Merge from vscode ec07311dab2556c9d66a4cb3eecdc21c524202e1 (#6739)

2026-06-15 08:25:07 -04:00 · 2019-08-13 19:14:03 -07:00
parent a645a09f42
commit 82c1c57c76
77 changed files with 1319 additions and 741 deletions
--- a/extensions/git/package.json
+++ b/extensions/git/package.json
@@ -1354,6 +1354,15 @@
          "scope": "resource",
          "default": false,
          "description": "%config.supportCancellation%"
+        },
+        "git.branchSortOrder": {
+          "type": "string",
+          "enum": [
+            "committerdate",
+            "alphabetically"
+          ],
+          "default": "committerdate",
+          "description": "%config.branchSortOrder%"
        }
      }
    },
--- a/extensions/git/package.nls.json
+++ b/extensions/git/package.nls.json
@@ -127,6 +127,7 @@
 	"config.confirmForcePush": "Controls whether to ask for confirmation before force-pushing.",
 	"config.openDiffOnClick": "Controls whether the diff editor should be opened when clicking a change. Otherwise the regular editor will be opened.",
 	"config.supportCancellation": "Controls whether a notification comes up when running the Sync action, which allows the user to cancel the operation.",
+	"config.branchSortOrder": "Controls the sort order for branches.",
 	"colors.added": "Color for added resources.",
 	"colors.modified": "Color for modified resources.",
 	"colors.deleted": "Color for deleted resources.",
--- a/extensions/git/src/git.ts
+++ b/extensions/git/src/git.ts
@@ -1624,8 +1624,14 @@ export class Repository {
 			.map(([ref]) => ({ name: ref, type: RefType.Head } as Branch));
 	}

-	async getRefs(): Promise<Ref[]> {
-		const result = await this.run(['for-each-ref', '--format', '%(refname) %(objectname)', '--sort', '-committerdate']);
+	async getRefs(opts?: { sort?: 'alphabetically' | 'committerdate' }): Promise<Ref[]> {
+		const args = ['for-each-ref', '--format', '%(refname) %(objectname)'];
+
+		if (opts && opts.sort && opts.sort !== 'alphabetically') {
+			args.push('--sort', opts.sort);
+		}
+
+		const result = await this.run(args);

 		const fn = (line: string): Ref | null => {
 			let match: RegExpExecArray | null;
--- a/extensions/git/src/repository.ts
+++ b/extensions/git/src/repository.ts
@@ -701,6 +701,9 @@ export class Repository implements Disposable {
 		onConfigListener(updateIndexGroupVisibility, this, this.disposables);
 		updateIndexGroupVisibility();

+		const onConfigListenerForBranchSortOrder = filterEvent(workspace.onDidChangeConfiguration, e => e.affectsConfiguration('git.branchSortOrder', root));
+		onConfigListenerForBranchSortOrder(this.updateModelState, this, this.disposables);
+
 		this.mergeGroup.hideWhenEmpty = true;

 		this.disposables.push(this.mergeGroup);
@@ -1405,7 +1408,6 @@ export class Repository implements Disposable {
 		const config = workspace.getConfiguration('git');
 		const shouldIgnore = config.get<boolean>('ignoreLimitWarning') === true;
 		const useIcons = !config.get<boolean>('decorations.enabled', true);
-
 		this.isRepositoryHuge = didHitLimit;

 		if (didHitLimit && !shouldIgnore && !this.didWarnAboutLimit) {
@@ -1455,7 +1457,8 @@ export class Repository implements Disposable {
 			// noop
 		}

-		const [refs, remotes, submodules, rebaseCommit] = await Promise.all([this.repository.getRefs(), this.repository.getRemotes(), this.repository.getSubmodules(), this.getRebaseCommit()]);
+		const sort = config.get<'alphabetically' | 'committerdate'>('branchSortOrder') || 'alphabetically';
+		const [refs, remotes, submodules, rebaseCommit] = await Promise.all([this.repository.getRefs({ sort }), this.repository.getRemotes(), this.repository.getSubmodules(), this.getRebaseCommit()]);

 		this._HEAD = HEAD;
 		this._refs = refs;
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
    "vscode-ripgrep": "^1.5.6",
    "vscode-sqlite3": "4.0.8",
    "vscode-textmate": "^4.2.2",
-    "xterm": "3.15.0-beta98",
+    "xterm": "3.15.0-beta99",
    "xterm-addon-search": "0.2.0-beta3",
    "xterm-addon-web-links": "0.1.0-beta10",
    "yauzl": "^2.9.2",
--- a/remote/package.json
+++ b/remote/package.json
@@ -21,7 +21,7 @@
    "vscode-proxy-agent": "0.4.0",
    "vscode-ripgrep": "^1.5.6",
    "vscode-textmate": "^4.2.2",
-    "xterm": "3.15.0-beta98",
+    "xterm": "3.15.0-beta99",
    "xterm-addon-search": "0.2.0-beta3",
    "xterm-addon-web-links": "0.1.0-beta10",
    "yauzl": "^2.9.2",
--- a/remote/web/.yarnrc
+++ b/remote/web/.yarnrc
@@ -1,3 +0,0 @@
-disturl "http://nodejs.org/dist"
-target "10.11.0"
-runtime "node"
--- a/remote/yarn.lock
+++ b/remote/yarn.lock
@@ -1227,10 +1227,10 @@ xterm-addon-web-links@0.1.0-beta10:
  resolved "https://registry.yarnpkg.com/xterm-addon-web-links/-/xterm-addon-web-links-0.1.0-beta10.tgz#610fa9773a2a5ccd41c1c83ba0e2dd2c9eb66a23"
  integrity sha512-xfpjy0V6bB4BR44qIgZQPoCMVakxb65gMscPkHpO//QxvUxKzabV3dxOsIbeZRFkUGsWTFlvz2OoaBLoNtv5gg==

-xterm@3.15.0-beta98:
-  version "3.15.0-beta98"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-3.15.0-beta98.tgz#37f37c35577422880e7ef673cc37f9d2a45dd40c"
-  integrity sha512-vZbg2LcRvoiJOgr1MyeLFM9mF4uib3BWUWDHyFc+vZ58CTuK0iczOvFXgk/ySo23ZLqwmHQSigLgmWvZ8J5G0Q==
+xterm@3.15.0-beta99:
+  version "3.15.0-beta99"
+  resolved "https://registry.yarnpkg.com/xterm/-/xterm-3.15.0-beta99.tgz#0010a7ea5d56cbb08a1e3a525b353c96a158e7a0"
+  integrity sha512-Vm0ZWToWwO4uk/28Kqvqt9L92h5EU2z4WR9I6xcQaPIBmkJPINIARU4LWQnvaOfgFhRbpwBMveTfh8/jM97lPg==

 yauzl@^2.9.2:
  version "2.10.0"
--- a/src/sql/workbench/api/common/sqlExtHost.api.impl.ts
+++ b/src/sql/workbench/api/common/sqlExtHost.api.impl.ts
@@ -22,7 +22,6 @@ import { ExtHostModelView } from 'sql/workbench/api/common/extHostModelView';
 import { ExtHostConnectionManagement } from 'sql/workbench/api/common/extHostConnectionManagement';
 import { ExtHostDashboard } from 'sql/workbench/api/common/extHostDashboard';
 import { ExtHostObjectExplorer } from 'sql/workbench/api/common/extHostObjectExplorer';
-import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { ExtHostModelViewDialog } from 'sql/workbench/api/common/extHostModelViewDialog';
 import { ExtHostModelViewTreeViews } from 'sql/workbench/api/common/extHostModelViewTree';
 import { ExtHostQueryEditor } from 'sql/workbench/api/common/extHostQueryEditor';
@@ -56,7 +55,7 @@ export function createApiFactory(accessor: ServicesAccessor): ISqlExtensionApiFa
 	const instaServer = accessor.get(IInstantiationService);
 	const uriTransformer = accessor.get(IURITransformerService);
 	const rpcProtocol = accessor.get(IExtHostRpcService);
-	const extHostLogService = <ExtHostLogService>accessor.get(ILogService);
+	const extHostLogService = accessor.get(ILogService);
 	let vsCodeFactory = instaServer.invokeFunction(extHostApi.createApiFactoryAndRegisterActors);

 	// Addressable instances
--- a/src/tsconfig.monaco.json
+++ b/src/tsconfig.monaco.json
@@ -14,7 +14,7 @@
 	},
 	"include": [
 		"typings/require.d.ts",
-		"./typings/require-monaco.d.ts",
+		"typings/require-monaco.d.ts",
 		"typings/thenable.d.ts",
 		"typings/es6-promise.d.ts",
 		"typings/lib.es2018.promise.d.ts",
--- a/src/vs/base/browser/ui/grid/grid.ts
+++ b/src/vs/base/browser/ui/grid/grid.ts
@@ -7,7 +7,7 @@ import 'vs/css!./gridview';
 import { Orientation } from 'vs/base/browser/ui/sash/sash';
 import { Disposable } from 'vs/base/common/lifecycle';
 import { tail2 as tail, equals } from 'vs/base/common/arrays';
-import { orthogonal, IView as IGridViewView, GridView, Sizing as GridViewSizing, Box, IGridViewStyles, IViewSize, ILayoutController, LayoutController } from './gridview';
+import { orthogonal, IView as IGridViewView, GridView, Sizing as GridViewSizing, Box, IGridViewStyles, IViewSize, LayoutController, IGridViewOptions } from './gridview';
 import { Event } from 'vs/base/common/event';
 import { InvisibleSizing } from 'vs/base/browser/ui/splitview/splitview';

@@ -193,11 +193,8 @@ export namespace Sizing {

 export interface IGridStyles extends IGridViewStyles { }

-export interface IGridOptions {
-	readonly styles?: IGridStyles;
-	readonly proportionalLayout?: boolean;
+export interface IGridOptions extends IGridViewOptions {
 	readonly firstViewVisibleCachedSize?: number;
-	readonly layoutController?: ILayoutController;
 }

 export class Grid<T extends IView = IView> extends Disposable {
--- a/src/vs/base/browser/ui/grid/gridview.ts
+++ b/src/vs/base/browser/ui/grid/gridview.ts
@@ -76,6 +76,11 @@ export class LayoutController implements ILayoutController {
 	constructor(public isLayoutEnabled: boolean) { }
 }

+export class MultiplexLayoutController implements ILayoutController {
+	get isLayoutEnabled(): boolean { return this.layoutControllers.every(l => l.isLayoutEnabled); }
+	constructor(private layoutControllers: ILayoutController[]) { }
+}
+
 export interface IGridViewOptions {
 	readonly styles?: IGridViewStyles;
 	readonly proportionalLayout?: boolean; // default true
@@ -170,6 +175,7 @@ class BranchNode implements ISplitView, IDisposable {

 	constructor(
 		readonly orientation: Orientation,
+		readonly layoutController: ILayoutController,
 		styles: IGridViewStyles,
 		readonly proportionalLayout: boolean,
 		size: number = 0,
@@ -181,7 +187,7 @@ class BranchNode implements ISplitView, IDisposable {

 		this.element = $('.monaco-grid-branch-node');
 		this.splitview = new SplitView(this.element, { orientation, styles, proportionalLayout });
-		this.splitview.layout(size);
+		this.splitview.layout(size, orthogonalSize);

 		const onDidSashReset = Event.map(this.splitview.onDidSashReset, i => [i]);
 		this.splitviewSashResetDisposable = onDidSashReset(this._onDidSashReset.fire, this._onDidSashReset);
@@ -198,12 +204,20 @@ class BranchNode implements ISplitView, IDisposable {
 		}
 	}

