsService = accessor.get(IEditorGroupsService);
-	const widgetService = accessor.get(IChatWidgetService);
 
-	await editorService.replaceEditors([{
-		editor: editorService.activeEditor!,
-		replacement: { resource: ChatEditorInput.getNewEditorUri(), options: <IChatEditorOptions>{ target: { providerId: widgetService.lastFocusedWidget!.providerId, pinned: true } } }
-	}], editorGroupsService.activeGroup);
+	const chatEditorInput = editorService.activeEditor;
+	if (chatEditorInput instanceof ChatEditorInput && chatEditorInput.providerId) {
+		await editorService.replaceEditors([{
+			editor: chatEditorInput,
+			replacement: { resource: ChatEditorInput.getNewEditorUri(), options: <IChatEditorOptions>{ target: { providerId: chatEditorInput.providerId, pinned: true } } }
+		}], editorGroupsService.activeGroup);
+	}
 }
diff --git a/src/vs/workbench/contrib/chat/browser/actions/chatClearActions.ts b/src/vs/workbench/contrib/chat/browser/actions/chatClearActions.ts
new file mode 100644
index 00000000000..93ef5556d75
--- /dev/null
+++ b/src/vs/workbench/contrib/chat/browser/actions/chatClearActions.ts
@@ -0,0 +1,109 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Codicon } from 'vs/base/common/codicons';
+import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
+import { ServicesAccessor } from 'vs/editor/browser/editorExtensions';
+import { localize } from 'vs/nls';
+import { Action2, IAction2Options, MenuId, registerAction2 } from 'vs/platform/actions/common/actions';
+import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
+import { KeybindingWeight } from 'vs/platform/keybinding/common/keybindingsRegistry';
+import { ViewAction } from 'vs/workbench/browser/parts/views/viewPane';
+import { ActiveEditorContext } from 'vs/workbench/common/contextkeys';
+import { CHAT_CATEGORY } from 'vs/workbench/contrib/chat/browser/actions/chatActions';
+import { clearChatEditor, clearChatSession } from 'vs/workbench/contrib/chat/browser/actions/chatClear';
+import { IChatWidgetService } from 'vs/workbench/contrib/chat/browser/chat';
+import { ChatEditorInput } from 'vs/workbench/contrib/chat/browser/chatEditorInput';
+import { ChatViewPane } from 'vs/workbench/contrib/chat/browser/chatViewPane';
+import { CONTEXT_IN_CHAT_SESSION, CONTEXT_PROVIDER_EXISTS } from 'vs/workbench/contrib/chat/common/chatContextKeys';
+
+export function registerClearActions() {
+
+	registerAction2(class ClearEditorAction extends Action2 {
+		constructor() {
+			super({
+				id: 'workbench.action.chatEditor.clear',
+				title: {
+					value: localize('interactiveSession.clear.label', "Clear"),
+					original: 'Clear'
+				},
+				icon: Codicon.clearAll,
+				f1: false,
+				menu: [{
+					id: MenuId.EditorTitle,
+					group: 'navigation',
+					order: 0,
+					when: ActiveEditorContext.isEqualTo(ChatEditorInput.EditorID),
+				}]
+			});
+		}
+		async run(accessor: ServicesAccessor, ...args: any[]) {
+			await clearChatEditor(accessor);
+		}
+	});
+
+
+	registerAction2(class GlobalClearChatAction extends Action2 {
+		constructor() {
+			super({
+				id: `workbench.action.chat.clear`,
+				title: {
+					value: localize('interactiveSession.clear.label', "Clear"),
+					original: 'Clear'
+				},
+				category: CHAT_CATEGORY,
+				icon: Codicon.clearAll,
+				precondition: CONTEXT_PROVIDER_EXISTS,
+				f1: true,
+				keybinding: {
+					weight: KeybindingWeight.WorkbenchContrib,
+					primary: KeyMod.WinCtrl | KeyCode.KeyL,
+					when: CONTEXT_IN_CHAT_SESSION
+				}
+			});
+		}
+
+		async run(accessor: ServicesAccessor, ...args: any[]) {
+			const widgetService = accessor.get(IChatWidgetService);
+
+			const widget = widgetService.lastFocusedWidget;
+			if (!widget) {
+				return;
+			}
+
+			await clearChatSession(accessor, widget);
+		}
+	});
+}
+
+const getClearChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
+	viewId,
+	id: `workbench.action.chat.${providerId}.clear`,
+	title: {
+		value: localize('interactiveSession.clear.label', "Clear"),
+		original: 'Clear'
+	},
+	menu: {
+		id: MenuId.ViewTitle,
+		when: ContextKeyExpr.equals('view', viewId),
+		group: 'navigation',
+		order: 0
+	},
+	category: CHAT_CATEGORY,
+	icon: Codicon.clearAll,
+	f1: false
+});
+
+export function getClearAction(viewId: string, providerId: string) {
+	return class ClearAction extends ViewAction<ChatViewPane> {
+		constructor() {
+			super(getClearChatActionDescriptorForViewTitle(viewId, providerId));
+		}
+
+		async runInView(accessor: ServicesAccessor, view: ChatViewPane) {
+			await view.clear();
+		}
+	};
+}
diff --git a/src/vs/workbench/contrib/chat/browser/actions/chatMoveActions.ts b/src/vs/workbench/contrib/chat/browser/actions/chatMoveActions.ts
new file mode 100644
index 00000000000..9ea1e2fd1cc
--- /dev/null
+++ b/src/vs/workbench/contrib/chat/browser/actions/chatMoveActions.ts
@@ -0,0 +1,162 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { Codicon } from 'vs/base/common/codicons';
+import { localize } from 'vs/nls';
+import { Action2, IAction2Options, MenuId, registerAction2 } from 'vs/platform/actions/common/actions';
+import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
+import { ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
+import { ViewAction } from 'vs/workbench/browser/parts/views/viewPane';
+import { ActiveEditorContext } from 'vs/workbench/common/contextkeys';
+import { IViewsService } from 'vs/workbench/common/views';
+import { CHAT_CATEGORY } from 'vs/workbench/contrib/chat/browser/actions/chatActions';
+import { IChatWidgetService } from 'vs/workbench/contrib/chat/browser/chat';
+import { IChatEditorOptions } from 'vs/workbench/contrib/chat/browser/chatEditor';
+import { ChatEditorInput } from 'vs/workbench/contrib/chat/browser/chatEditorInput';
+import { ChatViewPane } from 'vs/workbench/contrib/chat/browser/chatViewPane';
+import { CONTEXT_PROVIDER_EXISTS } from 'vs/workbench/contrib/chat/common/chatContextKeys';
+import { IChatContributionService } from 'vs/workbench/contrib/chat/common/chatContributionService';
+import { IEditorGroupsService } from 'vs/workbench/services/editor/common/editorGroupsService';
+import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
+
+const getMoveToEditorChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
+	id: `workbench.action.chat.${providerId}.openInEditor`,
+	title: {
+		value: localize('chat.openInEditor.label', "Open In Editor"),
+		original: 'Open In Editor'
+	},
+	category: CHAT_CATEGORY,
+	icon: Codicon.arrowLeft,
+	precondition: CONTEXT_PROVIDER_EXISTS,
+	f1: false,
+	viewId,
+	menu: {
+		id: MenuId.ViewTitle,
+		when: ContextKeyExpr.and(ContextKeyExpr.equals('view', viewId), ContextKeyExpr.deserialize('config.chat.experimiental.moveIcons')),
+		group: 'navigation',
+		order: 0
+	},
+});
+
+export function getMoveToEditorAction(viewId: string, providerId: string) {
+	return class MoveToEditorAction extends ViewAction<ChatViewPane> {
+		constructor() {
+			super(getMoveToEditorChatActionDescriptorForViewTitle(viewId, providerId));
+		}
+
+		async runInView(accessor: ServicesAccessor, view: ChatViewPane) {
+			const viewModel = view.widget.viewModel;
+			if (!viewModel) {
+				return;
+			}
+
+			const editorService = accessor.get(IEditorService);
+			view.clear();
+			await editorService.openEditor({ resource: ChatEditorInput.getNewEditorUri(), options: <IChatEditorOptions>{ target: { sessionId: viewModel.sessionId }, pinned: true } });
+		}
+	};
+}
+
+const getMoveToSidebarChatActionDescriptorForViewTitle = (viewId: string, providerId: string): Readonly<IAction2Options> & { viewId: string } => ({
+	id: `workbench.action.chat.${providerId}.openInSidebar`,
+	title: {
+		value: localize('chat.openInSidebar.label', "Open In Sidebar"),
+		original: 'Open In Sidebar'
+	},
+	category: CHAT_CATEGORY,
+	icon: Codicon.arrowRight,
+	precondition: CONTEXT_PROVIDER_EXISTS,
+	f1: false, // TODO
+	viewId,
+	menu: [{
+		id: MenuId.EditorTitle,
+		group: 'navigation',
+		order: 0,
+		when: ContextKeyExpr.and(ActiveEditorContext.isEqualTo(ChatEditorInput.EditorID), ContextKeyExpr.deserialize('config.chat.experimental.moveIcons')),
+	}]
+});
+
+export function getMoveToSidebarAction(viewId: string, providerId: string) {
+	return class MoveToSidebarAction extends Action2 {
+		constructor() {
+			super(getMoveToSidebarChatActionDescriptorForViewTitle(viewId, providerId));
+		}
+
+		override async run(accessor: ServicesAccessor, ...args: any[]) {
+			return moveToSidebar(accessor);
+		}
+	};
+}
+
+async function moveToSidebar(accessor: ServicesAccessor): Promise<void> {
+	const viewsService = accessor.get(IViewsService);
+	const editorService = accessor.get(IEditorService);
+	const chatContribService = accessor.get(IChatContributionService);
+	const editorGroupService = accessor.get(IEditorGroupsService);
+
+	const chatEditorInput = editorService.activeEditor;
+	if (chatEditorInput instanceof ChatEditorInput && chatEditorInput.sessionId && chatEditorInput.providerId) {
+		await editorService.closeEditor({ editor: chatEditorInput, groupId: editorGroupService.activeGroup.id });
+		const viewId = chatContribService.getViewIdForProvider(chatEditorInput.providerId);
+		const view = await viewsService.openView(viewId) as ChatViewPane;
+		view.loadSession(chatEditorInput.sessionId);
+	}
+}
+
+export function registerMoveActions() {
+	registerAction2(class GlobalMoveToEditorAction extends Action2 {
+		constructor() {
+			super({
+				id: `workbench.action.chat.openInEditor`,
+				title: {
+					value: localize('interactiveSession.openInEditor.label', "Open Session In Editor"),
+					original: 'Open Session In Editor'
+				},
+				category: CHAT_CATEGORY,
+				precondition: CONTEXT_PROVIDER_EXISTS,
+				f1: true
+			});
+		}
+
+		async run(accessor: ServicesAccessor, ...args: any[]) {
+			const widgetService = accessor.get(IChatWidgetService);
+			const viewService = accessor.get(IViewsService);
+			const editorService = accessor.get(IEditorService);
+
+			const widget = widgetService.lastFocusedWidget;
+			if (!widget || !('viewId' in widget.viewContext)) {
+				return;
+			}
+
+			const viewModel = widget.viewModel;
+			if (!viewModel) {
+				return;
+			}
+
+			const view = await viewService.openView(widget.viewContext.viewId) as ChatViewPane;
+			await editorService.openEditor({ resource: ChatEditorInput.getNewEditorUri(), options: <IChatEditorOptions>{ target: { sessionId: viewModel.sessionId }, pinned: true } });
+			view.clear();
+		}
+	});
+
+	registerAction2(class GlobalMoveToSidebarAction extends Action2 {
+		constructor() {
+			super({
+				id: `workbench.action.chat.openInSidebar`,
+				title: {
+					value: localize('interactiveSession.openInSidebar.label', "Open Session In Sidebar"),
+					original: 'Open Session In Sidebar'
+				},
+				category: CHAT_CATEGORY,
+				precondition: CONTEXT_PROVIDER_EXISTS,
+				f1: true
+			});
+		}
+
+		async run(accessor: ServicesAccessor, ...args: any[]) {
+			return moveToSidebar(accessor);
+		}
+	});
+}
diff --git a/src/vs/workbench/contrib/chat/browser/actions/chatTitleActions.ts b/src/vs/workbench/contrib/chat/browser/actions/chatTitleActions.ts
index 40b6a5dc088..222d89dc682 100644
--- a/src/vs/workbench/contrib/chat/browser/actions/chatTitleActions.ts
+++ b/src/vs/workbench/contrib/chat/browser/actions/chatTitleActions.ts
@@ -9,11 +9,12 @@ import { ServicesAccessor } from 'vs/editor/browser/editorExtensions';
 import { IBulkEditService } from 'vs/editor/browser/services/bulkEditService';
 import { localize } from 'vs/nls';
 import { Action2, MenuId, registerAction2 } from 'vs/platform/actions/common/actions';
+import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
 import { ResourceNotebookCellEdit } from 'vs/workbench/contrib/bulkEdit/browser/bulkCellEdits';
 import { CHAT_CATEGORY } from 'vs/workbench/contrib/chat/browser/actions/chatActions';
-import { CONTEXT_RESPONSE_VOTE } from 'vs/workbench/contrib/chat/common/chatContextKeys';
+import { CONTEXT_REQUEST, CONTEXT_RESPONSE, CONTEXT_RESPONSE_VOTE } from 'vs/workbench/contrib/chat/common/chatContextKeys';
 import { IChatService, IChatUserActionEvent, InteractiveSessionVoteDirection } from 'vs/workbench/contrib/chat/common/chatService';
-import { isResponseVM } from 'vs/workbench/contrib/chat/common/chatViewModel';
+import { isRequestVM, isResponseVM } from 'vs/workbench/contrib/chat/common/chatViewModel';
 import { INotebookEditor } from 'vs/workbench/contrib/notebook/browser/notebookBrowser';
 import { CellEditType, CellKind, NOTEBOOK_EDITOR_ID } from 'vs/workbench/contrib/notebook/common/notebookCommon';
 import { NOTEBOOK_IS_ACTIVE_EDITOR } from 'vs/workbench/contrib/notebook/common/notebookContextKeys';
@@ -33,9 +34,10 @@ export function registerChatTitleActions() {
 				icon: Codicon.thumbsup,
 				toggled: CONTEXT_RESPONSE_VOTE.isEqualTo('up'),
 				menu: {
-					id: MenuId.ChatTitle,
+					id: MenuId.ChatMessageTitle,
 					group: 'navigation',
-					order: 1
+					order: 1,
+					when: CONTEXT_RESPONSE
 				}
 			});
 		}
@@ -72,9 +74,10 @@ export function registerChatTitleActions() {
 				icon: Codicon.thumbsdown,
 				toggled: CONTEXT_RESPONSE_VOTE.isEqualTo('down'),
 				menu: {
-					id: MenuId.ChatTitle,
+					id: MenuId.ChatMessageTitle,
 					group: 'navigation',
-					order: 2
+					order: 2,
+					when: CONTEXT_RESPONSE
 				}
 			});
 		}
@@ -110,10 +113,10 @@ export function registerChatTitleActions() {
 				category: CHAT_CATEGORY,
 				icon: Codicon.insert,
 				menu: {
-					id: MenuId.ChatTitle,
+					id: MenuId.ChatMessageTitle,
 					group: 'navigation',
 					isHiddenByDefault: true,
-					when: NOTEBOOK_IS_ACTIVE_EDITOR
+					when: ContextKeyExpr.and(NOTEBOOK_IS_ACTIVE_EDITOR, CONTEXT_RESPONSE)
 				}
 			});
 		}
@@ -172,6 +175,40 @@ export function registerChatTitleActions() {
 			}
 		}
 	});
+
+
+	registerAction2(class RemoveAction extends Action2 {
+		constructor() {
+			super({
+				id: 'workbench.action.chat.remove',
+				title: {
+					value: localize('chat.remove.label', "Remove Request and Response"),
+					original: 'Remove Request and Response'
+				},
+				f1: false,
+				category: CHAT_CATEGORY,
+				icon: Codicon.x,
+				menu: {
+					id: MenuId.ChatMessageTitle,
+					group: 'navigation',
+					order: 2,
+					when: CONTEXT_REQUEST
+				}
+			});
+		}
+
+		run(accessor: ServicesAccessor, ...args: any[]) {
+			const item = args[0];
+			if (!isRequestVM(item)) {
+				return;
+			}
+
+			const chatService = accessor.get(IChatService);
+			if (item.providerRequestId) {
+				chatService.removeRequest(item.sessionId, item.providerRequestId);
+			}
+		}
+	});
 }
 
