diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3470ab0af9a..f3d140b7b94 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,8 +48,8 @@ jobs:
       - name: Run Valid Layers Checks
         run: yarn valid-layers-check
 
-  compile:
-    name: Compile Build
+  build-compile:
+    name: "Build: Compile"
     runs-on: ubuntu-latest
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -98,9 +98,9 @@ jobs:
       - name: Minify VS Code
         run: yarn gulp minify-vscode
 
-  linux-build:
-    name: Linux Build
-    needs: compile
+  build-linux-unit-tests:
+    name: "Build: Linux Unit Tests"
+    needs: build-compile
     runs-on: ubuntu-latest
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -161,9 +161,224 @@ jobs:
       - name: Run Unit Tests (Browser)
         run: DISPLAY=:10 yarn test-browser --build --browser chromium
 
+  build-linux-integration-tests:
+    name: "Build: Linux Integration Tests"
+    needs: build-compile
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+
+      # TODO: rename azure-pipelines/linux/xvfb.init to github-actions
+      - name: Setup Build Environment
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxkbfile-dev pkg-config libsecret-1-dev libxss1 dbus xvfb libgtk-3-0 libgbm1
+          sudo cp build/azure-pipelines/linux/xvfb.init /etc/init.d/xvfb
+          sudo chmod +x /etc/init.d/xvfb
+          sudo update-rc.d xvfb defaults
+          sudo service xvfb start
+
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: 12
+
+      - name: Restore cached node modules
+        id: cacheNodeModules
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-cacheNodeModules-${{ hashFiles('.yarnrc', 'remote/.yarnrc', '**/yarn.lock', '!**/node_modules/**/yarn.lock', '!**/.*/**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-cacheNodeModules-
+
+      - name: Restore cached /build/ scripts
+        id: cacheBuildScripts
+        uses: actions/cache@v2
+        with:
+          path: build/**/*.js
+          key: ${{ runner.os }}-cacheBuildScripts-${{ hashFiles('build/yarn.lock', 'build/tsconfig.json', 'build/tsconfig.build.json', 'build/**/*.ts', '!**/node_modules/**/*.ts') }}
+
+      - name: Restore cached compiled code
+        id: cacheCompiledCode
+        uses: actions/cache@v2
+        with:
+          path: |
+            .build
+            out-build
+            out-vscode-min
+          key: cacheCompiledCode-${{ env.GITHUB_SHA }}
+
+      - name: Build VS Code
+        run: yarn gulp vscode-linux-x64-min-ci
+
+      - name: Download Electron
+        run: yarn electron x64
+
       - name: Run Integration Tests (Electron)
         run: DISPLAY=:10 ./scripts/test-integration.sh --build
 