-	layout(size: number): void {
+	layout(size: number, orthogonalSize: number | undefined): void {
+		if (!this.layoutController.isLayoutEnabled) {
+			return;
+		}
+
+		if (typeof orthogonalSize !== 'number') {
+			throw new Error('Invalid state');
+		}
+
+		// branch nodes should flip the normal/orthogonal directions
+		this._size = orthogonalSize;
 		this._orthogonalSize = size;

-		for (const child of this.children) {
-			child.orthogonalLayout(size);
-		}
+		this.splitview.layout(orthogonalSize, size);
 	}

 	setVisible(visible: boolean): void {
@@ -212,11 +226,6 @@ class BranchNode implements ISplitView, IDisposable {
 		}
 	}

-	orthogonalLayout(size: number): void {
-		this._size = size;
-		this.splitview.layout(size);
-	}
-
 	addChild(node: Node, size: number | Sizing, index: number): void {
 		if (index < 0 || index > this.children.length) {
 			throw new Error('Invalid index');
@@ -347,6 +356,10 @@ class BranchNode implements ISplitView, IDisposable {
 			throw new Error('Invalid index');
 		}

+		if (this.splitview.isViewVisible(index) === visible) {
+			return;
+		}
+
 		this.splitview.setViewVisible(index, visible);
 		this._onDidChange.fire(undefined);
 	}
@@ -539,12 +552,18 @@ class LeafNode implements ISplitView, IDisposable {
 		// noop
 	}

-	layout(size: number): void {
-		this._size = size;
-
-		if (this.layoutController.isLayoutEnabled) {
-			this.view.layout(this.width, this.height, orthogonal(this.orientation));
+	layout(size: number, orthogonalSize: number | undefined): void {
+		if (!this.layoutController.isLayoutEnabled) {
+			return;
 		}
+
+		if (typeof orthogonalSize !== 'number') {
+			throw new Error('Invalid state');
+		}
+
+		this._size = size;
+		this._orthogonalSize = orthogonalSize;
+		this.view.layout(this.width, this.height, orthogonal(this.orientation));
 	}

 	setVisible(visible: boolean): void {
@@ -553,14 +572,6 @@ class LeafNode implements ISplitView, IDisposable {
 		}
 	}

-	orthogonalLayout(size: number): void {
-		this._orthogonalSize = size;
-
-		if (this.layoutController.isLayoutEnabled) {
-			this.view.layout(this.width, this.height, orthogonal(this.orientation));
-		}
-	}
-
 	dispose(): void { }
 }

@@ -568,7 +579,7 @@ type Node = BranchNode | LeafNode;

 function flipNode<T extends Node>(node: T, size: number, orthogonalSize: number): T {
 	if (node instanceof BranchNode) {
-		const result = new BranchNode(orthogonal(node.orientation), node.styles, node.proportionalLayout, size, orthogonalSize);
+		const result = new BranchNode(orthogonal(node.orientation), node.layoutController, node.styles, node.proportionalLayout, size, orthogonalSize);

 		let totalSize = 0;

@@ -589,7 +600,7 @@ function flipNode<T extends Node>(node: T, size: number, orthogonalSize: number)

 		return result as T;
 	} else {
-		return new LeafNode((node as LeafNode).view, orthogonal(node.orientation), (node as LeafNode).layoutController, orthogonalSize) as T;
+		return new LeafNode((node as LeafNode).view, orthogonal(node.orientation), node.layoutController, orthogonalSize) as T;
 	}
 }

@@ -634,8 +645,7 @@ export class GridView implements IDisposable {

 		const { size, orthogonalSize } = this._root;
 		this.root = flipNode(this._root, orthogonalSize, size);
-		this.root.layout(size);
-		this.root.orthogonalLayout(orthogonalSize);
+		this.root.layout(size, orthogonalSize);
 	}

 	get width(): number { return this.root.width; }
@@ -649,14 +659,25 @@ export class GridView implements IDisposable {
 	private _onDidChange = new Relay<IViewSize | undefined>();
 	readonly onDidChange = this._onDidChange.event;

+	/**
+	 * The first layout controller makes sure layout only propagates
+	 * to the views after the very first call to gridview.layout()
+	 */
+	private firstLayoutController: LayoutController;
 	private layoutController: LayoutController;

 	constructor(options: IGridViewOptions = {}) {
 		this.element = $('.monaco-grid-view');
 		this.styles = options.styles || defaultStyles;
 		this.proportionalLayout = typeof options.proportionalLayout !== 'undefined' ? !!options.proportionalLayout : true;
-		this.root = new BranchNode(Orientation.VERTICAL, this.styles, this.proportionalLayout);
-		this.layoutController = options.layoutController || new LayoutController(true);
+
+		this.firstLayoutController = new LayoutController(false);
+		this.layoutController = new MultiplexLayoutController([
+			this.firstLayoutController,
+			...(options.layoutController ? [options.layoutController] : [])
+		]);
+
+		this.root = new BranchNode(Orientation.VERTICAL, this.layoutController, this.styles, this.proportionalLayout);
 	}

 	style(styles: IGridViewStyles): void {
@@ -665,9 +686,10 @@ export class GridView implements IDisposable {
 	}

 	layout(width: number, height: number): void {
+		this.firstLayoutController.isLayoutEnabled = true;
+
 		const [size, orthogonalSize] = this.root.orientation === Orientation.HORIZONTAL ? [height, width] : [width, height];
-		this.root.layout(size);
-		this.root.orthogonalLayout(orthogonalSize);
+		this.root.layout(size, orthogonalSize);
 	}

 	addView(view: IView, size: number | Sizing, location: number[]): void {
@@ -694,9 +716,8 @@ export class GridView implements IDisposable {

 			grandParent.removeChild(parentIndex);

-			const newParent = new BranchNode(parent.orientation, this.styles, this.proportionalLayout, parent.size, parent.orthogonalSize);
+			const newParent = new BranchNode(parent.orientation, parent.layoutController, this.styles, this.proportionalLayout, parent.size, parent.orthogonalSize);
 			grandParent.addChild(newParent, parent.size, parentIndex);
-			newParent.orthogonalLayout(parent.orthogonalSize);

 			const newSibling = new LeafNode(parent.view, grandParent.orientation, this.layoutController, parent.size);
 			newParent.addChild(newSibling, newSiblingSize, 0);
@@ -827,9 +848,6 @@ export class GridView implements IDisposable {

 			fromParent.addChild(toNode, fromSize, fromIndex);
 			toParent.addChild(fromNode, toSize, toIndex);
-
-			fromParent.layout(fromParent.orthogonalSize);
-			toParent.layout(toParent.orthogonalSize);
 		}
 	}

--- a/src/vs/base/browser/ui/splitview/splitview.ts
+++ b/src/vs/base/browser/ui/splitview/splitview.ts
@@ -24,12 +24,12 @@ const defaultStyles: ISplitViewStyles = {
 };

 export interface ISplitViewOptions {
-	orientation?: Orientation; // default Orientation.VERTICAL
-	styles?: ISplitViewStyles;
-	orthogonalStartSash?: Sash;
-	orthogonalEndSash?: Sash;
-	inverseAltBehavior?: boolean;
-	proportionalLayout?: boolean; // default true
+	readonly orientation?: Orientation; // default Orientation.VERTICAL
+	readonly styles?: ISplitViewStyles;
+	readonly orthogonalStartSash?: Sash;
+	readonly orthogonalEndSash?: Sash;
+	readonly inverseAltBehavior?: boolean;
+	readonly proportionalLayout?: boolean; // default true
 }

 /**
@@ -48,7 +48,7 @@ export interface IView {
 	readonly onDidChange: Event<number | undefined>;
 	readonly priority?: LayoutPriority;
 	readonly snap?: boolean;
-	layout(size: number, orientation: Orientation): void;
+	layout(size: number, orthogonalSize: number | undefined): void;
 	setVisible?(visible: boolean): void;
 }

@@ -125,13 +125,13 @@ abstract class ViewItem {
 		dom.addClass(container, 'visible');
 	}

-	layout(): void {
+	layout(_orthogonalSize: number | undefined): void {
 		this.container.scrollTop = 0;
 		this.container.scrollLeft = 0;
 	}

-	layoutView(orientation: Orientation): void {
-		this.view.layout(this.size, orientation);
+	layoutView(orthogonalSize: number | undefined): void {
+		this.view.layout(this.size, orthogonalSize);
 	}

 	dispose(): IView {
@@ -142,19 +142,19 @@ abstract class ViewItem {

 class VerticalViewItem extends ViewItem {

-	layout(): void {
-		super.layout();
+	layout(orthogonalSize: number | undefined): void {
+		super.layout(orthogonalSize);
 		this.container.style.height = `${this.size}px`;
-		this.layoutView(Orientation.VERTICAL);
+		this.layoutView(orthogonalSize);
 	}
 }

 class HorizontalViewItem extends ViewItem {

-	layout(): void {
-		super.layout();
+	layout(orthogonalSize: number | undefined): void {
+		super.layout(orthogonalSize);
 		this.container.style.width = `${this.size}px`;
-		this.layoutView(Orientation.HORIZONTAL);
+		this.layoutView(orthogonalSize);
 	}
 }

@@ -205,6 +205,7 @@ export class SplitView extends Disposable {
 	private sashContainer: HTMLElement;
 	private viewContainer: HTMLElement;
 	private size = 0;
+	private orthogonalSize: number | undefined;
 	private contentSize = 0;
 	private proportions: undefined | number[] = undefined;
 	private viewItems: ViewItem[] = [];
@@ -475,9 +476,10 @@ export class SplitView extends Disposable {
 		return viewItem.cachedVisibleSize;
 	}

-	layout(size: number): void {
+	layout(size: number, orthogonalSize?: number): void {
 		const previousSize = Math.max(this.size, this.contentSize);
 		this.size = size;
+		this.orthogonalSize = orthogonalSize;

 		if (!this.proportions) {
 			const indexes = range(this.viewItems.length);
@@ -820,7 +822,7 @@ export class SplitView extends Disposable {
 		this.contentSize = this.viewItems.reduce((r, i) => r + i.size, 0);

 		// Layout views
-		this.viewItems.forEach(item => item.layout());
+		this.viewItems.forEach(item => item.layout(this.orthogonalSize));

 		// Layout sashes
 		this.sashItems.forEach(item => item.sash.layout());
--- a/src/vs/base/common/worker/simpleWorker.ts
+++ b/src/vs/base/common/worker/simpleWorker.ts
@@ -16,7 +16,7 @@ export interface IWorker extends IDisposable {
 }

 export interface IWorkerCallback {
-	(message: string): void;
+	(message: any): void;
 }

 export interface IWorkerFactory {
--- a/src/vs/base/test/browser/ui/splitview/splitview.test.ts
+++ b/src/vs/base/test/browser/ui/splitview/splitview.test.ts
@@ -5,7 +5,7 @@

 import * as assert from 'assert';
 import { Emitter } from 'vs/base/common/event';
-import { SplitView, IView, Orientation, Sizing, LayoutPriority } from 'vs/base/browser/ui/splitview/splitview';
+import { SplitView, IView, Sizing, LayoutPriority } from 'vs/base/browser/ui/splitview/splitview';
 import { Sash, SashState } from 'vs/base/browser/ui/sash/sash';

 class TestView implements IView {
@@ -27,7 +27,9 @@ class TestView implements IView {

 	private _size = 0;
 	get size(): number { return this._size; }
-	private _onDidLayout = new Emitter<{ size: number; orientation: Orientation }>();
+	private _orthogonalSize: number | undefined = 0;
+	get orthogonalSize(): number | undefined { return this._orthogonalSize; }
+	private _onDidLayout = new Emitter<{ size: number; orthogonalSize: number | undefined }>();
 	readonly onDidLayout = this._onDidLayout.event;

 	private _onDidFocus = new Emitter<void>();
@@ -41,9 +43,10 @@ class TestView implements IView {
 		assert(_minimumSize <= _maximumSize, 'splitview view minimum size must be <= maximum size');
 	}