 interface MarkdownContent {
diff --git a/src/vs/workbench/contrib/chat/browser/chat.contribution.ts b/src/vs/workbench/contrib/chat/browser/chat.contribution.ts
index e798ba93bfd..5cc837e3bfa 100644
--- a/src/vs/workbench/contrib/chat/browser/chat.contribution.ts
+++ b/src/vs/workbench/contrib/chat/browser/chat.contribution.ts
@@ -35,6 +35,7 @@ import { ChatWidgetHistoryService, IChatWidgetHistoryService } from 'vs/workbenc
 import { IEditorResolverService, RegisteredEditorPriority } from 'vs/workbench/services/editor/common/editorResolverService';
 import { LifecyclePhase } from 'vs/workbench/services/lifecycle/common/lifecycle';
 import '../common/chatColors';
+import { registerMoveActions } from 'vs/workbench/contrib/chat/browser/actions/chatMoveActions';
 
 // Register configuration
 const configurationRegistry = Registry.as<IConfigurationRegistry>(ConfigurationExtensions.Configuration);
@@ -128,6 +129,7 @@ registerChatTitleActions();
 registerChatExecuteActions();
 registerChatQuickQuestionActions();
 registerChatExportActions();
+registerMoveActions();
 
 registerSingleton(IChatService, ChatService, InstantiationType.Delayed);
 registerSingleton(IChatContributionService, ChatContributionService, InstantiationType.Delayed);
diff --git a/src/vs/workbench/contrib/chat/browser/chatContributionServiceImpl.ts b/src/vs/workbench/contrib/chat/browser/chatContributionServiceImpl.ts
index 5490cb2e1f7..94b1d453e1e 100644
--- a/src/vs/workbench/contrib/chat/browser/chatContributionServiceImpl.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatContributionServiceImpl.ts
@@ -16,7 +16,9 @@ import { IProductService } from 'vs/platform/product/common/productService';
 import { Registry } from 'vs/platform/registry/common/platform';
 import { ViewPaneContainer } from 'vs/workbench/browser/parts/views/viewPaneContainer';
 import { IViewContainersRegistry, IViewDescriptor, IViewsRegistry, ViewContainer, ViewContainerLocation, Extensions as ViewExtensions } from 'vs/workbench/common/views';
-import { getClearAction, getHistoryAction, getOpenChatEditorAction } from 'vs/workbench/contrib/chat/browser/actions/chatActions';
+import { getHistoryAction, getOpenChatEditorAction } from 'vs/workbench/contrib/chat/browser/actions/chatActions';
+import { getClearAction } from 'vs/workbench/contrib/chat/browser/actions/chatClearActions';
+import { getMoveToEditorAction, getMoveToSidebarAction } from 'vs/workbench/contrib/chat/browser/actions/chatMoveActions';
 import { IChatViewOptions, CHAT_SIDEBAR_PANEL_ID, ChatViewPane } from 'vs/workbench/contrib/chat/browser/chatViewPane';
 import { IChatContributionService, IChatProviderContribution, IRawChatProviderContribution } from 'vs/workbench/contrib/chat/common/chatContributionService';
 import * as extensionsRegistry from 'vs/workbench/services/extensions/common/extensionsRegistry';
@@ -136,20 +138,23 @@ export class ChatContributionService implements IChatContributionService {
 		}];
 		Registry.as<IViewsRegistry>(ViewExtensions.ViewsRegistry).registerViews(viewDescriptor, viewContainer);
 
+		// Per-provider actions
+
 		// Actions in view title
-		const historyAction = registerAction2(getHistoryAction(viewId, providerDescriptor.id));
-		const clearAction = registerAction2(getClearAction(viewId, providerDescriptor.id));
+		const disposables = new DisposableStore();
+		disposables.add(registerAction2(getHistoryAction(viewId, providerDescriptor.id)));
+		disposables.add(registerAction2(getClearAction(viewId, providerDescriptor.id)));
+		disposables.add(registerAction2(getMoveToEditorAction(viewId, providerDescriptor.id)));
+		disposables.add(registerAction2(getMoveToSidebarAction(viewId, providerDescriptor.id)));
 
 		// "Open Chat Editor" Action
-		const openEditor = registerAction2(getOpenChatEditorAction(providerDescriptor.id, providerDescriptor.label, providerDescriptor.when));
+		disposables.add(registerAction2(getOpenChatEditorAction(providerDescriptor.id, providerDescriptor.label, providerDescriptor.when)));
 
 		return {
 			dispose: () => {
 				Registry.as<IViewsRegistry>(ViewExtensions.ViewsRegistry).deregisterViews(viewDescriptor, viewContainer);
 				Registry.as<IViewContainersRegistry>(ViewExtensions.ViewContainersRegistry).deregisterViewContainer(viewContainer);
-				clearAction.dispose();
-				historyAction.dispose();
-				openEditor.dispose();
+				disposables.dispose();
 			}
 		};
 	}
diff --git a/src/vs/workbench/contrib/chat/browser/chatEditorInput.ts b/src/vs/workbench/contrib/chat/browser/chatEditorInput.ts
index 42ed0215e03..8ec44820262 100644
--- a/src/vs/workbench/contrib/chat/browser/chatEditorInput.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatEditorInput.ts
@@ -88,6 +88,7 @@ export class ChatEditorInput extends EditorInput {
 		}
 
 		this.sessionId = this.model.sessionId;
+		this.providerId = this.model.providerId;
 		await this.model.waitForInitialization();
 		this._register(this.model.onDidChange(() => this._onDidChangeLabel.fire()));
 
diff --git a/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts b/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts
index f8decdfdd46..8ae6050e0c0 100644
--- a/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts
@@ -54,12 +54,13 @@ import { IChatCodeBlockActionContext } from 'vs/workbench/contrib/chat/browser/a
 import { IChatCodeBlockInfo } from 'vs/workbench/contrib/chat/browser/chat';
 import { ChatFollowups } from 'vs/workbench/contrib/chat/browser/chatFollowups';
 import { ChatEditorOptions } from 'vs/workbench/contrib/chat/browser/chatOptions';
-import { CONTEXT_RESPONSE_HAS_PROVIDER_ID, CONTEXT_RESPONSE_VOTE } from 'vs/workbench/contrib/chat/common/chatContextKeys';
+import { CONTEXT_REQUEST, CONTEXT_RESPONSE, CONTEXT_RESPONSE_HAS_PROVIDER_ID, CONTEXT_RESPONSE_VOTE } from 'vs/workbench/contrib/chat/common/chatContextKeys';
 import { IChatReplyFollowup, IChatService, ISlashCommand, InteractiveSessionVoteDirection } from 'vs/workbench/contrib/chat/common/chatService';
 import { IChatRequestViewModel, IChatResponseViewModel, IChatWelcomeMessageViewModel, isRequestVM, isResponseVM, isWelcomeVM } from 'vs/workbench/contrib/chat/common/chatViewModel';
 import { IWordCountResult, getNWords } from 'vs/workbench/contrib/chat/common/chatWordCounter';
 import { IAccessibilityService } from 'vs/platform/accessibility/common/accessibility';
 import { AccessibilityVerbositySettingId } from 'vs/workbench/contrib/accessibility/browser/accessibilityContribution';
+import { marked } from 'vs/base/common/marked/marked';
 
 const $ = dom.$;
 
@@ -116,7 +117,7 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 		@ILogService private readonly logService: ILogService,
 		@ICommandService private readonly commandService: ICommandService,
 		@IContextKeyService private readonly contextKeyService: IContextKeyService,
-		@IChatService private readonly chatService: IChatService,
+		@IChatService private readonly chatService: IChatService
 	) {
 		super();
 		this.renderer = this.instantiationService.createInstance(MarkdownRenderer, {});
@@ -192,12 +193,12 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 
 		const contextKeyService = templateDisposables.add(this.contextKeyService.createScoped(rowContainer));
 		const scopedInstantiationService = this.instantiationService.createChild(new ServiceCollection([IContextKeyService, contextKeyService]));
-		const titleToolbar = templateDisposables.add(scopedInstantiationService.createInstance(MenuWorkbenchToolBar, header, MenuId.ChatTitle, {
+		const titleToolbar = templateDisposables.add(scopedInstantiationService.createInstance(MenuWorkbenchToolBar, header, MenuId.ChatMessageTitle, {
 			menuOptions: {
 				shouldForwardArgs: true
 			},
 			actionViewItemProvider: (action: IAction, options: IActionViewItemOptions) => {
-				if (action instanceof MenuItemAction) {
+				if (action instanceof MenuItemAction && (action.item.id === 'workbench.action.chat.voteDown' || action.item.id === 'workbench.action.chat.voteUp')) {
 					return scopedInstantiationService.createInstance(ChatVoteButton, action, options as IMenuEntryActionViewItemOptions);
 				}
 
@@ -217,6 +218,8 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 				'welcome';
 		this.traceLayout('renderElement', `${kind}, index=${index}`);
 
