diff --git a/src/vs/editor/browser/editorExtensions.ts b/src/vs/editor/browser/editorExtensions.ts
index d5645730c37..2676bb009b2 100644
--- a/src/vs/editor/browser/editorExtensions.ts
+++ b/src/vs/editor/browser/editorExtensions.ts
@@ -487,7 +487,7 @@ export namespace EditorExtensionsRegistry {
 		return EditorContributionRegistry.INSTANCE.getEditorCommand(commandId);
 	}
 
-	export function getEditorActions(): EditorAction[] {
+	export function getEditorActions(): Iterable<EditorAction> {
 		return EditorContributionRegistry.INSTANCE.getEditorActions();
 	}
 
@@ -546,8 +546,8 @@ class EditorContributionRegistry {
 		this.editorActions.push(action);
 	}
 
-	public getEditorActions(): EditorAction[] {
-		return this.editorActions.slice(0);
+	public getEditorActions(): Iterable<EditorAction> {
+		return this.editorActions;
 	}
 
 	public registerEditorCommand(editorCommand: EditorCommand) {
diff --git a/src/vs/editor/browser/widget/codeEditorWidget.ts b/src/vs/editor/browser/widget/codeEditorWidget.ts
index 403b5e61c2f..2872e6be0f0 100644
--- a/src/vs/editor/browser/widget/codeEditorWidget.ts
+++ b/src/vs/editor/browser/widget/codeEditorWidget.ts
@@ -343,10 +343,10 @@ export class CodeEditorWidget extends Disposable implements editorBrowser.ICodeE
 			}
 		}
 
-		EditorExtensionsRegistry.getEditorActions().forEach((action) => {
+		for (const action of EditorExtensionsRegistry.getEditorActions()) {
 			if (this._actions[action.id]) {
 				onUnexpectedError(new Error(`Cannot have two actions with the same id ${action.id}`));
-				return;
+				continue;
 			}
 			const internalAction = new InternalEditorAction(
 				action.id,
@@ -361,7 +361,7 @@ export class CodeEditorWidget extends Disposable implements editorBrowser.ICodeE
 				this._contextKeyService
 			);
 			this._actions[internalAction.id] = internalAction;
-		});
+		}
 
 		const isDropIntoEnabled = () => {
 			return !this._configuration.options.get(EditorOption.readOnly)
diff --git a/src/vs/workbench/contrib/comments/browser/simpleCommentEditor.ts b/src/vs/workbench/contrib/comments/browser/simpleCommentEditor.ts
index c4ec1bbf5e3..c94bdc405fa 100644
--- a/src/vs/workbench/contrib/comments/browser/simpleCommentEditor.ts
+++ b/src/vs/workbench/contrib/comments/browser/simpleCommentEditor.ts
@@ -76,7 +76,7 @@ export class SimpleCommentEditor extends CodeEditorWidget {
 		return this._parentThread;
 	}
 
-	protected _getActions(): EditorAction[] {
+	protected _getActions(): Iterable<EditorAction> {
 		return EditorExtensionsRegistry.getEditorActions();
 	}
 
diff --git a/src/vs/workbench/contrib/mergeEditor/browser/view/editors/resultCodeEditorView.ts b/src/vs/workbench/contrib/mergeEditor/browser/view/editors/resultCodeEditorView.ts
index 6d4006e97ba..af9124ee5a0 100644
--- a/src/vs/workbench/contrib/mergeEditor/browser/view/editors/resultCodeEditorView.ts
+++ b/src/vs/workbench/contrib/mergeEditor/browser/view/editors/resultCodeEditorView.ts
@@ -7,6 +7,7 @@ import { reset } from 'vs/base/browser/dom';
 import { renderLabelWithIcons } from 'vs/base/browser/ui/iconLabel/iconLabels';
 import { CompareResult } from 'vs/base/common/arrays';
 import { BugIndicatingError } from 'vs/base/common/errors';
+import { Iterable } from 'vs/base/common/iterator';
 import { toDisposable } from 'vs/base/common/lifecycle';
 import { autorun, autorunWithStore, derived, IObservable } from 'vs/base/common/observable';
 import { IEditorContributionDescription, EditorExtensionsRegistry } from 'vs/editor/browser/editorExtensions';
@@ -205,7 +206,7 @@ export class ResultCodeEditorView extends CodeEditorView {
 		return result;
 	});
 
-	protected override getEditorContributions(): IEditorContributionDescription[] | undefined {
-		return Array.from(EditorExtensionsRegistry.getEditorContributions()).filter(c => c.id !== CodeLensContribution.ID);
+	protected override getEditorContributions(): Iterable<IEditorContributionDescription> | undefined {
+		return Iterable.filter(EditorExtensionsRegistry.getEditorContributions(), c => c.id !== CodeLensContribution.ID);
 	}
 }
diff --git a/src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts b/src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts
index c6312374488..1b9edd9c0d4 100644
--- a/src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts
+++ b/src/vs/workbench/contrib/preferences/browser/keybindingsEditor.ts
@@ -519,7 +519,9 @@ export class KeybindingsEditor extends EditorPane implements IKeybindingsEditorP
 
 	private getActionsLabels(): Map<string, string> {
 		const actionsLabels: Map<string, string> = new Map<string, string>();
-		EditorExtensionsRegistry.getEditorActions().forEach(editorAction => actionsLabels.set(editorAction.id, editorAction.label));
+		for (const editorAction of EditorExtensionsRegistry.getEditorActions()) {
+			actionsLabels.set(editorAction.id, editorAction.label);
+		}
 		for (const menuItem of MenuRegistry.getMenuItems(MenuId.CommandPalette)) {
 			if (isIMenuItem(menuItem)) {
 				const title = typeof menuItem.command.title === 'string' ? menuItem.command.title : menuItem.command.title.value;