-	layout(size: number, orientation: Orientation): void {
+	layout(size: number, orthogonalSize: number | undefined): void {
 		this._size = size;
-		this._onDidLayout.fire({ size, orientation });
+		this._orthogonalSize = orthogonalSize;
+		this._onDidLayout.fire({ size, orthogonalSize });
 	}

 	focus(): void {
@@ -523,4 +526,24 @@ suite('Splitview', () => {
 		view2.dispose();
 		view1.dispose();
 	});
-});
+
+	test('orthogonal size propagates to views', () => {
+		const view1 = new TestView(20, Number.POSITIVE_INFINITY);
+		const view2 = new TestView(20, Number.POSITIVE_INFINITY);
+		const view3 = new TestView(20, Number.POSITIVE_INFINITY, LayoutPriority.Low);
+		const splitview = new SplitView(container, { proportionalLayout: false });
+		splitview.layout(200);
+
+		splitview.addView(view1, Sizing.Distribute);
+		splitview.addView(view2, Sizing.Distribute);
+		splitview.addView(view3, Sizing.Distribute);
+
+		splitview.layout(200, 100);
+		assert.deepEqual([view1.orthogonalSize, view2.orthogonalSize, view3.orthogonalSize], [100, 100, 100]);
+
+		splitview.dispose();
+		view3.dispose();
+		view2.dispose();
+		view1.dispose();
+	});
+});
--- a/src/vs/base/worker/workerMain.ts
+++ b/src/vs/base/worker/workerMain.ts
@@ -20,8 +20,8 @@
 	let loadCode = function (moduleId: string) {
 		require([moduleId], function (ws) {
 			setTimeout(function () {
-				let messageHandler = ws.create((msg: any) => {
-					(<any>self).postMessage(msg);
+				let messageHandler = ws.create((msg: any, transfer?: Transferable[]) => {
+					(<any>self).postMessage(msg, transfer);
 				}, null);

 				self.onmessage = (e) => messageHandler.onmessage(e.data);
--- a/src/vs/code/electron-browser/workbench/workbench.js
+++ b/src/vs/code/electron-browser/workbench/workbench.js
@@ -27,7 +27,7 @@ bootstrapWindow.load([
 			perf.mark('main/startup');

 			// @ts-ignore
-			return require('vs/workbench/electron-browser/main').main(configuration);
+			return require('vs/workbench/electron-browser/desktop.main').main(configuration);
 		});
 	}, {
 		removeDeveloperKeybindingsAfterLoad: true,
--- a/src/vs/platform/markers/common/markers.ts
+++ b/src/vs/platform/markers/common/markers.ts
@@ -129,6 +129,10 @@ export interface MarkerStatistics {
 export namespace IMarkerData {
 	const emptyString = '';
 	export function makeKey(markerData: IMarkerData): string {
+		return makeKeyOptionalMessage(markerData, true);
+	}
+
+	export function makeKeyOptionalMessage(markerData: IMarkerData, useMessage: boolean): string {
 		let result: string[] = [emptyString];
 		if (markerData.source) {
 			result.push(markerData.source.replace('¦', '\¦'));
@@ -145,7 +149,10 @@ export namespace IMarkerData {
 		} else {
 			result.push(emptyString);
 		}
-		if (markerData.message) {
+
+		// Modifed to not include the message as part of the marker key to work around
+		// https://github.com/microsoft/vscode/issues/77475
+		if (markerData.message && useMessage) {
 			result.push(markerData.message.replace('¦', '\¦'));
 		} else {
 			result.push(emptyString);
--- a/src/vs/platform/telemetry/browser/workbenchCommonProperties.ts
+++ b/src/vs/platform/telemetry/browser/workbenchCommonProperties.ts
@@ -12,6 +12,7 @@ export const lastSessionDateStorageKey = 'telemetry.lastSessionDate';

 import * as Platform from 'vs/base/common/platform';
 import * as uuid from 'vs/base/common/uuid';
+import { cleanRemoteAuthority } from 'vs/platform/telemetry/common/telemetryUtils';

 export async function resolveWorkbenchCommonProperties(storageService: IStorageService, commit: string | undefined, version: string | undefined, machineId: string, remoteAuthority?: string): Promise<{ [name: string]: string | undefined }> {
 	const result: { [name: string]: string | undefined; } = Object.create(null);
@@ -69,18 +70,3 @@ export async function resolveWorkbenchCommonProperties(storageService: IStorageS
 	return result;
 }

-function cleanRemoteAuthority(remoteAuthority?: string): string {
-	if (!remoteAuthority) {
-		return 'none';
-	}
-
-	let ret = 'other';
-	// Whitelisted remote authorities
-	['ssh-remote', 'dev-container', 'wsl'].forEach((res: string) => {
-		if (remoteAuthority!.indexOf(`${res}+`) === 0) {
-			ret = res;
-		}
-	});
-
-	return ret;
-}
--- a/src/vs/platform/telemetry/common/telemetryUtils.ts
+++ b/src/vs/platform/telemetry/common/telemetryUtils.ts
@@ -288,6 +288,22 @@ export function validateTelemetryData(data?: any): { properties: Properties, mea
 	};
 }

+export function cleanRemoteAuthority(remoteAuthority?: string): string {
+	if (!remoteAuthority) {
+		return 'none';
+	}
+
+	let ret = 'other';
+	// Whitelisted remote authorities
+	['ssh-remote', 'dev-container', 'attached-container', 'wsl'].forEach((res: string) => {
+		if (remoteAuthority!.indexOf(`${res}+`) === 0) {
+			ret = res;
+		}
+	});
+
+	return ret;
+}
+
 function flatten(obj: any, result: { [key: string]: any }, order: number = 0, prefix?: string): void {
 	if (!obj) {
 		return;
--- a/src/vs/platform/telemetry/node/workbenchCommonProperties.ts
+++ b/src/vs/platform/telemetry/node/workbenchCommonProperties.ts
@@ -6,6 +6,7 @@
 import { IStorageService, StorageScope } from 'vs/platform/storage/common/storage';
 import { resolveCommonProperties } from 'vs/platform/telemetry/node/commonProperties';
 import { instanceStorageKey, firstSessionDateStorageKey, lastSessionDateStorageKey } from 'vs/platform/telemetry/common/telemetry';
+import { cleanRemoteAuthority } from 'vs/platform/telemetry/common/telemetryUtils';

 // {{ SQL CARBON EDIT }}
 import product from 'vs/platform/product/node/product';
@@ -57,19 +58,3 @@ function setUsageDates(storageService: IStorageService): void {
 	const monthlyLastUseDate = storageService.get('telemetry.monthlyLastUseDate', StorageScope.GLOBAL, appStartDate.toUTCString());
 	storageService.store('telemetry.monthlyLastUseDate', monthlyLastUseDate, StorageScope.GLOBAL);
 }
-
-function cleanRemoteAuthority(remoteAuthority?: string): string {
-	if (!remoteAuthority) {
-		return 'none';
-	}
-
-	let ret = 'other';
-	// Whitelisted remote authorities
-	['ssh-remote', 'dev-container', 'wsl'].forEach((res: string) => {
-		if (remoteAuthority!.indexOf(`${res}+`) === 0) {
-			ret = res;
-		}
-	});
-
-	return ret;
-}
--- a/src/vs/vscode.d.ts
+++ b/src/vs/vscode.d.ts
@@ -5208,7 +5208,7 @@ declare module 'vscode' {
 	 */
 	export enum TaskScope {
 		/**
-		 * The task is a global task
+		 * The task is a global task. Global tasks are currrently not supported.
 		 */
 		Global = 1,

@@ -5237,7 +5237,7 @@ declare module 'vscode' {
 		 * Creates a new task.
 		 *
 		 * @param definition The task definition as defined in the taskDefinitions extension point.
-		 * @param scope Specifies the task's scope. It is either a global or a workspace task or a task for a specific workspace folder.
+		 * @param scope Specifies the task's scope. It is either a global or a workspace task or a task for a specific workspace folder. Global tasks are currently not supported.
 		 * @param name The task's name. Is presented in the user interface.
 		 * @param source The task's source (e.g. 'gulp', 'npm', ...). Is presented in the user interface.
 		 * @param execution The process or shell execution.
--- a/src/vs/workbench/api/browser/mainThreadTreeViews.ts
+++ b/src/vs/workbench/api/browser/mainThreadTreeViews.ts
@@ -124,7 +124,7 @@ export class MainThreadTreeViews extends Disposable implements MainThreadTreeVie
 		this._dataProviders.forEach((dataProvider, treeViewId) => {
 			const treeView = this.getTreeView(treeViewId);
 			if (treeView) {
-				treeView.dataProvider = null;
+				treeView.dataProvider = undefined;
 			}
 		});
 		this._dataProviders.clear();
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -15,7 +15,7 @@ import { OverviewRulerLane } from 'vs/editor/common/model';
 import * as languageConfiguration from 'vs/editor/common/modes/languageConfiguration';
 import { score } from 'vs/editor/common/modes/languageSelector';
 import * as files from 'vs/platform/files/common/files';
-import { ExtHostContext, MainContext } from 'vs/workbench/api/common/extHost.protocol';
+import { ExtHostContext, MainContext, ExtHostLogServiceShape } from 'vs/workbench/api/common/extHost.protocol';
 import { ExtHostApiCommands } from 'vs/workbench/api/common/extHostApiCommands';
 import { ExtHostClipboard } from 'vs/workbench/api/common/extHostClipboard';
 import { IExtHostCommands } from 'vs/workbench/api/common/extHostCommands';
@@ -33,7 +33,6 @@ import { ExtHostFileSystem } from 'vs/workbench/api/common/extHostFileSystem';
 import { ExtHostFileSystemEventService } from 'vs/workbench/api/common/extHostFileSystemEventService';
 import { ExtHostLanguageFeatures } from 'vs/workbench/api/common/extHostLanguageFeatures';
 import { ExtHostLanguages } from 'vs/workbench/api/common/extHostLanguages';
-import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { ExtHostMessageService } from 'vs/workbench/api/common/extHostMessageService';
 import { IExtHostOutputService } from 'vs/workbench/api/common/extHostOutput';
 import { ExtHostProgress } from 'vs/workbench/api/common/extHostProgress';
@@ -95,10 +94,10 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const uriTransformer = accessor.get(IURITransformerService);
 	const rpcProtocol = accessor.get(IExtHostRpcService);
 	const extHostStorage = accessor.get(IExtHostStorage);
-	const extHostLogService = <ExtHostLogService>accessor.get(ILogService);
+	const extHostLogService = accessor.get(ILogService);

 	// register addressable instances
-	rpcProtocol.set(ExtHostContext.ExtHostLogService, extHostLogService);
+	rpcProtocol.set(ExtHostContext.ExtHostLogService, <ExtHostLogServiceShape><any>extHostLogService);
 	rpcProtocol.set(ExtHostContext.ExtHostWorkspace, extHostWorkspace);
 	rpcProtocol.set(ExtHostContext.ExtHostConfiguration, extHostConfiguration);
 	rpcProtocol.set(ExtHostContext.ExtHostExtensionService, extensionService);
@@ -147,10 +146,6 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const extHostStatusBar = new ExtHostStatusBar(rpcProtocol);
 	const extHostLanguages = new ExtHostLanguages(rpcProtocol, extHostDocuments);

-	// Register an output channel for exthost log
-	const outputChannelName = initData.remote.isRemote ? nls.localize('remote extension host Log', "Remote Extension Host") : nls.localize('extension host Log', "Extension Host");
-	extHostOutputService.createOutputChannelFromLogFile(outputChannelName, extHostLogService.logFile);
-
 	// Register API-ish commands
 	ExtHostApiCommands.register(extHostCommands);