+		CONTEXT_RESPONSE.bindTo(templateData.contextKeyService).set(isResponseVM(element));
+		CONTEXT_REQUEST.bindTo(templateData.contextKeyService).set(isRequestVM(element));
 		CONTEXT_RESPONSE_HAS_PROVIDER_ID.bindTo(templateData.contextKeyService).set(isResponseVM(element) && !!element.providerResponseId);
 		if (isResponseVM(element)) {
 			CONTEXT_RESPONSE_VOTE.bindTo(templateData.contextKeyService).set(element.vote === InteractiveSessionVoteDirection.Up ? 'up' : element.vote === InteractiveSessionVoteDirection.Down ? 'down' : '');
@@ -515,7 +518,6 @@ export class ChatListDelegate implements IListVirtualDelegate<ChatTreeItem> {
 }
 
 export class ChatAccessibilityProvider implements IListAccessibilityProvider<ChatTreeItem> {
-
 	getWidgetRole(): AriaRole {
 		return 'list';
 	}
@@ -534,7 +536,7 @@ export class ChatAccessibilityProvider implements IListAccessibilityProvider<Cha
 		}
 
 		if (isResponseVM(element)) {
-			return element.response.value;
+			return this._getLabelWithCodeBlockCount(element);
 		}
 
 		if (isWelcomeVM(element)) {
@@ -543,6 +545,18 @@ export class ChatAccessibilityProvider implements IListAccessibilityProvider<Cha
 
 		return '';
 	}
+
+	private _getLabelWithCodeBlockCount(element: IChatResponseViewModel): string {
+		const codeBlockCount = marked.lexer(element.response.value).filter(token => token.type === 'code')?.length ?? 0;
+		switch (codeBlockCount) {
+			case 0:
+				return element.response.value;
+			case 1:
+				return localize('singleCodeBlock', "1 code block, {0}", element.response.value);
+			default:
+				return localize('multiCodeBlock', "{0} code blocks, {1}", codeBlockCount, element.response.value);
+		}
+	}
 }
 
 interface IChatResultCodeBlockData {
@@ -634,7 +648,6 @@ class CodeBlockPart extends Disposable implements IChatResultCodeBlockPart {
 			])
 		}));
 
-
 		this._register(this.options.onDidChange(() => {
 			this.editor.updateOptions(this.getEditorOptionsFromConfig());
 		}));
@@ -723,7 +736,7 @@ class CodeBlockPart extends Disposable implements IChatResultCodeBlockPart {
 		this.setLanguage(vscodeLanguageId);
 
 		this.layout(width);
-
+		this.editor.updateOptions({ ariaLabel: localize('chat.codeBlockLabel', "Code block {0}", data.codeBlockIndex + 1) });
 		this.toolbar.context = <IChatCodeBlockActionContext>{
 			code: data.text,
 			codeBlockIndex: data.codeBlockIndex,
diff --git a/src/vs/workbench/contrib/chat/browser/chatViewPane.ts b/src/vs/workbench/contrib/chat/browser/chatViewPane.ts
index 4bfa2aae538..5f319d4eb0e 100644
--- a/src/vs/workbench/contrib/chat/browser/chatViewPane.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatViewPane.ts
@@ -115,8 +115,17 @@ export class ChatViewPane extends ViewPane implements IChatViewPane {
 	async clear(): Promise<void> {
 		if (this.widget.viewModel) {
 			this.chatService.clearSession(this.widget.viewModel.sessionId);
-			this.updateModel();
 		}
+		this.updateModel();
+	}
+
+	loadSession(sessionId: string): void {
+		if (this.widget.viewModel) {
+			this.chatService.clearSession(this.widget.viewModel.sessionId);
+		}
+
+		const newModel = this.chatService.getOrRestoreSession(sessionId);
+		this.updateModel(newModel);
 	}
 
 	focusInput(): void {
diff --git a/src/vs/workbench/contrib/chat/browser/media/chat.css b/src/vs/workbench/contrib/chat/browser/media/chat.css
index 37fc4519cbc..826123e4133 100644
--- a/src/vs/workbench/contrib/chat/browser/media/chat.css
+++ b/src/vs/workbench/contrib/chat/browser/media/chat.css
@@ -65,8 +65,8 @@
 	color: var(--vscode-badge-foreground) !important;
 }
 
-.interactive-item-container:not(.interactive-response:hover) .header .monaco-toolbar,
-.interactive-item-container:not(.interactive-response:hover) .header .monaco-toolbar .action-label {
+.monaco-list-row:not(.focused) .interactive-item-container:not(:hover) .header .monaco-toolbar,
+.monaco-list-row:not(.focused) .interactive-item-container:not(:hover) .header .monaco-toolbar .action-label {
 	/* Also apply this rule to the .action-label directly to work around a strange issue- when the
 	toolbar is hidden without that second rule, tabbing from the list container into a list item doesn't work
 	and the tab key doesn't do anything. */
diff --git a/src/vs/workbench/contrib/chat/common/chatContextKeys.ts b/src/vs/workbench/contrib/chat/common/chatContextKeys.ts
index 8921237759a..7509c369304 100644
--- a/src/vs/workbench/contrib/chat/common/chatContextKeys.ts
+++ b/src/vs/workbench/contrib/chat/common/chatContextKeys.ts
@@ -10,6 +10,9 @@ export const CONTEXT_RESPONSE_HAS_PROVIDER_ID = new RawContextKey<boolean>('chat
 export const CONTEXT_RESPONSE_VOTE = new RawContextKey<string>('chatSessionResponseVote', '', { type: 'string', description: localize('interactiveSessionResponseVote', "When the response has been voted up, is set to 'up'. When voted down, is set to 'down'. Otherwise an empty string.") });
 export const CONTEXT_CHAT_REQUEST_IN_PROGRESS = new RawContextKey<boolean>('chatSessionRequestInProgress', false, { type: 'boolean', description: localize('interactiveSessionRequestInProgress', "True when the current request is still in progress.") });
 
+export const CONTEXT_RESPONSE = new RawContextKey<boolean>('chatResponse', false, { type: 'boolean', description: localize('chatResponse', "The chat item is a response.") });
+export const CONTEXT_REQUEST = new RawContextKey<boolean>('chatRequest', false, { type: 'boolean', description: localize('chatRequest', "The chat item is a request") });
+
 export const CONTEXT_CHAT_INPUT_HAS_TEXT = new RawContextKey<boolean>('chatInputHasText', false, { type: 'boolean', description: localize('interactiveInputHasText', "True when the chat input has text.") });
 export const CONTEXT_IN_CHAT_INPUT = new RawContextKey<boolean>('inChatInput', false, { type: 'boolean', description: localize('inInteractiveInput', "True when focus is in the chat input, false otherwise.") });
 export const CONTEXT_IN_CHAT_SESSION = new RawContextKey<boolean>('inChat', false, { type: 'boolean', description: localize('inChat', "True when focus is in the chat widget, false otherwise.") });
diff --git a/src/vs/workbench/contrib/chat/common/chatModel.ts b/src/vs/workbench/contrib/chat/common/chatModel.ts
index f614c7d38fb..21624ebe168 100644
--- a/src/vs/workbench/contrib/chat/common/chatModel.ts
+++ b/src/vs/workbench/contrib/chat/common/chatModel.ts
@@ -14,6 +14,7 @@ import { IChat, IChatFollowup, IChatProgress, IChatReplyFollowup, IChatResponse,
 
 export interface IChatRequestModel {
 	readonly id: string;
+	readonly providerRequestId: string | undefined;
 	readonly username: string;
 	readonly avatarIconUri?: URI;
 	readonly session: IChatModel;
@@ -56,6 +57,10 @@ export class ChatRequestModel implements IChatRequestModel {
 		return this._id;
 	}
 
+	public get providerRequestId(): string | undefined {
+		return this._providerRequestId;
+	}
+
 	public get username(): string {
 		return this.session.requesterUsername;
 	}
@@ -66,9 +71,14 @@ export class ChatRequestModel implements IChatRequestModel {
 
 	constructor(
 		public readonly session: ChatModel,
-		public readonly message: string | IChatReplyFollowup) {
+		public readonly message: string | IChatReplyFollowup,
+		private _providerRequestId?: string) {
 		this._id = 'request_' + ChatRequestModel.nextId++;
 	}
+
+	setProviderRequestId(providerRequestId: string) {
+		this._providerRequestId = providerRequestId;
+	}
 }
 
 export class ChatResponseModel extends Disposable implements IChatResponseModel {
@@ -189,7 +199,7 @@ export interface ISerializableChatsData {
 }
 
 export interface ISerializableChatRequestData {
-	providerResponseId: string | undefined;
+	providerRequestId: string | undefined;
 	message: string;
 	response: string | undefined;
 	responseErrorDetails: IChatResponseErrorDetails | undefined;
@@ -230,7 +240,7 @@ export function isSerializableSessionData(obj: unknown): obj is ISerializableCha
 		typeof data.sessionId === 'string';
 }
 
-export type IChatChangeEvent = IChatAddRequestEvent | IChatAddResponseEvent | IChatInitEvent;
+export type IChatChangeEvent = IChatAddRequestEvent | IChatAddResponseEvent | IChatInitEvent | IChatRemoveRequestEvent;
 
 export interface IChatAddRequestEvent {
 	kind: 'addRequest';
@@ -242,6 +252,12 @@ export interface IChatAddResponseEvent {
 	response: IChatResponseModel;
 }
 
+export interface IChatRemoveRequestEvent {
+	kind: 'removeRequest';
+	requestId: string;
+	responseId?: string;
+}
+
 export interface IChatInitEvent {
 	kind: 'initialize';
 }
@@ -360,9 +376,9 @@ export class ChatModel extends Disposable implements IChatModel {
 		}
 
 		return requests.map((raw: ISerializableChatRequestData) => {
-			const request = new ChatRequestModel(this, raw.message);
+			const request = new ChatRequestModel(this, raw.message, raw.providerRequestId);
 			if (raw.response || raw.responseErrorDetails) {
-				request.response = new ChatResponseModel(new MarkdownString(raw.response), this, true, raw.isCanceled, raw.vote, raw.providerResponseId, raw.responseErrorDetails, raw.followups);
+				request.response = new ChatResponseModel(new MarkdownString(raw.response), this, true, raw.isCanceled, raw.vote, raw.providerRequestId, raw.responseErrorDetails, raw.followups);
 			}
 			return request;
 		});
@@ -433,7 +449,22 @@ export class ChatModel extends Disposable implements IChatModel {
 		if ('content' in progress) {
 			request.response.updateContent(progress.content);
 		} else {
-			request.response.setProviderResponseId(progress.responseId);
+			request.setProviderRequestId(progress.requestId);
+			request.response.setProviderResponseId(progress.requestId);
+		}
+	}
+
+	removeRequest(requestId: string): void {
+		const index = this._requests.findIndex(request => request.providerRequestId === requestId);
+		const request = this._requests[index];
+		if (!request.providerRequestId) {
+			return;
+		}
+
+		if (index !== -1) {
+			this._onDidChange.fire({ kind: 'removeRequest', requestId: request.providerRequestId, responseId: request.response?.providerResponseId });
+			this._requests.splice(index, 1);
+			request.response?.dispose();
 		}
 	}
 
@@ -484,7 +515,7 @@ export class ChatModel extends Disposable implements IChatModel {
 			}),
 			requests: this._requests.map((r): ISerializableChatRequestData => {
 				return {
-					providerResponseId: r.response?.providerResponseId,
+					providerRequestId: r.providerRequestId,
 					message: typeof r.message === 'string' ? r.message : r.message.message,
 					response: r.response ? r.response.response.value : undefined,
 					responseErrorDetails: r.response?.errorDetails,
diff --git a/src/vs/workbench/contrib/chat/common/chatService.ts b/src/vs/workbench/contrib/chat/common/chatService.ts
index 82d07f0c8d0..ea5a903a5e9 100644
--- a/src/vs/workbench/contrib/chat/common/chatService.ts
+++ b/src/vs/workbench/contrib/chat/common/chatService.ts
@@ -43,7 +43,7 @@ export interface IChatResponse {
 }
 
 export type IChatProgress =
-	{ content: string } | { responseId: string };
+	{ content: string } | { requestId: string };
 
 export interface IPersistedChatState { }
 export interface IChatProvider {
@@ -56,6 +56,7 @@ export interface IChatProvider {
 	provideFollowups?(session: IChat, token: CancellationToken): ProviderResult<IChatFollowup[] | undefined>;
 	provideReply(request: IChatRequest, progress: (progress: IChatProgress) => void, token: CancellationToken): ProviderResult<IChatResponse>;
 	provideSlashCommands?(session: IChat, token: CancellationToken): ProviderResult<ISlashCommand[]>;
+	removeRequest?(session: IChat, requestId: string): void;
 }
 
 export interface ISlashCommandProvider {
@@ -186,6 +187,7 @@ export interface IChatService {
 	 * Returns whether the request was accepted.
 	 */
 	sendRequest(sessionId: string, message: string | IChatReplyFollowup): Promise<{ responseCompletePromise: Promise<void> } | undefined>;
+	removeRequest(sessionid: string, requestId: string): Promise<void>;
 	cancelCurrentRequestForSession(sessionId: string): void;
 	getSlashCommands(sessionId: string, token: CancellationToken): Promise<ISlashCommand[] | undefined>;
 	clearSession(sessionId: string): void;
diff --git a/src/vs/workbench/contrib/chat/common/chatServiceImpl.ts b/src/vs/workbench/contrib/chat/common/chatServiceImpl.ts
index 45ec1a33217..6126c29b26d 100644
--- a/src/vs/workbench/contrib/chat/common/chatServiceImpl.ts
+++ b/src/vs/workbench/contrib/chat/common/chatServiceImpl.ts
@@ -357,7 +357,7 @@ export class ChatService extends Disposable implements IChatService {
 				if ('content' in progress) {
 					this.trace('sendRequest', `Provider returned progress for session ${model.sessionId}, ${progress.content.length} chars`);
 				} else {
-					this.trace('sendRequest', `Provider returned id for session ${model.sessionId}, ${progress.responseId}`);
+					this.trace('sendRequest', `Provider returned id for session ${model.sessionId}, ${progress.requestId}`);
 				}
 
 				model.acceptResponseProgress(request, progress);
@@ -414,6 +414,22 @@ export class ChatService extends Disposable implements IChatService {
 		return rawResponsePromise;
 	}
 