+  build-darwin-unit-tests:
+    name: "Build: macOS Unit Tests"
+    needs: build-compile
+    runs-on: macos-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: 12
+
+      - name: Cache node modules
+        id: cacheNodeModules
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-cacheNodeModules-${{ hashFiles('.yarnrc', 'remote/.yarnrc', '**/yarn.lock', '!**/node_modules/**/yarn.lock', '!**/.*/**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-cacheNodeModules-
+      - name: Cache /build/ scripts
+        id: cacheBuildScripts
+        uses: actions/cache@v2
+        with:
+          path: build/**/*.js
+          key: ${{ runner.os }}-cacheBuildScripts-${{ hashFiles('build/yarn.lock', 'build/tsconfig.json', 'build/tsconfig.build.json', 'build/**/*.ts', '!**/node_modules/**/*.ts') }}
+      - name: Execute yarn
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' || steps.cacheBuildScripts.outputs.cache-hit != 'true' }}
+        env:
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+        run: yarn --frozen-lockfile
+
+      - name: Restore cached compiled code
+        id: cacheCompiledCode
+        uses: actions/cache@v2
+        with:
+          path: |
+            .build
+            out-build
+            out-vscode-min
+          key: cacheCompiledCode-${{ env.GITHUB_SHA }}
+
+      - name: Build VS Code
+        run: yarn gulp vscode-darwin-x64-min-ci
+
+      - name: Download Electron
+        run: yarn electron x64
+
+      - name: Run Unit Tests (Electron)
+        run: ./scripts/test.sh --build
+
+      - name: Download Playwright
+        run: node ./node_modules/playwright/install.js
+
+      - name: Run Unit Tests (Browser)
+        run: yarn test-browser --build --browser chromium --browser webkit --browser firefox
+
+  build-darwin-integration-tests:
+    name: "Build: macOS Integration Tests"
+    needs: build-compile
+    runs-on: macos-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: 12
+
+      - name: Cache node modules
+        id: cacheNodeModules
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-cacheNodeModules-${{ hashFiles('.yarnrc', 'remote/.yarnrc', '**/yarn.lock', '!**/node_modules/**/yarn.lock', '!**/.*/**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-cacheNodeModules-
+      - name: Cache /build/ scripts
+        id: cacheBuildScripts
+        uses: actions/cache@v2
+        with:
+          path: build/**/*.js
+          key: ${{ runner.os }}-cacheBuildScripts-${{ hashFiles('build/yarn.lock', 'build/tsconfig.json', 'build/tsconfig.build.json', 'build/**/*.ts', '!**/node_modules/**/*.ts') }}
+      - name: Execute yarn
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' || steps.cacheBuildScripts.outputs.cache-hit != 'true' }}
+        env:
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+        run: yarn --frozen-lockfile
+
+      - name: Restore cached compiled code
+        id: cacheCompiledCode
+        uses: actions/cache@v2
+        with:
+          path: |
+            .build
+            out-build
+            out-vscode-min
+          key: cacheCompiledCode-${{ env.GITHUB_SHA }}
+
+      - name: Build VS Code
+        run: yarn gulp vscode-darwin-x64-min-ci
+
+      - name: Download Electron
+        run: yarn electron x64
+
+      - name: Run Integration Tests (Electron)
+        run: ./scripts/test-integration.sh --build
+
+  build-darwin-smoke-tests:
+    name: "Build: macOS Smoke Tests"
+    needs: build-compile
+    runs-on: macos-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2-beta
+        with:
+          node-version: 12
+
+      - name: Cache node modules
+        id: cacheNodeModules
+        uses: actions/cache@v2
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-cacheNodeModules-${{ hashFiles('.yarnrc', 'remote/.yarnrc', '**/yarn.lock', '!**/node_modules/**/yarn.lock', '!**/.*/**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-cacheNodeModules-
+      - name: Cache /build/ scripts
+        id: cacheBuildScripts
+        uses: actions/cache@v2
+        with:
+          path: build/**/*.js
+          key: ${{ runner.os }}-cacheBuildScripts-${{ hashFiles('build/yarn.lock', 'build/tsconfig.json', 'build/tsconfig.build.json', 'build/**/*.ts', '!**/node_modules/**/*.ts') }}
+      - name: Execute yarn
+        if: ${{ steps.cacheNodeModules.outputs.cache-hit != 'true' || steps.cacheBuildScripts.outputs.cache-hit != 'true' }}
+        env:
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+        run: yarn --frozen-lockfile
+
+      - name: Restore cached compiled code
+        id: cacheCompiledCode
+        uses: actions/cache@v2
+        with:
+          path: |
+            .build
+            out-build
+            out-vscode-min
+          key: cacheCompiledCode-${{ env.GITHUB_SHA }}
+
+      - name: Build VS Code
+        run: yarn gulp vscode-darwin-x64-min-ci
+
+      - name: Run Smoke Tests (Electron)
+        continue-on-error: true
+        run: |
+          set -e
+          APP_ROOT=$(GITHUB_WORKSPACE)/VSCode-darwin-x64
+          APP_NAME="`ls $APP_ROOT | head -n 1`"
+          yarn smoketest --build "$APP_ROOT/$APP_NAME"
+
   linux:
     name: Linux
     runs-on: ubuntu-latest