--- a/src/vs/workbench/api/common/extHostExtensionService.ts
+++ b/src/vs/workbench/api/common/extHostExtensionService.ts
@@ -14,7 +14,6 @@ import { ILogService } from 'vs/platform/log/common/log';
 import { ExtHostExtensionServiceShape, IInitData, MainContext, MainThreadExtensionServiceShape, MainThreadTelemetryShape, MainThreadWorkspaceShape, IResolveAuthorityResult } from 'vs/workbench/api/common/extHost.protocol';
 import { ExtHostConfiguration, IExtHostConfiguration } from 'vs/workbench/api/common/extHostConfiguration';
 import { ActivatedExtension, EmptyExtension, ExtensionActivatedByAPI, ExtensionActivatedByEvent, ExtensionActivationReason, ExtensionActivationTimes, ExtensionActivationTimesBuilder, ExtensionsActivator, IExtensionAPI, IExtensionContext, IExtensionModule, HostExtension, ExtensionActivationTimesFragment } from 'vs/workbench/api/common/extHostExtensionActivator';
-import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { ExtHostStorage, IExtHostStorage } from 'vs/workbench/api/common/extHostStorage';
 import { ExtHostWorkspace, IExtHostWorkspace } from 'vs/workbench/api/common/extHostWorkspace';
 import { ExtensionActivationError } from 'vs/workbench/services/extensions/common/extensions';
@@ -75,7 +74,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 	protected readonly _instaService: IInstantiationService;
 	protected readonly _extHostWorkspace: ExtHostWorkspace;
 	protected readonly _extHostConfiguration: ExtHostConfiguration;
-	protected readonly _extHostLogService: ExtHostLogService;
+	protected readonly _logService: ILogService;

 	protected readonly _mainThreadWorkspaceProxy: MainThreadWorkspaceShape;
 	protected readonly _mainThreadTelemetryProxy: MainThreadTelemetryShape;
@@ -102,7 +101,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 		@IExtHostRpcService extHostContext: IExtHostRpcService,
 		@IExtHostWorkspace extHostWorkspace: IExtHostWorkspace,
 		@IExtHostConfiguration extHostConfiguration: IExtHostConfiguration,
-		@ILogService extHostLogService: ExtHostLogService,
+		@ILogService logService: ILogService,
 		@IExtHostInitDataService initData: IExtHostInitDataService,
 		@IExtensionStoragePaths storagePath: IExtensionStoragePaths
 	) {
@@ -112,7 +111,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio

 		this._extHostWorkspace = extHostWorkspace;
 		this._extHostConfiguration = extHostConfiguration;
-		this._extHostLogService = extHostLogService;
+		this._logService = logService;
 		this._disposables = new DisposableStore();

 		this._mainThreadWorkspaceProxy = this._extHostContext.getProxy(MainContext.MainThreadWorkspace);
@@ -329,14 +328,14 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 			return Promise.resolve(new EmptyExtension(ExtensionActivationTimes.NONE));
 		}

-		this._extHostLogService.info(`ExtensionService#_doActivateExtension ${extensionDescription.identifier.value} ${JSON.stringify(reason)}`);
+		this._logService.info(`ExtensionService#_doActivateExtension ${extensionDescription.identifier.value} ${JSON.stringify(reason)}`);

 		const activationTimesBuilder = new ExtensionActivationTimesBuilder(reason.startup);
 		return Promise.all<any>([
 			this._loadCommonJSModule(extensionDescription.main, activationTimesBuilder),
 			this._loadExtensionContext(extensionDescription)
 		]).then(values => {
-			return AbstractExtHostExtensionService._callActivate(this._extHostLogService, extensionDescription.identifier, <IExtensionModule>values[0], <IExtensionContext>values[1], activationTimesBuilder);
+			return AbstractExtHostExtensionService._callActivate(this._logService, extensionDescription.identifier, <IExtensionModule>values[0], <IExtensionContext>values[1], activationTimesBuilder);
 		});
 	}

@@ -347,7 +346,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 		const globalState = new ExtensionMemento(extensionDescription.identifier.value, true, this._storage);
 		const workspaceState = new ExtensionMemento(extensionDescription.identifier.value, false, this._storage);

-		this._extHostLogService.trace(`ExtensionService#loadExtensionContext ${extensionDescription.identifier.value}`);
+		this._logService.trace(`ExtensionService#loadExtensionContext ${extensionDescription.identifier.value}`);
 		return Promise.all([
 			globalState.whenReady,
 			workspaceState.whenReady,
@@ -359,10 +358,10 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 				workspaceState,
 				subscriptions: [],
 				get extensionPath() { return extensionDescription.extensionLocation.fsPath; },
-				storagePath: this._storagePath.workspaceValue(extensionDescription),
-				globalStoragePath: this._storagePath.globalValue(extensionDescription),
+				get storagePath() { return that._storagePath.workspaceValue(extensionDescription); },
+				get globalStoragePath() { return that._storagePath.globalValue(extensionDescription); },
 				asAbsolutePath: (relativePath: string) => { return path.join(extensionDescription.extensionLocation.fsPath, relativePath); },
-				logPath: that._extHostLogService.getLogDirectory(extensionDescription.identifier),
+				get logPath() { return path.join(that._initData.logsLocation.fsPath, extensionDescription.identifier.value); },
 				executionContext: this._initData.remote.isRemote ? ExtensionExecutionContext.Remote : ExtensionExecutionContext.Local,
 			});
 		});
@@ -385,7 +384,8 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 			try {
 				activationTimesBuilder.activateCallStart();
 				logService.trace(`ExtensionService#_callActivateOptional ${extensionId.value}`);
-				const activateResult: Promise<IExtensionAPI> = extensionModule.activate.apply(global, [context]);
+				const scope = typeof global === 'object' ? global : self; // `global` is nodejs while `self` is for workers
+				const activateResult: Promise<IExtensionAPI> = extensionModule.activate.apply(scope, [context]);
 				activationTimesBuilder.activateCallStop();

 				activationTimesBuilder.activateResolveStart();
@@ -478,7 +478,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 	}

 	private async _activateIfGlobPatterns(folders: ReadonlyArray<vscode.WorkspaceFolder>, extensionId: ExtensionIdentifier, globPatterns: string[]): Promise<void> {
-		this._extHostLogService.trace(`extensionHostMain#activateIfGlobPatterns: fileSearch, extension: ${extensionId.value}, entryPoint: workspaceContains`);
+		this._logService.trace(`extensionHostMain#activateIfGlobPatterns: fileSearch, extension: ${extensionId.value}, entryPoint: workspaceContains`);

 		if (globPatterns.length === 0) {
 			return Promise.resolve(undefined);
@@ -525,7 +525,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 	}

 	private async _doHandleExtensionTests(): Promise<void> {
-		const { extensionDevelopmentLocationURI: extensionDevelopmentLocationURI, extensionTestsLocationURI } = this._initData.environment;
+		const { extensionDevelopmentLocationURI, extensionTestsLocationURI } = this._initData.environment;
 		if (!(extensionDevelopmentLocationURI && extensionTestsLocationURI && extensionTestsLocationURI.scheme === Schemas.file)) {
 			return Promise.resolve(undefined);
 		}
@@ -605,7 +605,7 @@ export abstract class AbstractExtHostExtensionService implements ExtHostExtensio
 			.then(() => this._handleEagerExtensions())
 			.then(() => this._handleExtensionTests())
 			.then(() => {
-				this._extHostLogService.info(`eager extensions activated`);
+				this._logService.info(`eager extensions activated`);
 			});
 	}

--- a/src/vs/workbench/api/common/extHostLogService.ts
+++ b/src/vs/workbench/api/common/extHostLogService.ts
@@ -1,34 +0,0 @@
-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the Source EULA. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-
-import { join } from 'vs/base/common/path';
-import { ILogService, DelegatedLogService, LogLevel } from 'vs/platform/log/common/log';
-import { ExtHostLogServiceShape } from 'vs/workbench/api/common/extHost.protocol';
-import { ExtensionHostLogFileName } from 'vs/workbench/services/extensions/common/extensions';
-import { URI } from 'vs/base/common/uri';
-import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
-
-export class ExtHostLogService extends DelegatedLogService implements ILogService, ExtHostLogServiceShape {
-
-	private _logsPath: string;
-	readonly logFile: URI;
-
-	constructor(
-		delegate: ILogService,
-		logsPath: string,
-	) {
-		super(delegate);
-		this._logsPath = logsPath;
-		this.logFile = URI.file(join(logsPath, `${ExtensionHostLogFileName}.log`));
-	}
-
-	$setLevel(level: LogLevel): void {
-		this.setLevel(level);
-	}
-
-	getLogDirectory(extensionID: ExtensionIdentifier): string {
-		return join(this._logsPath, extensionID.value);
-	}
-}
--- a/src/vs/workbench/api/node/extHost.services.ts
+++ b/src/vs/workbench/api/node/extHost.services.ts
@@ -24,8 +24,11 @@ import { IExtensionStoragePaths } from 'vs/workbench/api/common/extHostStoragePa
 import { IExtHostExtensionService } from 'vs/workbench/api/common/extHostExtensionService';
 import { ExtHostExtensionService } from 'vs/workbench/api/node/extHostExtensionService';
 import { IExtHostStorage, ExtHostStorage } from 'vs/workbench/api/common/extHostStorage';
+import { ILogService } from 'vs/platform/log/common/log';
+import { ExtHostLogService } from 'vs/workbench/api/node/extHostLogService';

 // register singleton services
+registerSingleton(ILogService, ExtHostLogService);
 registerSingleton(IExtHostOutputService, ExtHostOutputService2);
 registerSingleton(IExtHostWorkspace, ExtHostWorkspace);
 registerSingleton(IExtHostDecorations, ExtHostDecorations);
--- a/src/vs/workbench/api/node/extHostExtensionService.ts
+++ b/src/vs/workbench/api/node/extHostExtensionService.ts
@@ -44,14 +44,24 @@ export class ExtHostExtensionService extends AbstractExtHostExtensionService {
 		}

 		// Do this when extension service exists, but extensions are not being activated yet.
-		await connectProxyResolver(this._extHostWorkspace, configProvider, this, this._extHostLogService, this._mainThreadTelemetryProxy);
+		await connectProxyResolver(this._extHostWorkspace, configProvider, this, this._logService, this._mainThreadTelemetryProxy);