+	async removeRequest(sessionId: string, requestId: string): Promise<void> {
+		const model = this._sessionModels.get(sessionId);
+		if (!model) {
+			throw new Error(`Unknown session: ${sessionId}`);
+		}
+
+		await model.waitForInitialization();
+		const provider = this._providers.get(model.providerId);
+		if (!provider) {
+			throw new Error(`Unknown provider: ${model.providerId}`);
+		}
+
+		model.removeRequest(requestId);
+		provider.removeRequest?.(model.session!, requestId);
+	}
+
 	private async handleSlashCommand(sessionId: string, command: string): Promise<string> {
 		const slashCommands = await this.getSlashCommands(sessionId, CancellationToken.None);
 		for (const slashCommand of slashCommands ?? []) {
diff --git a/src/vs/workbench/contrib/chat/common/chatViewModel.ts b/src/vs/workbench/contrib/chat/common/chatViewModel.ts
index ba66ad2c6cd..fb1cc56bb45 100644
--- a/src/vs/workbench/contrib/chat/common/chatViewModel.ts
+++ b/src/vs/workbench/contrib/chat/common/chatViewModel.ts
@@ -39,6 +39,8 @@ export interface IChatViewModel {
 
 export interface IChatRequestViewModel {
 	readonly id: string;
+	readonly providerRequestId: string | undefined;
+	readonly sessionId: string;
 	/** This ID updates every time the underlying data changes */
 	readonly dataId: string;
 	readonly username: string;
@@ -64,6 +66,7 @@ export interface IChatLiveUpdateData {
 export interface IChatResponseViewModel {
 	readonly onDidChange: Event<void>;
 	readonly id: string;
+	readonly sessionId: string;
 	/** This ID updates every time the underlying data changes */
 	readonly dataId: string;
 	readonly providerId: string;
@@ -91,7 +94,7 @@ export class ChatViewModel extends Disposable implements IChatViewModel {
 	private readonly _onDidChange = this._register(new Emitter<void>());
 	readonly onDidChange = this._onDidChange.event;
 
-	private readonly _items: (IChatRequestViewModel | IChatResponseViewModel)[] = [];
+	private readonly _items: (ChatRequestViewModel | ChatResponseViewModel)[] = [];
 
 	get inputPlaceholder(): string | undefined {
 		return this._model.inputPlaceholder;
@@ -135,6 +138,20 @@ export class ChatViewModel extends Disposable implements IChatViewModel {
 				}
 			} else if (e.kind === 'addResponse') {
 				this.onAddResponse(e.response);
+			} else if (e.kind === 'removeRequest') {
+				const requestIdx = this._items.findIndex(item => isRequestVM(item) && item.providerRequestId === e.requestId);
+				if (requestIdx >= 0) {
+					this._items.splice(requestIdx, 1);
+				}
+
+				const responseIdx = e.responseId && this._items.findIndex(item => isResponseVM(item) && item.providerResponseId === e.responseId);
+				if (typeof responseIdx === 'number' && responseIdx >= 0) {
+					const items = this._items.splice(responseIdx, 1);
+					const item = items[0];
+					if (isResponseVM(item)) {
+						item.dispose();
+					}
+				}
 			}
 
 			this._onDidChange.fire();
@@ -147,7 +164,7 @@ export class ChatViewModel extends Disposable implements IChatViewModel {
 		this._items.push(response);
 	}
 
-	getItems() {
+	getItems(): (IChatRequestViewModel | IChatResponseViewModel | IChatWelcomeMessageViewModel)[] {
 		return [...(this._model.welcomeMessage ? [this._model.welcomeMessage] : []), ...this._items];
 	}
 
@@ -164,10 +181,18 @@ export class ChatRequestViewModel implements IChatRequestViewModel {
 		return this._model.id;
 	}
 
+	get providerRequestId() {
+		return this._model.providerRequestId;
+	}
+
 	get dataId() {
 		return this.id + (this._model.session.isInitialized ? '' : '_initializing');
 	}
 
+	get sessionId() {
+		return this._model.session.sessionId;
+	}
+
 	get username() {
 		return this._model.username;
 	}
@@ -211,6 +236,10 @@ export class ChatResponseViewModel extends Disposable implements IChatResponseVi
 		return this._model.providerResponseId;
 	}
 
+	get sessionId() {
+		return this._model.session.sessionId;
+	}
+
 	get username() {
 		return this._model.username;
 	}
diff --git a/src/vs/workbench/contrib/experiments/common/experimentService.ts b/src/vs/workbench/contrib/experiments/common/experimentService.ts
index 297b08a29af..24a46094bf9 100644
--- a/src/vs/workbench/contrib/experiments/common/experimentService.ts
+++ b/src/vs/workbench/contrib/experiments/common/experimentService.ts
@@ -233,7 +233,7 @@ export class ExperimentService extends Disposable implements IExperimentService
 			return []; // TODO@sbatten add CLI argument (https://github.com/microsoft/vscode-internalbacklog/issues/2855)
 		}
 
-		const experimentsUrl = this.configurationService.getValue<string>('_workbench.experimentsUrl') || this.productService.experimentsUrl;
+		const experimentsUrl = this.productService.experimentsUrl;
 		if (!experimentsUrl || this.configurationService.getValue('workbench.enableExperiments') === false) {
 			return [];
 		}
diff --git a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorActions.ts b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorActions.ts
index 4946a918df2..d3fcd21a689 100644
--- a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorActions.ts
+++ b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorActions.ts
@@ -12,7 +12,7 @@ import { EditorContextKeys } from 'vs/editor/common/editorContextKeys';
 import { InteractiveEditorController, InteractiveEditorRunOptions } from 'vs/workbench/contrib/interactiveEditor/browser/interactiveEditorController';
 import { CTX_INTERACTIVE_EDITOR_FOCUSED, CTX_INTERACTIVE_EDITOR_HAS_ACTIVE_REQUEST, CTX_INTERACTIVE_EDITOR_HAS_PROVIDER, CTX_INTERACTIVE_EDITOR_INNER_CURSOR_FIRST, CTX_INTERACTIVE_EDITOR_INNER_CURSOR_LAST, CTX_INTERACTIVE_EDITOR_EMPTY, CTX_INTERACTIVE_EDITOR_OUTER_CURSOR_POSITION, CTX_INTERACTIVE_EDITOR_VISIBLE, MENU_INTERACTIVE_EDITOR_WIDGET, MENU_INTERACTIVE_EDITOR_WIDGET_DISCARD, MENU_INTERACTIVE_EDITOR_WIDGET_STATUS, CTX_INTERACTIVE_EDITOR_LAST_FEEDBACK, CTX_INTERACTIVE_EDITOR_SHOWING_DIFF, CTX_INTERACTIVE_EDITOR_EDIT_MODE, EditMode, CTX_INTERACTIVE_EDITOR_LAST_RESPONSE_TYPE, MENU_INTERACTIVE_EDITOR_WIDGET_MARKDOWN_MESSAGE, CTX_INTERACTIVE_EDITOR_MESSAGE_CROP_STATE, CTX_INTERACTIVE_EDITOR_DOCUMENT_CHANGED, CTX_INTERACTIVE_EDITOR_DID_EDIT } from 'vs/workbench/contrib/interactiveEditor/common/interactiveEditor';
 import { localize } from 'vs/nls';
-import { IAction2Options } from 'vs/platform/actions/common/actions';
+import { IAction2Options, MenuRegistry } from 'vs/platform/actions/common/actions';
 import { IClipboardService } from 'vs/platform/clipboard/common/clipboardService';
 import { ContextKeyExpr } from 'vs/platform/contextkey/common/contextkey';
 import { ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
@@ -25,6 +25,7 @@ import { Range } from 'vs/editor/common/core/range';
 import { fromNow } from 'vs/base/common/date';
 import { IInteractiveEditorSessionService, Recording } from 'vs/workbench/contrib/interactiveEditor/browser/interactiveEditorSession';
 import { runAccessibilityHelpAction } from 'vs/workbench/contrib/chat/browser/actions/chatAccessibilityHelp';
+import { CONTEXT_ACCESSIBILITY_MODE_ENABLED } from 'vs/platform/accessibility/common/accessibility';
 
 
 export class StartSessionAction extends EditorAction2 {
@@ -157,7 +158,7 @@ export class ArrowOutUpAction extends AbstractInteractiveEditorAction {
 		super({
 			id: 'interactiveEditor.arrowOutUp',
 			title: localize('arrowUp', 'Cursor Up'),
-			precondition: ContextKeyExpr.and(CTX_INTERACTIVE_EDITOR_FOCUSED, CTX_INTERACTIVE_EDITOR_INNER_CURSOR_FIRST, EditorContextKeys.isEmbeddedDiffEditor.negate()),
+			precondition: ContextKeyExpr.and(CTX_INTERACTIVE_EDITOR_FOCUSED, CTX_INTERACTIVE_EDITOR_INNER_CURSOR_FIRST, EditorContextKeys.isEmbeddedDiffEditor.negate(), CONTEXT_ACCESSIBILITY_MODE_ENABLED.negate()),
 			keybinding: {
 				weight: KeybindingWeight.EditorCore,
 				primary: KeyCode.UpArrow
@@ -175,7 +176,7 @@ export class ArrowOutDownAction extends AbstractInteractiveEditorAction {
 		super({
 			id: 'interactiveEditor.arrowOutDown',
 			title: localize('arrowDown', 'Cursor Down'),
-			precondition: ContextKeyExpr.and(CTX_INTERACTIVE_EDITOR_FOCUSED, CTX_INTERACTIVE_EDITOR_INNER_CURSOR_LAST, EditorContextKeys.isEmbeddedDiffEditor.negate()),
+			precondition: ContextKeyExpr.and(CTX_INTERACTIVE_EDITOR_FOCUSED, CTX_INTERACTIVE_EDITOR_INNER_CURSOR_LAST, EditorContextKeys.isEmbeddedDiffEditor.negate(), CONTEXT_ACCESSIBILITY_MODE_ENABLED.negate()),
 			keybinding: {
 				weight: KeybindingWeight.EditorCore,
 				primary: KeyCode.DownArrow
@@ -195,7 +196,7 @@ export class FocusInteractiveEditor extends EditorAction2 {
 			id: 'interactiveEditor.focus',
 			title: localize('focus', 'Focus'),
 			category: AbstractInteractiveEditorAction.category,
-			precondition: ContextKeyExpr.and(EditorContextKeys.editorTextFocus, CTX_INTERACTIVE_EDITOR_VISIBLE, CTX_INTERACTIVE_EDITOR_FOCUSED.negate()),
+			precondition: ContextKeyExpr.and(EditorContextKeys.editorTextFocus, CTX_INTERACTIVE_EDITOR_VISIBLE, CTX_INTERACTIVE_EDITOR_FOCUSED.negate(), CONTEXT_ACCESSIBILITY_MODE_ENABLED.negate()),
 			keybinding: [{
 				weight: KeybindingWeight.EditorCore + 10, // win against core_command
 				when: ContextKeyExpr.and(CTX_INTERACTIVE_EDITOR_OUTER_CURSOR_POSITION.isEqualTo('above'), EditorContextKeys.isEmbeddedDiffEditor.negate()),
@@ -251,6 +252,17 @@ export class NextFromHistory extends AbstractInteractiveEditorAction {
 	}
 }
 
+MenuRegistry.appendMenuItem(MENU_INTERACTIVE_EDITOR_WIDGET_STATUS, {
+	submenu: MENU_INTERACTIVE_EDITOR_WIDGET_DISCARD,
+	title: localize('discardMenu', "Discard..."),
+	icon: Codicon.discard,
+	group: '0_main',
+	order: 2,
+	when: CTX_INTERACTIVE_EDITOR_EDIT_MODE.notEqualsTo(EditMode.Preview),
+	rememberDefaultAction: true
+});
+
+
 export class DicardAction extends AbstractInteractiveEditorAction {
 
 	constructor() {
@@ -261,7 +273,7 @@ export class DicardAction extends AbstractInteractiveEditorAction {
 			precondition: CTX_INTERACTIVE_EDITOR_VISIBLE,
 			keybinding: {
 				weight: KeybindingWeight.EditorContrib,
-				primary: KeyMod.Shift + KeyCode.Escape
+				primary: KeyMod.CtrlCmd + KeyCode.Escape
 			},
 			menu: {
 				id: MENU_INTERACTIVE_EDITOR_WIDGET_DISCARD,
diff --git a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorController.ts b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorController.ts
index 03c5622c67c..3e92d40d233 100644
--- a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorController.ts
+++ b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorController.ts
@@ -276,7 +276,7 @@ export class InteractiveEditorController implements IEditorContribution {
 			this._activeSession!.recordExternalEditOccurred(editIsOutsideOfWholeRange);
 
 			if (editIsOutsideOfWholeRange) {
-				this._logService.trace('[IE] text changed outside of whole range, FINISH session');
+				this._logService.info('[IE] text changed outside of whole range, FINISH session');
 				this._finishExistingSession();
 			}
 		}));
diff --git a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorLivePreviewWidget.ts b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorLivePreviewWidget.ts
index fff40debc32..b3ad4943088 100644
--- a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorLivePreviewWidget.ts
+++ b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorLivePreviewWidget.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { Dimension, h } from 'vs/base/browser/dom';
-import { MutableDisposable } from 'vs/base/common/lifecycle';
+import { DisposableStore, MutableDisposable } from 'vs/base/common/lifecycle';
 import { assertType } from 'vs/base/common/types';
 import { ICodeEditor, IDiffEditor } from 'vs/editor/browser/editorBrowser';
 import { EmbeddedCodeEditorWidget, EmbeddedDiffEditorWidget } from 'vs/editor/browser/widget/embeddedCodeEditorWidget';
@@ -38,6 +38,7 @@ export class InteractiveEditorLivePreviewWidget extends ZoneWidget {
 
 	private readonly _elements = h('div.interactive-editor-diff-widget@domNode');
 
+	private readonly _sessionStore = this._disposables.add(new DisposableStore());
 	private readonly _diffEditor: IDiffEditor;
 	private readonly _inlineDiffDecorations: IEditorDecorationsCollection;
 	private _dim: Dimension | undefined;
@@ -123,12 +124,27 @@ export class InteractiveEditorLivePreviewWidget extends ZoneWidget {
 	override hide(): void {
 		this._cleanupFullDiff();
 		this._cleanupInlineDiff();
+		this._sessionStore.clear();
 		super.hide();
 		this._isVisible = false;
 	}
 
 	override show(): void {
 		assertType(this.editor.hasModel());
+		this._sessionStore.clear();
+
+		this._sessionStore.add(this._diffEditor.onDidUpdateDiff(() => {
+			const result = this._diffEditor.getDiffComputationResult();
+			const hasFocus = this._diffEditor.hasTextFocus();
+			this._updateFromChanges(this._session.wholeRange, result?.changes2 ?? []);
+			// TODO@jrieken find a better fix for this. this is the challenge:
+			// the _doShowForChanges method invokes show of the zone widget which removes and adds the
+			// zone and overlay parts. this dettaches and reattaches the dom nodes which means they lose
+			// focus
+			if (hasFocus) {
+				this._diffEditor.focus();
+			}
+		}));
 		this._updateFromChanges(this._session.wholeRange, this._session.lastTextModelChanges);
 		this._isVisible = true;
 	}
diff --git a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorStrategies.ts b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorStrategies.ts
index 827ab314adc..c0d454e73ac 100644
--- a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorStrategies.ts
+++ b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorStrategies.ts
@@ -3,6 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import { ModifierKeyEmitter } from 'vs/base/browser/dom';
 import { Event } from 'vs/base/common/event';
 import { IDisposable } from 'vs/base/common/lifecycle';
 import 'vs/css!./interactiveEditor';
@@ -29,7 +30,7 @@ import { IEditorService, SIDE_GROUP } from 'vs/workbench/services/editor/common/
 
 export abstract class EditModeStrategy {
 
-	dispose(): void { }
+	abstract dispose(): void;
 
 	abstract checkChanges(response: EditResponse): boolean;
 
@@ -67,7 +68,6 @@ export class PreviewStrategy extends EditModeStrategy {
 	override dispose(): void {
 		this._listener.dispose();
 		this._ctxDocumentChanged.reset();
-		super.dispose();
 	}
 
 	checkChanges(response: EditResponse): boolean {
@@ -201,10 +201,11 @@ class InlineDiffDecorations {
 export class LiveStrategy extends EditModeStrategy {
 
 	private static _inlineDiffStorageKey: string = 'interactiveEditor.storage.inlineDiff';
-	private _inlineDiffEnabled: boolean = false;
+	protected _diffEnabled: boolean = false;
 
 	private readonly _inlineDiffDecorations: InlineDiffDecorations;
-	protected readonly _ctxShowingDiff: IContextKey<boolean>;
+	private readonly _ctxShowingDiff: IContextKey<boolean>;
+	private readonly _diffToggleListener: IDisposable;
 	private _lastResponse?: EditResponse;
 	private _editCount: number = 0;
 
@@ -219,28 +220,36 @@ export class LiveStrategy extends EditModeStrategy {
 		@IInstantiationService private readonly _instaService: IInstantiationService,
 	) {
 		super();
-		this._inlineDiffDecorations = new InlineDiffDecorations(this._editor, this._inlineDiffEnabled);
+		this._inlineDiffDecorations = new InlineDiffDecorations(this._editor, this._diffEnabled);
 		this._ctxShowingDiff = CTX_INTERACTIVE_EDITOR_SHOWING_DIFF.bindTo(contextKeyService);
 
-		this._inlineDiffEnabled = _storageService.getBoolean(LiveStrategy._inlineDiffStorageKey, StorageScope.PROFILE, false);
-		this._ctxShowingDiff.set(this._inlineDiffEnabled);
-		this._inlineDiffDecorations.visible = this._inlineDiffEnabled;
+		this._diffEnabled = _storageService.getBoolean(LiveStrategy._inlineDiffStorageKey, StorageScope.PROFILE, false);
+		this._ctxShowingDiff.set(this._diffEnabled);
+		this._inlineDiffDecorations.visible = this._diffEnabled;
+		this._diffToggleListener = ModifierKeyEmitter.getInstance().event(e => {
+			if (e.altKey || e.lastKeyReleased === 'alt') {
+				this.toggleDiff();
+			}
+		});
 	}
 
 	override dispose(): void {
-		this._inlineDiffEnabled = this._inlineDiffDecorations.visible;
-		this._storageService.store(LiveStrategy._inlineDiffStorageKey, this._inlineDiffEnabled, StorageScope.PROFILE, StorageTarget.USER);
+		this._diffToggleListener.dispose();
+		this._diffEnabled = this._inlineDiffDecorations.visible;
+		this._storageService.store(LiveStrategy._inlineDiffStorageKey, this._diffEnabled, StorageScope.PROFILE, StorageTarget.USER);
 		this._inlineDiffDecorations.clear();
 		this._ctxShowingDiff.reset();
-
-		super.dispose();
 	}
 
 	toggleDiff(): void {
-		this._inlineDiffEnabled = !this._inlineDiffEnabled;
-		this._ctxShowingDiff.set(this._inlineDiffEnabled);
-		this._inlineDiffDecorations.visible = this._inlineDiffEnabled;
-		this._storageService.store(LiveStrategy._inlineDiffStorageKey, this._inlineDiffEnabled, StorageScope.PROFILE, StorageTarget.USER);
+		this._diffEnabled = !this._diffEnabled;
+		this._ctxShowingDiff.set(this._diffEnabled);
+		this._storageService.store(LiveStrategy._inlineDiffStorageKey, this._diffEnabled, StorageScope.PROFILE, StorageTarget.USER);
+		this._doToggleDiff();
+	}
+
+	protected _doToggleDiff(): void {
+		this._inlineDiffDecorations.visible = this._diffEnabled;
 	}
 
 	checkChanges(response: EditResponse): boolean {
@@ -364,9 +373,10 @@ export class LivePreviewStrategy extends LiveStrategy {
 
 	override async renderChanges(response: EditResponse) {
 
-		this._diffZone.show();
 		this._updateSummaryMessage();
-		this._ctxShowingDiff.set(true);
+		if (this._diffEnabled) {
+			this._diffZone.show();
+		}
 
 		if (response.singleCreateFileEdit) {
 			this._previewZone.showCreation(this._session.wholeRange, response.singleCreateFileEdit.uri, await Promise.all(response.singleCreateFileEdit.edits));
@@ -375,17 +385,16 @@ export class LivePreviewStrategy extends LiveStrategy {
 		}
 	}
 
-	override toggleDiff(): void {
-		// TODO@jrieken should this be persisted like we do in live-mode?
-		const scrollState = StableEditorScrollState.capture(this._editor);
-		if (this._diffZone.isVisible) {
-			this._diffZone.hide();
-			this._ctxShowingDiff.set(false);
-		} else {
-			this._diffZone.show();
-			this._ctxShowingDiff.set(true);
+	protected override _doToggleDiff(): void {
+		if (this._diffEnabled !== this._diffZone.isVisible) {
+			const scrollState = StableEditorScrollState.capture(this._editor);
+			if (this._diffEnabled) {
+				this._diffZone.show();
+			} else {
+				this._diffZone.hide();
+			}
+			scrollState.restore(this._editor);
 		}
-		scrollState.restore(this._editor);
 	}
 }
 
diff --git a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorWidget.ts b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorWidget.ts
index 0c008cb9de4..ff558bfda11 100644
--- a/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorWidget.ts
+++ b/src/vs/workbench/contrib/interactiveEditor/browser/interactiveEditorWidget.ts
@@ -289,7 +289,7 @@ export class InteractiveEditorWidget {
 				return createActionViewItem(this._instantiationService, action, options);
 			}
 		};
-		const statusToolbar = this._instantiationService.createInstance(MenuWorkbenchToolBar, this._elements.statusToolbar, MENU_INTERACTIVE_EDITOR_WIDGET_STATUS, workbenchToolbarOptions);
+		const statusToolbar = this._instantiationService.createInstance(MenuWorkbenchToolBar, this._elements.statusToolbar, MENU_INTERACTIVE_EDITOR_WIDGET_STATUS, { ...workbenchToolbarOptions, hiddenItemStrategy: HiddenItemStrategy.Ignore });
 		this._store.add(statusToolbar.onDidChangeMenuItems(() => this._onDidChangeHeight.fire()));
 		this._store.add(statusToolbar);
 
diff --git a/src/vs/workbench/contrib/interactiveEditor/common/interactiveEditor.ts b/src/vs/workbench/contrib/interactiveEditor/common/interactiveEditor.ts
index 34324a746b1..a08b00b0e38 100644
--- a/src/vs/workbench/contrib/interactiveEditor/common/interactiveEditor.ts
+++ b/src/vs/workbench/contrib/interactiveEditor/common/interactiveEditor.ts
@@ -4,7 +4,6 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { CancellationToken } from 'vs/base/common/cancellation';
-import { Codicon } from 'vs/base/common/codicons';
 import { IMarkdownString } from 'vs/base/common/htmlContent';
 import { IDisposable } from 'vs/base/common/lifecycle';
 import { IRange } from 'vs/editor/common/core/range';
@@ -12,7 +11,7 @@ import { ISelection } from 'vs/editor/common/core/selection';
 import { ProviderResult, TextEdit, WorkspaceEdit } from 'vs/editor/common/languages';
 import { ITextModel } from 'vs/editor/common/model';
 import { localize } from 'vs/nls';
-import { MenuId, MenuRegistry } from 'vs/platform/actions/common/actions';
+import { MenuId } from 'vs/platform/actions/common/actions';
 import { Extensions, IConfigurationRegistry } from 'vs/platform/configuration/common/configurationRegistry';
 import { RawContextKey } from 'vs/platform/contextkey/common/contextkey';
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
@@ -123,15 +122,6 @@ export const MENU_INTERACTIVE_EDITOR_WIDGET = MenuId.for('interactiveEditorWidge
 export const MENU_INTERACTIVE_EDITOR_WIDGET_MARKDOWN_MESSAGE = MenuId.for('interactiveEditorWidget.markdownMessage');
 export const MENU_INTERACTIVE_EDITOR_WIDGET_STATUS = MenuId.for('interactiveEditorWidget.status');
 export const MENU_INTERACTIVE_EDITOR_WIDGET_DISCARD = MenuId.for('interactiveEditorWidget.undo');
-MenuRegistry.appendMenuItem(MENU_INTERACTIVE_EDITOR_WIDGET_STATUS, {
-	submenu: MENU_INTERACTIVE_EDITOR_WIDGET_DISCARD,
-	title: localize('discard', "Discard..."),
-	icon: Codicon.discard,
-	group: '0_main',
-	order: 2,
-	when: CTX_INTERACTIVE_EDITOR_EDIT_MODE.notEqualsTo(EditMode.Preview),
-	rememberDefaultAction: true
-});
 
 // --- colors
 
diff --git a/src/vs/workbench/contrib/preferences/browser/keybindingWidgets.ts b/src/vs/workbench/contrib/preferences/browser/keybindingWidgets.ts
index d14d2de406c..c8e4a1fb3c0 100644
--- a/src/vs/workbench/contrib/preferences/browser/keybindingWidgets.ts
+++ b/src/vs/workbench/contrib/preferences/browser/keybindingWidgets.ts
@@ -59,15 +59,15 @@ export class KeybindingsSearchWidget extends SearchWidget {
 		@IKeybindingService keybindingService: IKeybindingService,
 	) {
 		super(parent, options, contextViewService, instantiationService, contextKeyService, keybindingService);
+
 		this._register(toDisposable(() => this.stopRecordingKeys()));
+
 		this._chords = null;
 		this._inputValue = '';
-
-		this._reset();
 	}
 
 	override clear(): void {
-		this._reset();
+		this._chords = null;
 		super.clear();
 	}
 