+		// Use IPC messages to forward console-calls, note that the console is
+		// already patched to use`process.send()`
+		const nativeProcessSend = process.send!;
+		const mainThreadConsole = this._extHostContext.getProxy(MainContext.MainThreadConsole);
+		process.send = (...args: any[]) => {
+			if (args.length === 0 || !args[0] || args[0].type !== '__$console') {
+				return nativeProcessSend.apply(process, args);
+			}
+			mainThreadConsole.$logExtensionHostMessage(args[0]);
+		};
 	}

 	protected _loadCommonJSModule<T>(modulePath: string, activationTimesBuilder: ExtensionActivationTimesBuilder): Promise<T> {
 		let r: T | null = null;
 		activationTimesBuilder.codeLoadingStart();
-		this._extHostLogService.info(`ExtensionService#loadCommonJSModule ${modulePath}`);
+		this._logService.info(`ExtensionService#loadCommonJSModule ${modulePath}`);
 		try {
 			r = require.__$__nodeRequire<T>(modulePath);
 		} catch (e) {
--- a/src/vs/workbench/api/node/extHostLogService.ts
+++ b/src/vs/workbench/api/node/extHostLogService.ts
@@ -0,0 +1,36 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { localize } from 'vs/nls';
+import { join } from 'vs/base/common/path';
+import { ILogService, DelegatedLogService, LogLevel } from 'vs/platform/log/common/log';
+import { ExtHostLogServiceShape } from 'vs/workbench/api/common/extHost.protocol';
+import { ExtensionHostLogFileName } from 'vs/workbench/services/extensions/common/extensions';
+import { URI } from 'vs/base/common/uri';
+import { IExtHostInitDataService } from 'vs/workbench/api/common/extHostInitDataService';
+import { Schemas } from 'vs/base/common/network';
+import { SpdLogService } from 'vs/platform/log/node/spdlogService';
+import { IExtHostOutputService } from 'vs/workbench/api/common/extHostOutput';
+
+export class ExtHostLogService extends DelegatedLogService implements ILogService, ExtHostLogServiceShape {
+
+	constructor(
+		@IExtHostInitDataService initData: IExtHostInitDataService,
+		@IExtHostOutputService extHostOutputService: IExtHostOutputService
+	) {
+		if (initData.logsLocation.scheme !== Schemas.file) { throw new Error('Only file-logging supported'); }
+		super(new SpdLogService(ExtensionHostLogFileName, initData.logsLocation.fsPath, initData.logLevel));
+
+		// Register an output channel for exthost log
+		extHostOutputService.createOutputChannelFromLogFile(
+			initData.remote.isRemote ? localize('remote extension host Log', "Remote Extension Host") : localize('extension host Log', "Extension Host"),
+			URI.file(join(initData.logsLocation.fsPath, `${ExtensionHostLogFileName}.log`))
+		);
+	}
+
+	$setLevel(level: LogLevel): void {
+		this.setLevel(level);
+	}
+}
--- a/src/vs/workbench/api/worker/extHostExtensionService.ts
+++ b/src/vs/workbench/api/worker/extHostExtensionService.ts
@@ -0,0 +1,98 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { createApiFactoryAndRegisterActors, IExtensionApiFactory } from 'vs/workbench/api/common/extHost.api.impl';
+import { ExtensionActivationTimesBuilder } from 'vs/workbench/api/common/extHostExtensionActivator';
+import { AbstractExtHostExtensionService } from 'vs/workbench/api/common/extHostExtensionService';
+import { endsWith } from 'vs/base/common/strings';
+import { IExtensionDescription, ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
+import { ExtHostConfigProvider } from 'vs/workbench/api/common/extHostConfiguration';
+import * as vscode from 'vscode';
+import { TernarySearchTree } from 'vs/base/common/map';
+import { nullExtensionDescription } from 'vs/workbench/services/extensions/common/extensions';
+import { ExtensionDescriptionRegistry } from 'vs/workbench/services/extensions/common/extensionDescriptionRegistry';
+
+class ApiInstances {
+
+	private readonly _apiInstances = new Map<string, typeof vscode>();
+
+	constructor(
+		private readonly _apiFactory: IExtensionApiFactory,
+		private readonly _extensionPaths: TernarySearchTree<IExtensionDescription>,
+		private readonly _extensionRegistry: ExtensionDescriptionRegistry,
+		private readonly _configProvider: ExtHostConfigProvider,
+	) {
+		//
+	}
+
+	get(modulePath: string): typeof vscode {
+		const extension = this._extensionPaths.findSubstr(modulePath) || nullExtensionDescription;
+		const id = ExtensionIdentifier.toKey(extension.identifier);
+
+		let apiInstance = this._apiInstances.get(id);
+		if (!apiInstance) {
+			apiInstance = this._apiFactory(extension, this._extensionRegistry, this._configProvider);
+			this._apiInstances.set(id, apiInstance);
+		}
+		return apiInstance;
+	}
+}
+
+export class ExtHostExtensionService extends AbstractExtHostExtensionService {
+
+	private _apiInstances?: ApiInstances;
+
+	protected async _beforeAlmostReadyToRunExtensions(): Promise<void> {
+		// initialize API and register actors
+		const apiFactory = this._instaService.invokeFunction(createApiFactoryAndRegisterActors);
+		const configProvider = await this._extHostConfiguration.getConfigProvider();
+		const extensionPath = await this.getExtensionPathIndex();
+		this._apiInstances = new ApiInstances(apiFactory, extensionPath, this._registry, configProvider);
+	}
+
+	protected _loadCommonJSModule<T>(modulePath: string, activationTimesBuilder: ExtensionActivationTimesBuilder): Promise<T> {
+
+		// make sure modulePath ends with `.js`
+		const suffix = '.js';
+		modulePath = endsWith(modulePath, suffix) ? modulePath : modulePath + suffix;
+
+		interface FakeCommonJSSelf {
+			module?: object;
+			exports?: object;
+			require?: (module: string) => any;
+			window?: object;
+			__dirname: never;
+			__filename: never;
+		}
+
+		// FAKE commonjs world that only collects exports
+		const patchSelf: FakeCommonJSSelf = <any>self;
+		const module = { exports: {} };
+		patchSelf.module = module;
+		patchSelf.exports = module.exports;
+		patchSelf.window = self; // <- that's improper but might help extensions that aren't authored correctly
+
+		// FAKE require function that only works for the vscode-module
+		patchSelf.require = (module: string) => {
+			if (module !== 'vscode') {
+				throw new Error(`Cannot load module '${module}'`);
+			}
+			return this._apiInstances!.get(modulePath);
+		};
+
+		try {
+			activationTimesBuilder.codeLoadingStart();
+			importScripts(modulePath);
+		} finally {
+			activationTimesBuilder.codeLoadingStop();
+		}
+
+		return Promise.resolve(module.exports as T);
+	}
+
+	async $setRemoteEnvironment(env: { [key: string]: string | null }): Promise<void> {
+		throw new Error('Not supported');
+	}
+}
--- a/src/vs/workbench/api/worker/extHostLogService.ts
+++ b/src/vs/workbench/api/worker/extHostLogService.ts
@@ -0,0 +1,84 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ILogService, LogLevel, AbstractLogService } from 'vs/platform/log/common/log';
+import { ExtHostLogServiceShape } from 'vs/workbench/api/common/extHost.protocol';
+import { IExtHostInitDataService } from 'vs/workbench/api/common/extHostInitDataService';
+import { IExtHostOutputService } from 'vs/workbench/api/common/extHostOutput';
+import * as vscode from 'vscode';
+
+export class ExtHostLogService extends AbstractLogService implements ILogService, ExtHostLogServiceShape {
+
+	_serviceBrand: any;
+
+	private readonly _logChannel: vscode.OutputChannel;
+
+	constructor(
+		@IExtHostInitDataService initData: IExtHostInitDataService,
+		@IExtHostOutputService extHostOutputService: IExtHostOutputService
+	) {
+		super();
+		this.setLevel(initData.logLevel);
+		this._logChannel = extHostOutputService.createOutputChannel('Log (Worker Extension Host)');
+	}
+
+	$setLevel(level: LogLevel): void {
+		this.setLevel(level);
+	}
+
+	trace(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Trace) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	debug(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Debug) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	info(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Info) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	warn(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Warning) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	error(_message: string | Error, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Error) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	critical(_message: string | Error, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Critical) {
+			this._logChannel.appendLine(String(arguments));
+		}
+	}
+
+	private _format(args: any): string {
+		let result = '';
+
+		for (let i = 0; i < args.length; i++) {
+			let a = args[i];
+
+			if (typeof a === 'object') {
+				try {
+					a = JSON.stringify(a);
+				} catch (e) { }
+			}
+
+			result += (i > 0 ? ' ' : '') + a;
+		}
+
+		return result;
+	}
+}
--- a/src/vs/workbench/browser/parts/editor/breadcrumbs.ts
+++ b/src/vs/workbench/browser/parts/editor/breadcrumbs.ts
@@ -71,6 +71,7 @@ export abstract class BreadcrumbsConfig<T> {
 	static FilePath = BreadcrumbsConfig._stub<'on' | 'off' | 'last'>('breadcrumbs.filePath');
 	static SymbolPath = BreadcrumbsConfig._stub<'on' | 'off' | 'last'>('breadcrumbs.symbolPath');
 	static SymbolSortOrder = BreadcrumbsConfig._stub<'position' | 'name' | 'type'>('breadcrumbs.symbolSortOrder');
+	static Icons = BreadcrumbsConfig._stub<boolean>('breadcrumbs.icons');

 	static FileExcludes = BreadcrumbsConfig._stub<glob.IExpression>('files.exclude');

@@ -160,6 +161,11 @@ Registry.as<IConfigurationRegistry>(Extensions.Configuration).registerConfigurat
 				localize('symbolSortOrder.name', "Show symbol outline in alphabetical order."),
 				localize('symbolSortOrder.type', "Show symbol outline in symbol type order."),
 			]
+		},
+		'breadcrumbs.icons': {
+			description: localize('icons', "Render breadcrumb items with icons."),
+			type: 'boolean',
+			default: true
 		}
 	}
 });
--- a/src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts
+++ b/src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts
@@ -69,7 +69,9 @@ class Item extends BreadcrumbsItem {
 			return false;
 		}
 		if (this.element instanceof FileElement && other.element instanceof FileElement) {
-			return isEqual(this.element.uri, other.element.uri, false);
+			return (isEqual(this.element.uri, other.element.uri, false) &&
+				this.options.showFileIcons === other.options.showFileIcons &&
+				this.options.showSymbolIcons === other.options.showSymbolIcons);
 		}
 		if (this.element instanceof TreeElement && other.element instanceof TreeElement) {
 			return this.element.id === other.element.id;
@@ -143,6 +145,7 @@ export class BreadcrumbsControl {
 	private readonly _ckBreadcrumbsActive: IContextKey<boolean>;

 	private readonly _cfUseQuickPick: BreadcrumbsConfig<boolean>;
+	private readonly _cfShowIcons: BreadcrumbsConfig<boolean>;

 	readonly domNode: HTMLDivElement;
 	private readonly _widget: BreadcrumbsWidget;
@@ -185,6 +188,7 @@ export class BreadcrumbsControl {
 		this._ckBreadcrumbsActive = BreadcrumbsControl.CK_BreadcrumbsActive.bindTo(this._contextKeyService);

 		this._cfUseQuickPick = BreadcrumbsConfig.UseQuickPick.bindTo(_configurationService);
+		this._cfShowIcons = BreadcrumbsConfig.Icons.bindTo(_configurationService);

 		this._disposables.add(breadcrumbsService.register(this._editorGroup.id, this._widget));
 	}
@@ -196,6 +200,7 @@ export class BreadcrumbsControl {
 		this._ckBreadcrumbsVisible.reset();
 		this._ckBreadcrumbsActive.reset();
 		this._cfUseQuickPick.dispose();
+		this._cfShowIcons.dispose();
 		this._widget.dispose();
 		this.domNode.remove();
 	}
@@ -246,15 +251,23 @@ export class BreadcrumbsControl {
 		dom.toggleClass(this.domNode, 'backslash-path', this._labelService.getSeparator(uri.scheme, uri.authority) === '\\');

 		const updateBreadcrumbs = () => {
-			const items = model.getElements().map(element => new Item(element, this._options, this._instantiationService));
+			const showIcons = this._cfShowIcons.getValue();
+			const options: IBreadcrumbsControlOptions = {
+				...this._options,
+				showFileIcons: this._options.showFileIcons && showIcons,
+				showSymbolIcons: this._options.showSymbolIcons && showIcons
+			};
+			const items = model.getElements().map(element => new Item(element, options, this._instantiationService));
 			this._widget.setItems(items);
 			this._widget.reveal(items[items.length - 1]);
 		};
 		const listener = model.onDidUpdate(updateBreadcrumbs);
+		const configListener = this._cfShowIcons.onDidChange(updateBreadcrumbs);
 		updateBreadcrumbs();
 		this._breadcrumbsDisposables.clear();
 		this._breadcrumbsDisposables.add(model);
 		this._breadcrumbsDisposables.add(listener);
+		this._breadcrumbsDisposables.add(configListener);

 		// close picker on hide/update
 		this._breadcrumbsDisposables.add({
--- a/src/vs/workbench/browser/parts/editor/editorGroupView.ts
+++ b/src/vs/workbench/browser/parts/editor/editorGroupView.ts
@@ -806,7 +806,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {

 	//#region openEditor()

-	openEditor(editor: EditorInput, options?: EditorOptions): Promise<IEditor | null> {
+	async openEditor(editor: EditorInput, options?: EditorOptions): Promise<IEditor | null> {

 		// Guard against invalid inputs
 		if (!editor) {
@@ -822,7 +822,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 		}

 		// Proceed with opening
-		return this.doOpenEditor(editor, options).then(withUndefinedAsNull);
+		return withUndefinedAsNull(await this.doOpenEditor(editor, options));
 	}

 	private doOpenEditor(editor: EditorInput, options?: EditorOptions): Promise<IEditor | undefined> {
--- a/src/vs/workbench/browser/parts/sidebar/sidebarPart.ts
+++ b/src/vs/workbench/browser/parts/sidebar/sidebarPart.ts
@@ -63,7 +63,7 @@ export class SidebarPart extends CompositePart<Viewlet> implements IViewletServi
 			return undefined; // {{SQL CARBON EDIT}} strict-null-check
 		}

-		return width;
+		return Math.max(width, 300);
 	}

 	//#endregion
--- a/src/vs/workbench/browser/parts/views/customView.ts
+++ b/src/vs/workbench/browser/parts/views/customView.ts
@@ -161,12 +161,12 @@ export class CustomTreeView extends Disposable implements ITreeView {
 	private _showCollapseAllAction = false;

 	private focused: boolean = false;
-	private domNode: HTMLElement;
-	private treeContainer: HTMLElement;
+	private domNode!: HTMLElement;
+	private treeContainer!: HTMLElement;
 	private _messageValue: string | undefined;
-	private messageElement: HTMLDivElement;
-	private tree: WorkbenchAsyncDataTree<ITreeItem, ITreeItem, FuzzyScore>;
-	private treeLabels: ResourceLabels;
+	private messageElement!: HTMLDivElement;
+	private tree: WorkbenchAsyncDataTree<ITreeItem, ITreeItem, FuzzyScore> | undefined;
+	private treeLabels: ResourceLabels | undefined;
 	private root: ITreeItem;
 	private elementsToRefresh: ITreeItem[] = [];
 	private menus: TitleMenus;
@@ -218,12 +218,12 @@ export class CustomTreeView extends Disposable implements ITreeView {
 		this.create();
 	}

-	private _dataProvider: ITreeViewDataProvider | null;
-	get dataProvider(): ITreeViewDataProvider | null {
+	private _dataProvider: ITreeViewDataProvider | undefined;
+	get dataProvider(): ITreeViewDataProvider | undefined {
 		return this._dataProvider;
 	}

-	set dataProvider(dataProvider: ITreeViewDataProvider | null) {
+	set dataProvider(dataProvider: ITreeViewDataProvider | undefined) {
 		if (dataProvider) {
 			this._dataProvider = new class implements ITreeViewDataProvider {
 				async getChildren(node: ITreeItem): Promise<ITreeItem[]> {
@@ -238,7 +238,7 @@ export class CustomTreeView extends Disposable implements ITreeView {
 			this.updateMessage();
 			this.refresh();
 		} else {
-			this._dataProvider = null;
+			this._dataProvider = undefined;
 			this.updateMessage();
 		}
 	}
@@ -399,7 +399,7 @@ export class CustomTreeView extends Disposable implements ITreeView {
 			if (!e.browserEvent) {
 				return;
 			}
-			const selection = this.tree.getSelection();
+			const selection = this.tree!.getSelection();
 			if ((selection.length === 1) && selection[0].command) {
 				this.commandService.executeCommand(selection[0].command.id, ...(selection[0].command.arguments || []));
 			}
@@ -416,7 +416,7 @@ export class CustomTreeView extends Disposable implements ITreeView {
 		event.preventDefault();
 		event.stopPropagation();

-		this.tree.setFocus([node]);
+		this.tree!.setFocus([node]);
 		const actions = treeMenus.getResourceContextActions(node);
 		if (!actions.length) {
 			return;
@@ -436,13 +436,13 @@ export class CustomTreeView extends Disposable implements ITreeView {

 			onHide: (wasCancelled?: boolean) => {
 				if (wasCancelled) {
-					this.tree.domFocus();
+					this.tree!.domFocus();
 				}
 			},

 			getActionsContext: () => (<TreeViewItemHandleArg>{ $treeViewId: this.id, $treeItemHandle: node.handle }),

-			actionRunner: new MultipleSelectionActionRunner(() => this.tree.getSelection())
+			actionRunner: new MultipleSelectionActionRunner(() => this.tree!.getSelection())
 		});
 	}

@@ -479,8 +479,8 @@ export class CustomTreeView extends Disposable implements ITreeView {
 		DOM.clearNode(this.messageElement);
 	}

-	private _height: number;
-	private _width: number;
+	private _height: number = 0;
+	private _width: number = 0;
 	layout(height: number, width: number) {
 		if (height && width) {
 			this._height = height;
@@ -532,10 +532,11 @@ export class CustomTreeView extends Disposable implements ITreeView {
 	}

 	async expand(itemOrItems: ITreeItem | ITreeItem[]): Promise<void> {
-		if (this.tree) {
+		const tree = this.tree;
+		if (tree) {
 			itemOrItems = Array.isArray(itemOrItems) ? itemOrItems : [itemOrItems];
 			await Promise.all(itemOrItems.map(element => {
-				return this.tree.expand(element, false);
+				return tree.expand(element, false);
 			}));
 		}
 		return Promise.resolve(undefined);
@@ -575,18 +576,19 @@ export class CustomTreeView extends Disposable implements ITreeView {

 	private refreshing: boolean = false;
 	private async doRefresh(elements: ITreeItem[]): Promise<void> {
-		if (this.tree) {
+		const tree = this.tree;
+		if (tree) {
 			this.refreshing = true;
 			const parents: Set<ITreeItem> = new Set<ITreeItem>();
 			elements.forEach(element => {
 				if (element !== this.root) {
-					const parent = this.tree.getParentElement(element);
+					const parent = tree.getParentElement(element);
 					parents.add(parent);
 				} else {
 					parents.add(element);
 				}
 			});
-			await Promise.all(Array.from(parents.values()).map(element => this.tree.updateChildren(element, true)));
+			await Promise.all(Array.from(parents.values()).map(element => tree.updateChildren(element, true)));
 			this.refreshing = false;
 			this.updateContentAreas();
 			if (this.focused) {
@@ -772,7 +774,7 @@ class TreeRenderer extends Disposable implements ITreeRenderer<ITreeItem, FuzzyS
 }

 class Aligner extends Disposable {
-	private _tree: WorkbenchAsyncDataTree<ITreeItem, ITreeItem, FuzzyScore>;
+	private _tree: WorkbenchAsyncDataTree<ITreeItem, ITreeItem, FuzzyScore> | undefined;

 	constructor(private themeService: IWorkbenchThemeService) {
 		super();
@@ -790,11 +792,15 @@ class Aligner extends Disposable {
 			return false;
 		}

-		const parent: ITreeItem = this._tree.getParentElement(treeItem) || this._tree.getInput();
-		if (this.hasIcon(parent)) {
+		if (this._tree) {
+			const parent: ITreeItem = this._tree.getParentElement(treeItem) || this._tree.getInput();
+			if (this.hasIcon(parent)) {
+				return false;
+			}
+			return !!parent.children && parent.children.every(c => c.collapsibleState === TreeItemCollapsibleState.None || !this.hasIcon(c));
+		} else {
 			return false;
 		}
-		return !!parent.children && parent.children.every(c => c.collapsibleState === TreeItemCollapsibleState.None || !this.hasIcon(c));
 	}

 	private hasIcon(node: ITreeItem): boolean {
--- a/src/vs/workbench/browser/parts/views/media/panelviewlet.css
+++ b/src/vs/workbench/browser/parts/views/media/panelviewlet.css
@@ -7,6 +7,10 @@
 	border-top: none !important; /* less clutter: do not show any border for first views in a panel */
 }

+.monaco-panel-view .panel > .panel-header > .actions.show {
+	display: initial;
+}
+
 .monaco-panel-view .panel > .panel-header h3.title {
 	white-space: nowrap;
 	text-overflow: ellipsis;
--- a/src/vs/workbench/browser/parts/views/panelViewlet.ts
+++ b/src/vs/workbench/browser/parts/views/panelViewlet.ts
@@ -41,6 +41,7 @@ export interface IViewletPanelOptions extends IPanelOptions {
 	actionRunner?: IActionRunner;
 	id: string;
 	title: string;
+	showActionsAlways?: boolean;
 }

 export abstract class ViewletPanel extends Panel implements IView {
@@ -67,6 +68,7 @@ export abstract class ViewletPanel extends Panel implements IView {

 	protected actionRunner?: IActionRunner;
 	protected toolbar: ToolBar;
+	private readonly showActionsAlways: boolean = false;
 	private headerContainer: HTMLElement;
 	private titleContainer: HTMLElement;

@@ -82,6 +84,7 @@ export abstract class ViewletPanel extends Panel implements IView {
 		this.id = options.id;
 		this.title = options.title;
 		this.actionRunner = options.actionRunner;
+		this.showActionsAlways = !!options.showActionsAlways;
 		this.focusedViewContextKey = FocusedViewContext.bindTo(contextKeyService);
 	}

@@ -133,6 +136,7 @@ export abstract class ViewletPanel extends Panel implements IView {
 		this.renderHeaderTitle(container, this.title);

 		const actions = append(container, $('.actions'));
+		toggleClass(actions, 'show', this.showActionsAlways);
 		this.toolbar = new ToolBar(actions, this.contextMenuService, {
 			orientation: ActionsOrientation.HORIZONTAL,
 			actionViewItemProvider: action => this.getActionViewItem(action),
--- a/src/vs/workbench/browser/web.simpleservices.ts
+++ b/src/vs/workbench/browser/web.simpleservices.ts
@@ -8,9 +8,8 @@ import * as browser from 'vs/base/browser/browser';
 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
 import { Event } from 'vs/base/common/event';
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
-import { IGalleryExtension, IExtensionIdentifier, IReportedExtension, IExtensionManagementService, ILocalExtension, IGalleryMetadata } from 'vs/platform/extensionManagement/common/extensionManagement';
 import { IExtensionTipsService, ExtensionRecommendationReason, IExtensionRecommendation } from 'vs/workbench/services/extensionManagement/common/extensionManagement';
-import { ExtensionType, ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
+import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
 import { IURLHandler, IURLService } from 'vs/platform/url/common/url';
 import { ConsoleLogService, ILogService } from 'vs/platform/log/common/log';
 import { Disposable, IDisposable } from 'vs/base/common/lifecycle';
@@ -24,7 +23,7 @@ import { IWorkspaceEditingService } from 'vs/workbench/services/workspace/common
 import { ITunnelService } from 'vs/platform/remote/common/tunnel';
 // tslint:disable-next-line: import-patterns
 import { IWorkspaceContextService, WorkbenchState } from 'vs/platform/workspace/common/workspace';
-import { addDisposableListener, EventType } from 'vs/base/browser/dom';
+import { addDisposableListener, EventType, windowOpenNoOpener } from 'vs/base/browser/dom';
 import { IEditorService, IResourceEditor } from 'vs/workbench/services/editor/common/editorService';
 import { pathsToEditors } from 'vs/workbench/common/editor';
 import { IFileService } from 'vs/platform/files/common/files';
@@ -90,63 +89,6 @@ registerSingleton(IExtensionTipsService, SimpleExtensionTipsService, true);