@@ -81,7 +81,7 @@ export class KeybindingsSearchWidget extends SearchWidget {
 	}
 
 	stopRecordingKeys(): void {
-		this._reset();
+		this._chords = null;
 		this.recordDisposables.clear();
 	}
 
@@ -90,10 +90,6 @@ export class KeybindingsSearchWidget extends SearchWidget {
 		this.inputBox.value = this._inputValue;
 	}
 
-	private _reset() {
-		this._chords = null;
-	}
-
 	private _onKeyDown(keyboardEvent: IKeyboardEvent): void {
 		keyboardEvent.preventDefault();
 		keyboardEvent.stopPropagation();
@@ -103,10 +99,6 @@ export class KeybindingsSearchWidget extends SearchWidget {
 			return;
 		}
 		if (keyboardEvent.equals(KeyCode.Escape)) {
-			if (this._chords !== null) {
-				this.clear();
-			}
-
 			this._onEscape.fire();
 			return;
 		}
@@ -185,8 +177,8 @@ export class DefineKeybindingWidget extends Widget {
 		this._keybindingInputWidget.startRecordingKeys();
 		this._register(this._keybindingInputWidget.onKeybinding(keybinding => this.onKeybinding(keybinding)));
 		this._register(this._keybindingInputWidget.onEnter(() => this.hide()));
-		this._register(this._keybindingInputWidget.onEscape(() => this.onEscape()));
-		this._register(this._keybindingInputWidget.onBlur(() => this.onBlur()));
+		this._register(this._keybindingInputWidget.onEscape(() => this.clearOrHide()));
+		this._register(this._keybindingInputWidget.onBlur(() => this.onCancel()));
 
 		this._outputNode = dom.append(this._domNode.domNode, dom.$('.output'));
 		this._showExistingKeybindingsNode = dom.append(this._domNode.domNode, dom.$('.existing'));
@@ -251,19 +243,15 @@ export class DefineKeybindingWidget extends Widget {
 		dom.clearNode(this._outputNode);
 		dom.clearNode(this._showExistingKeybindingsNode);
 
-
-
 		const firstLabel = new KeybindingLabel(this._outputNode, OS, defaultKeybindingLabelStyles);
 		firstLabel.set(withNullAsUndefined(this._chords?.[0]));
 
-
 		if (this._chords) {
 			for (let i = 1; i < this._chords.length; i++) {
 				this._outputNode.appendChild(document.createTextNode(nls.localize('defineKeybinding.chordsTo', "chord to")));
 				const chordLabel = new KeybindingLabel(this._outputNode, OS, defaultKeybindingLabelStyles);
 				chordLabel.set(this._chords[i]);
 			}
-
 		}
 
 		const label = this.getUserSettingsLabel();
@@ -280,19 +268,20 @@ export class DefineKeybindingWidget extends Widget {
 		return label;
 	}
 
-	private onBlur(): void {
+	private onCancel(): void {
 		this._chords = null;
 		this.hide();
 	}
 
-	private onEscape(): void {
-		if (this._chords !== null) {
+	private clearOrHide(): void {
+		if (this._chords === null) {
+			this.hide();
+		} else {
 			this._chords = null;
+			this._keybindingInputWidget.clear();
 			dom.clearNode(this._outputNode);
 			dom.clearNode(this._showExistingKeybindingsNode);
-			return;
 		}
-		this.hide();
 	}
 
 	private hide(): void {
diff --git a/src/vs/workbench/contrib/remote/browser/remoteStartEntry.ts b/src/vs/workbench/contrib/remote/browser/remoteStartEntry.ts
index 94c88c45d7e..555203e5cd1 100644
--- a/src/vs/workbench/contrib/remote/browser/remoteStartEntry.ts
+++ b/src/vs/workbench/contrib/remote/browser/remoteStartEntry.ts
@@ -162,12 +162,12 @@ export class RemoteStartEntry extends Disposable implements IWorkbenchContributi
 	}
 
 	private registerListeners(): void {
-		this._register(this.extensionManagementService.onDidInstallExtensions(async (result) => {
-			for (const ext of result) {
-				const index = this.remoteExtensionMetadata.findIndex(value => ExtensionIdentifier.equals(value.id, ext.identifier.id));
+		this._register(this.extensionService.onDidChangeExtensions(async (result) => {
+			for (const ext of result.added) {
+				const index = this.remoteExtensionMetadata.findIndex(value => ExtensionIdentifier.equals(value.id, ext.identifier));
 				if (index > -1) {
 					this.remoteExtensionMetadata[index].installed = true;
-					this.remoteExtensionMetadata[index].remoteCommands = await this.getRemoteCommands(ext.identifier.id);
+					this.remoteExtensionMetadata[index].remoteCommands = await this.getRemoteCommands(ext.identifier.value);
 				}
 			}
 		}));
diff --git a/src/vs/workbench/contrib/scm/browser/scmViewPane.ts b/src/vs/workbench/contrib/scm/browser/scmViewPane.ts
index 08bd68007b8..7b8f2ce8d41 100644
--- a/src/vs/workbench/contrib/scm/browser/scmViewPane.ts
+++ b/src/vs/workbench/contrib/scm/browser/scmViewPane.ts
@@ -1148,7 +1148,7 @@ class ViewModel {
 		this._onDidChangeMode.fire(mode);
 		this.modeContextKey.set(mode);
 
-		this.storageService.store(`scm.viewMode`, mode, StorageScope.WORKSPACE, StorageTarget.MACHINE);
+		this.storageService.store(`scm.viewMode`, mode, StorageScope.WORKSPACE, StorageTarget.USER);
 	}
 
 	get sortKey(): ViewModelSortKey { return this._sortKey; }
@@ -1164,7 +1164,7 @@ class ViewModel {
 		this.sortKeyContextKey.set(sortKey);
 
 		if (this._mode === ViewModelMode.List) {
-			this.storageService.store(`scm.viewSortKey`, sortKey, StorageScope.WORKSPACE, StorageTarget.MACHINE);
+			this.storageService.store(`scm.viewSortKey`, sortKey, StorageScope.WORKSPACE, StorageTarget.USER);
 		}
 	}
 
@@ -1243,6 +1243,20 @@ class ViewModel {
 			if (e.reason === WillSaveStateReason.SHUTDOWN) {
 				this.storageService.store(`scm.viewState`, JSON.stringify(this.treeViewState), StorageScope.WORKSPACE, StorageTarget.MACHINE);
 			}
+
+			this.mode = this.getViewModelMode();
+			this.sortKey = this.getViewModelSortKey();
+		});
+
+		this.storageService.onDidChangeValue(e => {
+			switch (e.key) {
+				case 'scm.viewMode':
+					this.mode = this.getViewModelMode();
+					break;
+				case 'scm.viewSortKey':
+					this.sortKey = this.getViewModelSortKey();
+					break;
+			}
 		});
 	}
 
diff --git a/src/vs/workbench/contrib/share/browser/share.contribution.ts b/src/vs/workbench/contrib/share/browser/share.contribution.ts
index 7b8386eb3ed..a1819051c93 100644
--- a/src/vs/workbench/contrib/share/browser/share.contribution.ts
+++ b/src/vs/workbench/contrib/share/browser/share.contribution.ts
@@ -3,8 +3,10 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import 'vs/css!./share';
 import { CancellationTokenSource } from 'vs/base/common/cancellation';
 import { Codicon } from 'vs/base/common/codicons';
+import { MarkdownString } from 'vs/base/common/htmlContent';
 import { KeyCode, KeyMod } from 'vs/base/common/keyCodes';
 import { localize } from 'vs/nls';
 import { Action2, MenuId, MenuRegistry, registerAction2 } from 'vs/platform/actions/common/actions';
@@ -78,19 +80,23 @@ class ShareWorkbenchContribution {
 
 				const uri = await shareService.provideShare({ resourceUri }, new CancellationTokenSource().token);
 				if (uri) {
-					await clipboardService.writeText(uri.toString());
-					const result = await dialogService.input(
+					const uriText = uri.toString();
+					await clipboardService.writeText(uriText);
+					dialogService.prompt(
 						{
 							type: Severity.Info,
-							inputs: [{ type: 'text', value: uri.toString() }],
 							message: localize('shareSuccess', 'Copied link to clipboard!'),
-							custom: { icon: Codicon.check },
-							primaryButton: localize('open link', 'Open Link')
+							custom: {
+								icon: Codicon.check,
+								markdownDetails: [{
+									markdown: new MarkdownString(`<div aria-label='${uriText}'>${uriText}</div>`, { supportHtml: true }),
+									classes: ['share-dialog-input']
+								}]
+							},
+							cancelButton: localize('close', 'Close'),
+							buttons: [{ label: localize('open link', 'Open Link'), run: () => { urlService.open(uri, { openExternal: true }); } }]
 						}
 					);
-					if (result.confirmed) {
-						urlService.open(uri, { openExternal: true });
-					}
 				}
 			}
 		});
diff --git a/src/vs/workbench/contrib/share/browser/share.css b/src/vs/workbench/contrib/share/browser/share.css
new file mode 100644
index 00000000000..5d9469d49c6
--- /dev/null
+++ b/src/vs/workbench/contrib/share/browser/share.css
@@ -0,0 +1,18 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+div.share-dialog-input {
+	border: 1px solid var(--vscode-input-border, transparent);
+	border-radius: 2px;
+	color: var(--vscode-input-foreground);
+	background-color: var(--vscode-input-background);
+	overflow: hidden;
+	white-space: nowrap;
+	text-overflow: ellipsis;
+	padding: 2px;
+	user-select: all;
+	line-height: 24px;
+}
+
diff --git a/src/vs/workbench/contrib/share/browser/shareService.ts b/src/vs/workbench/contrib/share/browser/shareService.ts
index 8e471a1593f..6fe98f2a5b0 100644
--- a/src/vs/workbench/contrib/share/browser/shareService.ts
+++ b/src/vs/workbench/contrib/share/browser/shareService.ts
@@ -6,6 +6,7 @@
 import { CancellationToken } from 'vs/base/common/cancellation';
 import { IDisposable } from 'vs/base/common/lifecycle';
 import { URI } from 'vs/base/common/uri';
+import { score } from 'vs/editor/common/languageSelector';
 import { localize } from 'vs/nls';
 import { ISubmenuItem } from 'vs/platform/actions/common/actions';
 import { IContextKey, IContextKeyService, RawContextKey } from 'vs/platform/contextkey/common/contextkey';
@@ -46,7 +47,9 @@ export class ShareService implements IShareService {
 	}
 
 	async provideShare(item: IShareableItem, token: CancellationToken): Promise<URI | undefined> {
-		const providers = [...this._providers.values()];
+		const providers = [...this._providers.values()]
+			.filter((p) => score(p.selector, item.resourceUri, '', true, undefined, undefined) > 0)
+			.sort((a, b) => a.priority - b.priority);
 
 		if (providers.length === 0) {
 			return undefined;
diff --git a/src/vs/workbench/contrib/share/common/share.ts b/src/vs/workbench/contrib/share/common/share.ts
index dcde5d780ad..b389d71c38b 100644
--- a/src/vs/workbench/contrib/share/common/share.ts
+++ b/src/vs/workbench/contrib/share/common/share.ts
@@ -19,6 +19,7 @@ export interface IShareableItem {
 export interface IShareProvider {
 	readonly id: string;
 	readonly label: string;
+	readonly priority: number;
 	readonly selector: LanguageSelector;
 	prepareShare?(item: IShareableItem, token: CancellationToken): Thenable<boolean | undefined>;
 	provideShare(item: IShareableItem, token: CancellationToken): Thenable<URI | undefined>;
diff --git a/src/vs/workbench/contrib/terminal/browser/environmentVariableInfo.ts b/src/vs/workbench/contrib/terminal/browser/environmentVariableInfo.ts
index 0b9638e8e6b..e355b287f63 100644
--- a/src/vs/workbench/contrib/terminal/browser/environmentVariableInfo.ts
+++ b/src/vs/workbench/contrib/terminal/browser/environmentVariableInfo.ts
@@ -105,7 +105,9 @@ function getMergedDescription(collection: IMergedEnvironmentVariableCollection,
 		}
 		const workspaceDescription = workspaceDescriptions.get(ext);
 		if (workspaceDescription) {
-			message.push(`\n- \`${getExtensionName(ext, extensionService)} (${localize('ScopedEnvironmentContributionInfo', 'workspace')})\``);
+			// Only show '(workspace)' suffix if there is already a description for the extension.
+			const workspaceSuffix = globalDescription ? ` (${localize('ScopedEnvironmentContributionInfo', 'workspace')})` : '';
+			message.push(`\n- \`${getExtensionName(ext, extensionService)}${workspaceSuffix}\``);
 			message.push(`: ${workspaceDescription}`);
 		}
 		if (!globalDescription && !workspaceDescription) {
diff --git a/src/vs/workbench/contrib/terminal/common/terminal.ts b/src/vs/workbench/contrib/terminal/common/terminal.ts
index e910b297258..9b5149079b4 100644
--- a/src/vs/workbench/contrib/terminal/common/terminal.ts
+++ b/src/vs/workbench/contrib/terminal/common/terminal.ts
@@ -735,7 +735,8 @@ export const DEFAULT_COMMANDS_TO_SKIP_SHELL: string[] = [
 	'workbench.action.togglePanel',
 	'workbench.action.quickOpenView',
 	'workbench.action.toggleMaximizedPanel',
-	'notification.acceptPrimaryAction'
+	'notification.acceptPrimaryAction',
+	'runCommands'
 ];
 
 export const terminalContributionsDescriptor: IExtensionPointDescriptor<ITerminalContributions> = {
diff --git a/src/vs/workbench/contrib/testing/browser/explorerProjections/hierarchalByLocation.ts b/src/vs/workbench/contrib/testing/browser/explorerProjections/hierarchalByLocation.ts
index b5894759b3f..f1ae17cb789 100644
--- a/src/vs/workbench/contrib/testing/browser/explorerProjections/hierarchalByLocation.ts
+++ b/src/vs/workbench/contrib/testing/browser/explorerProjections/hierarchalByLocation.ts
@@ -87,7 +87,10 @@ export class HierarchicalByLocationProjection extends Disposable implements ITes
 		// when test states change, reflect in the tree
 		this._register(results.onTestChanged(ev => {
 			let result = ev.item;
-			if (result.ownComputedState === TestResultState.Unset) {
+			// if the state is unset, or the latest run is not making the change,
+			// double check that it's valid. Retire calls might cause previous
+			// emit a state change for a test run that's already long completed.
+			if (result.ownComputedState === TestResultState.Unset || ev.result !== results.results[0]) {
 				const fallback = results.getStateById(result.item.extId);
 				if (fallback) {
 					result = fallback[1];
diff --git a/src/vs/workbench/contrib/testing/common/testResult.ts b/src/vs/workbench/contrib/testing/common/testResult.ts
index 8627db9c2bc..c2130600cdb 100644
--- a/src/vs/workbench/contrib/testing/common/testResult.ts
+++ b/src/vs/workbench/contrib/testing/common/testResult.ts
@@ -449,6 +449,18 @@ export class LiveTestResult implements ITestResult {
 		this.completeEmitter.fire();
 	}
 
+	/**
+	 * Marks the test and all of its children in the run as retired.
+	 */
+	public markRetired(testId: string) {
+		for (const [id, test] of this.testById) {
+			if (!test.retired && id === testId || TestId.isChild(testId, id)) {
+				test.retired = true;
+				this.changeEmitter.fire({ reason: TestResultItemChangeReason.ComputedStateChange, item: test, result: this });
+			}
+		}
+	}
+
 	/**
 	 * @inheritdoc
 	 */
diff --git a/src/vs/workbench/contrib/testing/common/testTypes.ts b/src/vs/workbench/contrib/testing/common/testTypes.ts
index a740cd40d8a..99590868fd0 100644
--- a/src/vs/workbench/contrib/testing/common/testTypes.ts
+++ b/src/vs/workbench/contrib/testing/common/testTypes.ts
@@ -469,12 +469,14 @@ export interface TestResultItem extends InternalTestItem {
 }
 
 export namespace TestResultItem {
-	/** Serialized version of the TestResultItem */
+	/**
+	 * Serialized version of the TestResultItem. Note that 'retired' is not
+	 * included since all hydrated items are automatically retired.
+	 */
 	export interface Serialized extends InternalTestItem.Serialized {
 		tasks: ITestTaskState.Serialized[];
 		ownComputedState: TestResultState;
 		computedState: TestResultState;
-		retired?: boolean;
 	}
 
 	export const serializeWithoutMessages = (original: TestResultItem): Serialized => ({
@@ -482,7 +484,6 @@ export namespace TestResultItem {
 		ownComputedState: original.ownComputedState,
 		computedState: original.computedState,
 		tasks: original.tasks.map(ITestTaskState.serializeWithoutMessages),
-		retired: original.retired,
 	});
 
 	export const serialize = (original: TestResultItem): Serialized => ({
@@ -490,7 +491,6 @@ export namespace TestResultItem {
 		ownComputedState: original.ownComputedState,
 		computedState: original.computedState,
 		tasks: original.tasks.map(ITestTaskState.serialize),
-		retired: original.retired,
 	});
 
 	export const deserialize = (serialized: Serialized): TestResultItem => ({
diff --git a/src/vs/workbench/contrib/testing/test/browser/explorerProjections/hierarchalByLocation.test.ts b/src/vs/workbench/contrib/testing/test/browser/explorerProjections/hierarchalByLocation.test.ts
index 44b67eaea34..502b66a9052 100644
--- a/src/vs/workbench/contrib/testing/test/browser/explorerProjections/hierarchalByLocation.test.ts
+++ b/src/vs/workbench/contrib/testing/test/browser/explorerProjections/hierarchalByLocation.test.ts
@@ -23,6 +23,7 @@ suite('Workbench - Testing Explorer Hierarchal by Location Projection', () => {
 	setup(() => {
 		onTestChanged = new Emitter();
 		resultsService = {
+			results: [],
 			onResultsChanged: () => undefined,
 			onTestChanged: onTestChanged.event,
 			getStateById: () => ({ state: { state: 0 }, computedState: 0 }),
@@ -102,7 +103,6 @@ suite('Workbench - Testing Explorer Hierarchal by Location Projection', () => {
 
 	test('applies state changes', async () => {
 		harness.flush();
-		resultsService.getStateById = () => [undefined, resultInState(TestResultState.Failed)];
 
 		const resultInState = (state: TestResultState): TestResultItem => ({
 			item: {
@@ -124,6 +124,7 @@ suite('Workbench - Testing Explorer Hierarchal by Location Projection', () => {
 		});
 
 		// Applies the change:
+		resultsService.getStateById = () => [undefined, resultInState(TestResultState.Queued)];
 		onTestChanged.fire({
 			reason: TestResultItemChangeReason.OwnStateChange,
 			result: null as any,
@@ -139,6 +140,7 @@ suite('Workbench - Testing Explorer Hierarchal by Location Projection', () => {
 		]);
 
 		// Falls back if moved into unset state:
+		resultsService.getStateById = () => [undefined, resultInState(TestResultState.Failed)];
 		onTestChanged.fire({
 			reason: TestResultItemChangeReason.OwnStateChange,
 			result: null as any,
diff --git a/src/vs/workbench/contrib/welcomeGettingStarted/browser/gettingStarted.ts b/src/vs/workbench/contrib/welcomeGettingStarted/browser/gettingStarted.ts
index c7d1435d648..838ac8e0ed5 100644
--- a/src/vs/workbench/contrib/welcomeGettingStarted/browser/gettingStarted.ts
+++ b/src/vs/workbench/contrib/welcomeGettingStarted/browser/gettingStarted.ts
@@ -73,7 +73,6 @@ import { IFeaturedExtensionsService } from 'vs/workbench/contrib/welcomeGettingS
 import { IFeaturedExtension } from 'vs/base/common/product';
 import { IExtensionManagementService } from 'vs/platform/extensionManagement/common/extensionManagement';
 import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
-import { ILifecycleService, LifecyclePhase } from 'vs/workbench/services/lifecycle/common/lifecycle';
 
 const SLIDE_TRANSITION_TIME_MS = 250;
 const configurationKey = 'workbench.startupEditor';
@@ -190,9 +189,7 @@ export class GettingStartedPage extends EditorPane {
 		@IWebviewService private readonly webviewService: IWebviewService,
 		@IWorkspaceContextService private readonly workspaceContextService: IWorkspaceContextService,
 		@IAccessibilityService private readonly accessibilityService: IAccessibilityService,
-		@IExtensionManagementService private readonly extensionManagementService: IExtensionManagementService,
-		@ILifecycleService private readonly lifecycleService: ILifecycleService,
-	) {
+		@IExtensionManagementService private readonly extensionManagementService: IExtensionManagementService) {
 
 		super(GettingStartedPage.ID, telemetryService, themeService, storageService);
 
@@ -305,7 +302,6 @@ export class GettingStartedPage extends EditorPane {
 		this.container.classList.remove('animatable');
 		this.editorInput = newInput;
 		await super.setInput(newInput, options, context, token);
-		await this.lifecycleService.when(LifecyclePhase.Restored);
 		await this.buildCategoriesSlide();
 		if (this.shouldAnimate()) {
 			setTimeout(() => this.container.classList.add('animatable'), 0);
@@ -729,6 +725,9 @@ export class GettingStartedPage extends EditorPane {
 
 	private async buildCategoriesSlide() {
 
+		// Delay fetching welcome page content on startup until all extensions are ready.
+		await this.extensionService.whenInstalledExtensionsRegistered();
+
 		this.recentlyOpened = await this.workspacesService.getRecentlyOpened();
 		this.gettingStartedCategories = await this.gettingStartedService.getWalkthroughs();
 		this.featuredExtensions = await this.featuredExtensionService.getExtensions();
diff --git a/src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts b/src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts
index e83df848d93..cb24963a2e6 100644
--- a/src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts
+++ b/src/vs/workbench/services/extensionManagement/browser/webExtensionsScannerService.ts
@@ -45,6 +45,15 @@ import { IUserDataProfilesService } from 'vs/platform/userDataProfile/common/use
 import { IUriIdentityService } from 'vs/platform/uriIdentity/common/uriIdentity';
 
 type GalleryExtensionInfo = { readonly id: string; preRelease?: boolean; migrateStorageFrom?: string };
+interface HostedExtensionInfo {
+	readonly location: UriComponents;
+	readonly preRelease?: boolean;
+	readonly packageJSON?: IExtensionManifest;
+	readonly defaultPackageTranslations?: ITranslations | null;
+	readonly packageNLSUris?: Map<string, UriComponents>;
+	readonly readmeUri?: UriComponents;
+	readonly changelogUri?: UriComponents;
+}
 type ExtensionInfo = { readonly id: string; preRelease: boolean };
 
 function isGalleryExtensionInfo(obj: unknown): obj is GalleryExtensionInfo {
@@ -54,6 +63,24 @@ function isGalleryExtensionInfo(obj: unknown): obj is GalleryExtensionInfo {
 		&& (galleryExtensionInfo.migrateStorageFrom === undefined || typeof galleryExtensionInfo.migrateStorageFrom === 'string');
 }
 
+function isHostedExtensionInfo(obj: unknown): obj is HostedExtensionInfo {
+	const hostedExtensionInfo = obj as HostedExtensionInfo | undefined;
+	return isUriComponents(hostedExtensionInfo?.location)
+		&& (hostedExtensionInfo?.preRelease === undefined || typeof hostedExtensionInfo.preRelease === 'boolean')
+		&& (hostedExtensionInfo?.packageJSON === undefined || typeof hostedExtensionInfo.packageJSON === 'object')
+		&& (hostedExtensionInfo?.defaultPackageTranslations === undefined || hostedExtensionInfo?.defaultPackageTranslations === null || typeof hostedExtensionInfo.defaultPackageTranslations === 'object')
+		&& (hostedExtensionInfo?.changelogUri === undefined || isUriComponents(hostedExtensionInfo?.changelogUri))
+		&& (hostedExtensionInfo?.readmeUri === undefined || isUriComponents(hostedExtensionInfo?.readmeUri));
+}
+
+function isUriComponents(thing: unknown): thing is UriComponents {
+	if (!thing) {
+		return false;
+	}
+	return isString((<any>thing).path) &&
+		isString((<any>thing).scheme);
+}
+
 interface IStoredWebExtension {
 	readonly identifier: IExtensionIdentifier;
 	readonly version: string;
@@ -117,12 +144,12 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 		}
 	}
 