 //#endregion

-export class SimpleExtensionManagementService implements IExtensionManagementService {
-
-	_serviceBrand: any;
-
-	onInstallExtension = Event.None;
-	onDidInstallExtension = Event.None;
-	onUninstallExtension = Event.None;
-	onDidUninstallExtension = Event.None;
-
-	zip(extension: ILocalExtension): Promise<URI> {
-		// @ts-ignore
-		return Promise.resolve(undefined);
-	}
-
-	unzip(zipLocation: URI, type: ExtensionType): Promise<IExtensionIdentifier> {
-		// @ts-ignore
-		return Promise.resolve(undefined);
-	}
-
-	install(vsix: URI): Promise<ILocalExtension> {
-		// @ts-ignore
-		return Promise.resolve(undefined);
-	}
-
-	installFromGallery(extension: IGalleryExtension): Promise<ILocalExtension> {
-		// @ts-ignore
-		return Promise.resolve(undefined);
-	}
-
-	uninstall(extension: ILocalExtension, force?: boolean): Promise<void> {
-		return Promise.resolve(undefined);
-	}
-
-	reinstallFromGallery(extension: ILocalExtension): Promise<void> {
-		return Promise.resolve(undefined);
-	}
-
-	getInstalled(type?: ExtensionType): Promise<ILocalExtension[]> {
-		// @ts-ignore
-		return Promise.resolve([]);
-	}
-
-	getExtensionsReport(): Promise<IReportedExtension[]> {
-		// @ts-ignore
-		return Promise.resolve([]);
-	}
-
-	updateMetadata(local: ILocalExtension, metadata: IGalleryMetadata): Promise<ILocalExtension> {
-		// @ts-ignore
-		return Promise.resolve(local);
-	}
-}
-
-registerSingleton(IExtensionManagementService, SimpleExtensionManagementService);
-
-//#endregion
-
 //#region Extension URL Handler

 export const IExtensionUrlHandler = createDecorator<IExtensionUrlHandler>('inactiveExtensionUrlHandler');
@@ -784,6 +726,8 @@ export class SimpleWindowsService implements IWindowsService {
 	// This needs to be handled from browser process to prevent
 	// foreground ordering issues on Windows
 	openExternal(_url: string): Promise<boolean> {
+		windowOpenNoOpener(_url);
+
 		return Promise.resolve(true);
 	}

--- a/src/vs/workbench/common/views.ts
+++ b/src/vs/workbench/common/views.ts
@@ -300,7 +300,7 @@ export interface IViewsService {

 export interface ITreeView extends IDisposable {

-	dataProvider: ITreeViewDataProvider | null;
+	dataProvider: ITreeViewDataProvider | undefined;

 	showCollapseAllAction: boolean;

--- a/src/vs/workbench/contrib/debug/browser/callStackView.ts
+++ b/src/vs/workbench/contrib/debug/browser/callStackView.ts
@@ -607,11 +607,9 @@ class CallStackDataSource implements IAsyncDataSource<IDebugModel, CallStackItem
 			return threads.length === 1 ? this.getThreadChildren(<Thread>threads[0]) : Promise.resolve(threads);
 		} else if (isDebugSession(element)) {
 			const childSessions = this.debugService.getModel().getSessions().filter(s => s.parentSession === element);
-			if (childSessions.length) {
-				return Promise.resolve(childSessions);
-			}
+			const threads: CallStackItem[] = element.getAllThreads();

-			return Promise.resolve(element.getAllThreads());
+			return Promise.resolve(threads.concat(childSessions));
 		} else {
 			return this.getThreadChildren(<Thread>element);
 		}
--- a/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
@@ -134,29 +134,33 @@ interface IActiveElement {
 	focus(): void;
 }

+interface IExtensionEditorTemplate {
+	iconContainer: HTMLElement;
+	icon: HTMLImageElement;
+	name: HTMLElement;
+	identifier: HTMLElement;
+	preview: HTMLElement;
+	builtin: HTMLElement;
+	license: HTMLElement;
+	publisher: HTMLElement;
+	installCount: HTMLElement;
+	rating: HTMLElement;
+	repository: HTMLElement;
+	description: HTMLElement;
+	extensionActionBar: ActionBar;
+	navbar: NavBar;
+	content: HTMLElement;
+	subtextContainer: HTMLElement;
+	subtext: HTMLElement;
+	ignoreActionbar: ActionBar;
+	header: HTMLElement;
+}
+
 export class ExtensionEditor extends BaseEditor {

 	static readonly ID: string = 'workbench.editor.extension';

-	private iconContainer: HTMLElement;
-	private icon: HTMLImageElement;
-	private name: HTMLElement;
-	private identifier: HTMLElement;
-	private preview: HTMLElement;
-	private builtin: HTMLElement;
-	private license: HTMLElement;
-	private publisher: HTMLElement;
-	private installCount: HTMLElement;
-	private rating: HTMLElement;
-	private repository: HTMLElement;
-	private description: HTMLElement;
-	private extensionActionBar: ActionBar;
-	private navbar: NavBar;
-	private content: HTMLElement;
-	private subtextContainer: HTMLElement;
-	private subtext: HTMLElement;
-	private ignoreActionbar: ActionBar;
-	private header: HTMLElement;
+	private template: IExtensionEditorTemplate | undefined;

 	private extensionReadme: Cache<string> | null;
 	private extensionChangelog: Cache<string> | null;
@@ -165,7 +169,7 @@ export class ExtensionEditor extends BaseEditor {
 	private layoutParticipants: ILayoutParticipant[] = [];
 	private readonly contentDisposables = this._register(new DisposableStore());
 	private readonly transientDisposables = this._register(new DisposableStore());
-	private activeElement: IActiveElement | null;
+	private activeElement: IActiveElement | null = null;
 	private editorLoadComplete: boolean = false;

 	constructor(
@@ -193,43 +197,43 @@ export class ExtensionEditor extends BaseEditor {
 		const root = append(parent, $('.extension-editor'));
 		root.tabIndex = 0; // this is required for the focus tracker on the editor
 		root.style.outline = 'none';
-		this.header = append(root, $('.header'));
+		const header = append(root, $('.header'));

-		this.iconContainer = append(this.header, $('.icon-container'));
-		this.icon = append(this.iconContainer, $<HTMLImageElement>('img.icon', { draggable: false }));
+		const iconContainer = append(header, $('.icon-container'));
+		const icon = append(iconContainer, $<HTMLImageElement>('img.icon', { draggable: false }));

-		const details = append(this.header, $('.details'));
+		const details = append(header, $('.details'));
 		const title = append(details, $('.title'));
-		this.name = append(title, $('span.name.clickable', { title: localize('name', "Extension name") }));
-		this.identifier = append(title, $('span.identifier', { title: localize('extension id', "Extension identifier") }));
+		const name = append(title, $('span.name.clickable', { title: localize('name', "Extension name") }));
+		const identifier = append(title, $('span.identifier', { title: localize('extension id', "Extension identifier") }));

-		this.preview = append(title, $('span.preview', { title: localize('preview', "Preview") }));
-		this.preview.textContent = localize('preview', "Preview");
+		const preview = append(title, $('span.preview', { title: localize('preview', "Preview") }));
+		preview.textContent = localize('preview', "Preview");

-		this.builtin = append(title, $('span.builtin'));
-		this.builtin.textContent = localize('builtin', "Built-in");
+		const builtin = append(title, $('span.builtin'));
+		builtin.textContent = localize('builtin', "Built-in");

 		const subtitle = append(details, $('.subtitle'));
-		this.publisher = append(subtitle, $('span.publisher.clickable', { title: localize('publisher', "Publisher name"), tabIndex: 0 }));
+		const publisher = append(subtitle, $('span.publisher.clickable', { title: localize('publisher', "Publisher name"), tabIndex: 0 }));

-		this.installCount = append(subtitle, $('span.install', { title: localize('install count', "Install count"), tabIndex: 0 }));
+		const installCount = append(subtitle, $('span.install', { title: localize('install count', "Install count"), tabIndex: 0 }));

-		this.rating = append(subtitle, $('span.rating.clickable', { title: localize('rating', "Rating"), tabIndex: 0 }));
+		const rating = append(subtitle, $('span.rating.clickable', { title: localize('rating', "Rating"), tabIndex: 0 }));

-		this.repository = append(subtitle, $('span.repository.clickable'));
-		this.repository.textContent = localize('repository', 'Repository');
-		this.repository.style.display = 'none';
-		this.repository.tabIndex = 0;
+		const repository = append(subtitle, $('span.repository.clickable'));
+		repository.textContent = localize('repository', 'Repository');
+		repository.style.display = 'none';
+		repository.tabIndex = 0;

-		this.license = append(subtitle, $('span.license.clickable'));
-		this.license.textContent = localize('license', 'License');
-		this.license.style.display = 'none';
-		this.license.tabIndex = 0;
+		const license = append(subtitle, $('span.license.clickable'));
+		license.textContent = localize('license', 'License');
+		license.style.display = 'none';
+		license.tabIndex = 0;

-		this.description = append(details, $('.description'));
+		const description = append(details, $('.description'));

 		const extensionActions = append(details, $('.actions'));
-		this.extensionActionBar = new ActionBar(extensionActions, {
+		const extensionActionBar = this._register(new ActionBar(extensionActions, {
 			animated: false,
 			actionViewItemProvider: (action: Action) => {
 				if (action instanceof ExtensionEditorDropDownAction) {
@@ -237,29 +241,48 @@ export class ExtensionEditor extends BaseEditor {
 				}
 				return undefined;
 			}
-		});
+		}));

-		this.subtextContainer = append(details, $('.subtext-container'));
-		this.subtext = append(this.subtextContainer, $('.subtext'));
-		this.ignoreActionbar = new ActionBar(this.subtextContainer, { animated: false });
+		const subtextContainer = append(details, $('.subtext-container'));
+		const subtext = append(subtextContainer, $('.subtext'));
+		const ignoreActionbar = this._register(new ActionBar(subtextContainer, { animated: false }));

-		this._register(this.extensionActionBar);
-		this._register(this.ignoreActionbar);
-
-		this._register(Event.chain(this.extensionActionBar.onDidRun)
+		this._register(Event.chain(extensionActionBar.onDidRun)
 			.map(({ error }) => error)
 			.filter(error => !!error)
 			.on(this.onError, this));

-		this._register(Event.chain(this.ignoreActionbar.onDidRun)
+		this._register(Event.chain(ignoreActionbar.onDidRun)
 			.map(({ error }) => error)
 			.filter(error => !!error)
 			.on(this.onError, this));

 		const body = append(root, $('.body'));
-		this.navbar = new NavBar(body);
+		const navbar = new NavBar(body);

-		this.content = append(body, $('.content'));
+		const content = append(body, $('.content'));
+
+		this.template = {
+			builtin,
+			content,
+			description,
+			extensionActionBar,
+			header,
+			icon,
+			iconContainer,
+			identifier,
+			ignoreActionbar,
+			installCount,
+			license,
+			name,
+			navbar,
+			preview,
+			publisher,
+			rating,
+			repository,
+			subtext,
+			subtextContainer
+		};
 	}

 	private onClick(element: HTMLElement, callback: () => void): IDisposable {
@@ -277,6 +300,13 @@ export class ExtensionEditor extends BaseEditor {
 	}

 	async setInput(input: ExtensionsInput, options: EditorOptions, token: CancellationToken): Promise<void> {
+		if (this.template) {
+			await this.updateTemplate(input, this.template);
+		}
+		return super.setInput(input, options, token);
+	}
+
+	private async updateTemplate(input: ExtensionsInput, template: IExtensionEditorTemplate): Promise<void> {
 		const runningExtensions = await this.extensionService.getExtensions();
 		const colorThemes = await this.workbenchThemeService.getColorThemes();
 		const fileIconThemes = await this.workbenchThemeService.getFileIconThemes();
@@ -291,18 +321,18 @@ export class ExtensionEditor extends BaseEditor {
 		this.extensionChangelog = new Cache(() => createCancelablePromise(token => extension.getChangelog(token)));
 		this.extensionManifest = new Cache(() => createCancelablePromise(token => extension.getManifest(token)));