-	private _customBuiltinExtensionsInfoPromise: Promise<{ extensions: ExtensionInfo[]; extensionsToMigrate: [string, string][]; extensionLocations: URI[] }> | undefined;
-	private readCustomBuiltinExtensionsInfoFromEnv(): Promise<{ extensions: ExtensionInfo[]; extensionsToMigrate: [string, string][]; extensionLocations: URI[] }> {
+	private _customBuiltinExtensionsInfoPromise: Promise<{ extensions: ExtensionInfo[]; extensionsToMigrate: [string, string][]; extensionLocations: HostedExtensionInfo[] }> | undefined;
+	private readCustomBuiltinExtensionsInfoFromEnv(): Promise<{ extensions: ExtensionInfo[]; extensionsToMigrate: [string, string][]; extensionLocations: HostedExtensionInfo[] }> {
 		if (!this._customBuiltinExtensionsInfoPromise) {
 			this._customBuiltinExtensionsInfoPromise = (async () => {
 				let extensions: ExtensionInfo[] = [];
-				const extensionLocations: URI[] = [];
+				const extensionLocations: HostedExtensionInfo[] = [];
 				const extensionsToMigrate: [string, string][] = [];
 				const customBuiltinExtensionsInfo = this.environmentService.options && Array.isArray(this.environmentService.options.additionalBuiltinExtensions)
 					? this.environmentService.options.additionalBuiltinExtensions.map(additionalBuiltinExtension => isString(additionalBuiltinExtension) ? { id: additionalBuiltinExtension } : additionalBuiltinExtension)
@@ -134,7 +161,11 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 							extensionsToMigrate.push([e.migrateStorageFrom, e.id]);
 						}
 					} else {
-						extensionLocations.push(URI.revive(e));
+						if (isHostedExtensionInfo(e)) {
+							extensionLocations.push(e);
+						} else {
+							extensionLocations.push({ location: e });
+						}
 					}
 				}
 				if (extensions.length) {
@@ -212,9 +243,15 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 			return [];
 		}
 		const result: IScannedExtension[] = [];
-		await Promise.allSettled(extensionLocations.map(async location => {
+		await Promise.allSettled(extensionLocations.map(async ({ location, preRelease, packageNLSUris, packageJSON, defaultPackageTranslations, readmeUri, changelogUri }) => {
 			try {
-				const webExtension = await this.toWebExtension(location);
+				const webExtension = await this.toWebExtension(URI.revive(location), undefined,
+					packageJSON,
+					packageNLSUris ? [...packageNLSUris.entries()].reduce((result, [key, value]) => { result.set(key, URI.revive(value)); return result; }, new Map<string, URI>()) : undefined,
+					defaultPackageTranslations,
+					URI.revive(readmeUri),
+					URI.revive(changelogUri),
+					{ isPreReleaseVersion: preRelease });
 				const extension = await this.toScannedExtension(webExtension, true);
 				if (extension.isValid || !scanOptions?.skipInvalidExtensions) {
 					result.push(extension);
@@ -438,7 +475,7 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 	}
 
 	async addExtension(location: URI, metadata: Metadata, profileLocation: URI): Promise<IScannedExtension> {
-		const webExtension = await this.toWebExtension(location, undefined, undefined, undefined, undefined, undefined, metadata);
+		const webExtension = await this.toWebExtension(location, undefined, undefined, undefined, undefined, undefined, undefined, metadata);
 		const extension = await this.toScannedExtension(webExtension, false);
 		await this.addToInstalledExtensions([webExtension], profileLocation);
 		return extension;
@@ -577,6 +614,7 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 		return this.toWebExtension(
 			extensionLocation,
 			galleryExtension.identifier,
+			undefined,
 			packageNLSResources,
 			fallbackPackageNLSResource ? URI.parse(fallbackPackageNLSResource) : null,
 			galleryExtension.assets.readme ? URI.parse(galleryExtension.assets.readme.uri) : undefined,
@@ -596,12 +634,13 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 		return packageNLSResources;
 	}
 
-	private async toWebExtension(extensionLocation: URI, identifier?: IExtensionIdentifier, packageNLSUris?: Map<string, URI>, fallbackPackageNLSUri?: URI | null, readmeUri?: URI, changelogUri?: URI, metadata?: Metadata): Promise<IWebExtension> {
-		let manifest: IExtensionManifest;
-		try {
-			manifest = await this.getExtensionManifest(extensionLocation);
-		} catch (error) {
-			throw new Error(`Error while fetching manifest from the location '${extensionLocation.toString()}'. ${getErrorMessage(error)}`);
+	private async toWebExtension(extensionLocation: URI, identifier?: IExtensionIdentifier, manifest?: IExtensionManifest, packageNLSUris?: Map<string, URI>, fallbackPackageNLSUri?: URI | ITranslations | null, readmeUri?: URI, changelogUri?: URI, metadata?: Metadata): Promise<IWebExtension> {
+		if (!manifest) {
+			try {
+				manifest = await this.getExtensionManifest(extensionLocation);
+			} catch (error) {
+				throw new Error(`Error while fetching manifest from the location '${extensionLocation.toString()}'. ${getErrorMessage(error)}`);
+			}
 		}
 
 		if (!this.extensionManifestPropertiesService.canExecuteOnWeb(manifest)) {
@@ -616,7 +655,7 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 				fallbackPackageNLSUri = undefined;
 			}
 		}
-		const defaultManifestTranslations: ITranslations | null | undefined = fallbackPackageNLSUri ? await this.getTranslations(fallbackPackageNLSUri) : null;
+		const defaultManifestTranslations: ITranslations | null | undefined = fallbackPackageNLSUri ? URI.isUri(fallbackPackageNLSUri) ? await this.getTranslations(fallbackPackageNLSUri) : fallbackPackageNLSUri : null;
 
 		return {
 			identifier: { id: getGalleryExtensionId(manifest.publisher, manifest.name), uuid: identifier?.uuid },
@@ -626,7 +665,7 @@ export class WebExtensionsScannerService extends Disposable implements IWebExten
 			readmeUri,
 			changelogUri,
 			packageNLSUris,
-			fallbackPackageNLSUri: fallbackPackageNLSUri ? fallbackPackageNLSUri : undefined,
+			fallbackPackageNLSUri: URI.isUri(fallbackPackageNLSUri) ? fallbackPackageNLSUri : undefined,
 			defaultManifestTranslations,
 			metadata,
 		};
diff --git a/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts b/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts
index f1c61165b4c..9da19f74bda 100644
--- a/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts
+++ b/src/vs/workbench/services/extensions/common/extensionsApiProposals.ts
@@ -83,6 +83,7 @@ export const allApiProposals = Object.freeze({
 	terminalDimensions: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.terminalDimensions.d.ts',
 	terminalQuickFixProvider: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.terminalQuickFixProvider.d.ts',
 	testCoverage: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.testCoverage.d.ts',
+	testInvalidateResults: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.testInvalidateResults.d.ts',
 	testObserver: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.testObserver.d.ts',
 	textSearchProvider: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.textSearchProvider.d.ts',
 	timeline: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.timeline.d.ts',
diff --git a/src/vs/workbench/services/textfile/browser/textFileService.ts b/src/vs/workbench/services/textfile/browser/textFileService.ts
index 6920a263671..bebdacc22ba 100644
--- a/src/vs/workbench/services/textfile/browser/textFileService.ts
+++ b/src/vs/workbench/services/textfile/browser/textFileService.ts
@@ -507,7 +507,7 @@ export abstract class AbstractTextFileService extends Disposable implements ITex
 		let sourceTextModel: ITextModel | undefined = undefined;
 		if (sourceModel instanceof BaseTextEditorModel) {
 			if (sourceModel.isResolved()) {
-				sourceTextModel = sourceModel.textEditorModel;
+				sourceTextModel = withNullAsUndefined(sourceModel.textEditorModel);
 			}
 		} else {
 			sourceTextModel = sourceModel as ITextModel;
diff --git a/src/vs/workbench/services/userActivity/test/browser/domActivityTracker.test.ts b/src/vs/workbench/services/userActivity/test/browser/domActivityTracker.test.ts
index a2041267575..4c443c006a1 100644
--- a/src/vs/workbench/services/userActivity/test/browser/domActivityTracker.test.ts
+++ b/src/vs/workbench/services/userActivity/test/browser/domActivityTracker.test.ts
@@ -27,6 +27,7 @@ suite('DomActivityTracker', () => {
 		clock.restore();
 	});
 
+
 	test('marks inactive on no input', () => {
 		assert.equal(uas.isActive, true);
 		clock.tick(maxTimeToBecomeIdle);
diff --git a/src/vscode-dts/vscode.proposed.interactive.d.ts b/src/vscode-dts/vscode.proposed.interactive.d.ts
index c09be287b81..0ef30439611 100644
--- a/src/vscode-dts/vscode.proposed.interactive.d.ts
+++ b/src/vscode-dts/vscode.proposed.interactive.d.ts
@@ -151,6 +151,9 @@ declare module 'vscode' {
 		prepareSession(initialState: InteractiveSessionState | undefined, token: CancellationToken): ProviderResult<S>;
 		resolveRequest(session: S, context: InteractiveSessionRequestArgs | string, token: CancellationToken): ProviderResult<InteractiveRequest>;
 		provideResponseWithProgress(request: InteractiveRequest, progress: Progress<InteractiveProgress>, token: CancellationToken): ProviderResult<InteractiveResponseForProgress>;
+
+		// eslint-disable-next-line local/vscode-dts-provider-naming
+		removeRequest(session: S, requestId: string): void;
 	}
 
 	export interface InteractiveSessionDynamicRequest {
diff --git a/src/vscode-dts/vscode.proposed.portsAttributes.d.ts b/src/vscode-dts/vscode.proposed.portsAttributes.d.ts
index 6f07fe7aadf..cf130357ead 100644
--- a/src/vscode-dts/vscode.proposed.portsAttributes.d.ts
+++ b/src/vscode-dts/vscode.proposed.portsAttributes.d.ts
@@ -7,6 +7,9 @@ declare module 'vscode' {
 
 	// https://github.com/microsoft/vscode/issues/115616 @alexr00
 
+	/**
+	 * The action that should be taken when a port is discovered through automatic port forwarding discovery.
+	 */
 	export enum PortAutoForwardAction {
 		/**
 		 * Notify the user that the port is being forwarded. This is the default action.
@@ -67,21 +70,16 @@ declare module 'vscode' {
 		providePortAttributes(port: number, pid: number | undefined, commandLine: string | undefined, token: CancellationToken): ProviderResult<PortAttributes>;
 	}
 
-	export interface PortAttributesProviderSelector {
-		/**
-		 * TODO:  @alexr00 no one is currently using this. Should we delete it?
-		 * If your {@link PortAttributesProvider PortAttributesProvider} is registered after your process has started then already know the process id of port you are listening on.
-		 * Specifying a pid will cause your provider to only be called for ports that match the pid.
-		 */
-		pid?: number;
-
+	/**
+	 * A selector that will be used to filter which {@link PortAttributesProvider} should be called for each port.
+	 */
+	export interface PortAttributesSelector {
 		/**
 		 * Specifying a port range will cause your provider to only be called for ports within the range.
 		 */
 		portRange?: [number, number];
 
 		/**
-		 * TODO: @alexr00 no one is currently using this. Should we delete it?
 		 * Specifying a command pattern will cause your provider to only be called for processes whose command line matches the pattern.
 		 */
 		commandPattern?: RegExp;
@@ -100,6 +98,6 @@ declare module 'vscode' {
 		 * If you don't specify a port selector your provider will be called for every port, which will result in slower port forwarding for the user.
 		 * @param provider The {@link PortAttributesProvider PortAttributesProvider}.
 		 */
-		export function registerPortAttributesProvider(portSelector: PortAttributesProviderSelector, provider: PortAttributesProvider): Disposable;
+		export function registerPortAttributesProvider(portSelector: PortAttributesSelector, provider: PortAttributesProvider): Disposable;
 	}
 }
diff --git a/src/vscode-dts/vscode.proposed.testInvalidateResults.d.ts b/src/vscode-dts/vscode.proposed.testInvalidateResults.d.ts
new file mode 100644
index 00000000000..35f955c2f4d
--- /dev/null
+++ b/src/vscode-dts/vscode.proposed.testInvalidateResults.d.ts
@@ -0,0 +1,30 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+// https://github.com/microsoft/vscode/issues/134970
+
+declare module 'vscode' {
+
+	export interface TestController {
+
+		/**
+		 * Marks an item's results as being outdated. This is commonly called when
+		 * code or configuration changes and previous results should no longer
+		 * be considered relevant. The same logic used to mark results as outdated
+		 * may be used to drive {@link TestRunRequest.continuous continuous test runs}.
+		 *
+		 * If an item is passed to this method, test results for the item and all of
+		 * its children will be marked as outdated. If no item is passed, then all
+		 * test owned by the TestController will be marked as outdated.
+		 *
+		 * Any test runs started before the moment this method is called, including
+		 * runs which may still be ongoing, will be marked as outdated and deprioritized
+		 * in the editor's UI.
+		 *
+		 * @param item Item to mark as outdated. If undefined, all the controller's items are marked outdated.
+		 */
+		invalidateTestResults(item?: TestItem): void;
+	}
+}
diff --git a/yarn.lock b/yarn.lock
index ed38da917db..b4adddd0a59 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9782,10 +9782,10 @@ typescript@^4.7.4:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
   integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
 
-typescript@^5.2.0-dev.20230516:
-  version "5.2.0-dev.20230516"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.0-dev.20230516.tgz#9dc4d02c031cdf311ddb6ee646be09d5f13de4c9"
-  integrity sha512-DGK8md4PQgA6QG9JnvC6LecNnBstc1h6zrg71isrlZTsRFVl3EsID6D2Exrh4ULbxynA61PE13M+uOmLFWOu4w==
+typescript@^5.2.0-dev.20230524:
+  version "5.2.0-dev.20230524"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.2.0-dev.20230524.tgz#c2714b82f5ef8c63328a253692ae0b8c244c86d6"
+  integrity sha512-1XzSUJCt31jm7jIZ3vBKzK46ZxnmqX2VdVg/dur9AIaz9WmidrABs7F8H8d4onpIV8RYD/L6xW6MXR5EHjl+LA==
 
 typical@^4.0.0:
   version "4.0.0"