-		const remoteBadge = this.instantiationService.createInstance(RemoteBadgeWidget, this.iconContainer, true);
-		const onError = Event.once(domEvent(this.icon, 'error'));
-		onError(() => this.icon.src = extension.iconUrlFallback, null, this.transientDisposables);
-		this.icon.src = extension.iconUrl;
+		const remoteBadge = this.instantiationService.createInstance(RemoteBadgeWidget, template.iconContainer, true);
+		const onError = Event.once(domEvent(template.icon, 'error'));
+		onError(() => template.icon.src = extension.iconUrlFallback, null, this.transientDisposables);
+		template.icon.src = extension.iconUrl;

-		this.name.textContent = extension.displayName;
-		this.identifier.textContent = extension.identifier.id;
-		this.preview.style.display = extension.preview ? 'inherit' : 'none';
-		this.builtin.style.display = extension.type === ExtensionType.System ? 'inherit' : 'none';
+		template.name.textContent = extension.displayName;
+		template.identifier.textContent = extension.identifier.id;
+		template.preview.style.display = extension.preview ? 'inherit' : 'none';
+		template.builtin.style.display = extension.type === ExtensionType.System ? 'inherit' : 'none';

-		this.publisher.textContent = extension.publisherDisplayName;
-		this.description.textContent = extension.description;
+		template.publisher.textContent = extension.publisherDisplayName;
+		template.description.textContent = extension.description;

 		const extRecommendations = this.extensionTipsService.getAllRecommendationsWithReason();
 		let recommendationsData = {};
@@ -320,51 +350,50 @@ export class ExtensionEditor extends BaseEditor {
 		*/
 		this.telemetryService.publicLog('extensionGallery:openExtension', assign(extension.telemetryData, recommendationsData));

-		toggleClass(this.name, 'clickable', !!extension.url);
-		toggleClass(this.publisher, 'clickable', !!extension.url);
-		toggleClass(this.rating, 'clickable', !!extension.url);
+		toggleClass(template.name, 'clickable', !!extension.url);
+		toggleClass(template.publisher, 'clickable', !!extension.url);
+		toggleClass(template.rating, 'clickable', !!extension.url);
 		if (extension.url) {
-			this.transientDisposables.add(this.onClick(this.name, () => window.open(extension.url)));
-			this.transientDisposables.add(this.onClick(this.rating, () => window.open(`${extension.url}#review-details`)));
-			this.transientDisposables.add(this.onClick(this.publisher, () => {
+			this.transientDisposables.add(this.onClick(template.name, () => window.open(extension.url)));
+			this.transientDisposables.add(this.onClick(template.rating, () => window.open(`${extension.url}#review-details`)));
+			this.transientDisposables.add(this.onClick(template.publisher, () => {
 				this.viewletService.openViewlet(VIEWLET_ID, true)
 					.then(viewlet => viewlet as IExtensionsViewlet)
 					.then(viewlet => viewlet.search(`publisher:"${extension.publisherDisplayName}"`));
 			}));

 			if (extension.licenseUrl) {
-				this.transientDisposables.add(this.onClick(this.license, () => window.open(extension.licenseUrl)));
-				this.license.style.display = 'initial';
+				this.transientDisposables.add(this.onClick(template.license, () => window.open(extension.licenseUrl)));
+				template.license.style.display = 'initial';
 			} else {
-				this.license.style.display = 'none';
+				template.license.style.display = 'none';
 			}
 		} else {
-			this.license.style.display = 'none';
+			template.license.style.display = 'none';
 		}

 		// {{SQL CARBON EDIT}} add license url
 		if (extension.licenseUrl) {
-			this.license.onclick = finalHandler(() => window.open(extension.licenseUrl));
-			this.license.style.display = 'initial';
+			template.license.onclick = finalHandler(() => window.open(extension.licenseUrl));
+			template.license.style.display = 'initial';
 		} else {
-			this.license.onclick = null;
-			this.license.style.display = 'none';
+			template.license.onclick = null;
+			template.license.style.display = 'none';
 		}
 		// {{SQL CARBON EDIT}} - End

 		if (extension.repository) {
-			this.transientDisposables.add(this.onClick(this.repository, () => window.open(extension.repository)));
-			this.repository.style.display = 'initial';
+			this.transientDisposables.add(this.onClick(template.repository, () => window.open(extension.repository)));
+			template.repository.style.display = 'initial';
 		}
 		else {
-			this.repository.style.display = 'none';
+			template.repository.style.display = 'none';
 		}

 		const widgets = [
 			remoteBadge,
-			// {{SQL CARBON EDIT}} Remove the widgets
-			// this.instantiationService.createInstance(InstallCountWidget, this.installCount, false),
-			// this.instantiationService.createInstance(RatingsWidget, this.rating, false)
+			// this.instantiationService.createInstance(InstallCountWidget, template.installCount, false), {{SQL CARBON EDIT}} Remove the widgets
+			// this.instantiationService.createInstance(RatingsWidget, template.rating, false) {{SQL CARBON EDIT}} Remove the widgets
 		];
 		const reloadAction = this.instantiationService.createInstance(ReloadAction);
 		const combinedInstallAction = this.instantiationService.createInstance(CombinedInstallAction);
@@ -387,20 +416,20 @@ export class ExtensionEditor extends BaseEditor {
 		const extensionContainers: ExtensionContainers = this.instantiationService.createInstance(ExtensionContainers, [...actions, ...widgets]);
 		extensionContainers.extension = extension;

-		this.extensionActionBar.clear();
-		this.extensionActionBar.push(actions, { icon: true, label: true });
+		template.extensionActionBar.clear();
+		template.extensionActionBar.push(actions, { icon: true, label: true });
 		for (const disposable of [...actions, ...widgets, extensionContainers]) {
 			this.transientDisposables.add(disposable);
 		}

-		this.setSubText(extension, reloadAction);
-		this.content.innerHTML = ''; // Clear content before setting navbar actions.
+		this.setSubText(extension, reloadAction, template);
+		template.content.innerHTML = ''; // Clear content before setting navbar actions.

-		this.navbar.clear();
-		this.navbar.onChange(this.onNavbarChange.bind(this, extension), this, this.transientDisposables);
+		template.navbar.clear();
+		template.navbar.onChange(e => this.onNavbarChange(extension, e, template), this, this.transientDisposables);

 		if (extension.hasReadme()) {
-			this.navbar.push(NavbarSection.Readme, localize('details', "Details"), localize('detailstooltip', "Extension details, rendered from the extension's 'README.md' file"));
+			template.navbar.push(NavbarSection.Readme, localize('details', "Details"), localize('detailstooltip', "Extension details, rendered from the extension's 'README.md' file"));
 		}
 		this.extensionManifest.get()
 			.promise
@@ -409,25 +438,23 @@ export class ExtensionEditor extends BaseEditor {
 					combinedInstallAction.manifest = manifest;
 				}
 				if (extension.extensionPack.length) {
-					this.navbar.push(NavbarSection.ExtensionPack, localize('extensionPack', "Extension Pack"), localize('extensionsPack', "Set of extensions that can be installed together"));
+					template.navbar.push(NavbarSection.ExtensionPack, localize('extensionPack', "Extension Pack"), localize('extensionsPack', "Set of extensions that can be installed together"));
 				}
 				if (manifest && manifest.contributes) {
-					this.navbar.push(NavbarSection.Contributions, localize('contributions', "Contributions"), localize('contributionstooltip', "Lists contributions to VS Code by this extension"));
+					template.navbar.push(NavbarSection.Contributions, localize('contributions', "Contributions"), localize('contributionstooltip', "Lists contributions to VS Code by this extension"));
 				}
 				if (extension.hasChangelog()) {
-					this.navbar.push(NavbarSection.Changelog, localize('changelog', "Changelog"), localize('changelogtooltip', "Extension update history, rendered from the extension's 'CHANGELOG.md' file"));
+					template.navbar.push(NavbarSection.Changelog, localize('changelog', "Changelog"), localize('changelogtooltip', "Extension update history, rendered from the extension's 'CHANGELOG.md' file"));
 				}
 				if (extension.dependencies.length) {
-					this.navbar.push(NavbarSection.Dependencies, localize('dependencies', "Dependencies"), localize('dependenciestooltip', "Lists extensions this extension depends on"));
+					template.navbar.push(NavbarSection.Dependencies, localize('dependencies', "Dependencies"), localize('dependenciestooltip', "Lists extensions this extension depends on"));
 				}
 				this.editorLoadComplete = true;
 			});
-
-		return super.setInput(input, options, token);
 	}

-	private setSubText(extension: IExtension, reloadAction: ReloadAction): void {
-		hide(this.subtextContainer);
+	private setSubText(extension: IExtension, reloadAction: ReloadAction, template: IExtensionEditorTemplate): void {
+		hide(template.subtextContainer);

 		const ignoreAction = this.instantiationService.createInstance(IgnoreExtensionRecommendationAction);
 		const undoIgnoreAction = this.instantiationService.createInstance(UndoIgnoreExtensionRecommendationAction);
@@ -436,23 +463,23 @@ export class ExtensionEditor extends BaseEditor {
 		ignoreAction.enabled = false;
 		undoIgnoreAction.enabled = false;

-		this.ignoreActionbar.clear();
-		this.ignoreActionbar.push([ignoreAction, undoIgnoreAction], { icon: true, label: true });
+		template.ignoreActionbar.clear();
+		template.ignoreActionbar.push([ignoreAction, undoIgnoreAction], { icon: true, label: true });
 		this.transientDisposables.add(ignoreAction);
 		this.transientDisposables.add(undoIgnoreAction);

 		const extRecommendations = this.extensionTipsService.getAllRecommendationsWithReason();
 		if (extRecommendations[extension.identifier.id.toLowerCase()]) {
 			ignoreAction.enabled = true;
-			this.subtext.textContent = extRecommendations[extension.identifier.id.toLowerCase()].reasonText;
-			show(this.subtextContainer);
+			template.subtext.textContent = extRecommendations[extension.identifier.id.toLowerCase()].reasonText;
+			show(template.subtextContainer);
 		} else if (this.extensionTipsService.getAllIgnoredRecommendations().global.indexOf(extension.identifier.id.toLowerCase()) !== -1) {
 			undoIgnoreAction.enabled = true;
-			this.subtext.textContent = localize('recommendationHasBeenIgnored', "You have chosen not to receive recommendations for this extension.");
-			show(this.subtextContainer);
+			template.subtext.textContent = localize('recommendationHasBeenIgnored', "You have chosen not to receive recommendations for this extension.");
+			show(template.subtextContainer);
 		}
 		else {
-			this.subtext.textContent = '';
+			template.subtext.textContent = '';
 		}

 		this.extensionTipsService.onRecommendationChange(change => {
@@ -462,28 +489,28 @@ export class ExtensionEditor extends BaseEditor {
 					const extRecommendations = this.extensionTipsService.getAllRecommendationsWithReason();
 					if (extRecommendations[extension.identifier.id.toLowerCase()]) {
 						ignoreAction.enabled = true;
-						this.subtext.textContent = extRecommendations[extension.identifier.id.toLowerCase()].reasonText;
+						template.subtext.textContent = extRecommendations[extension.identifier.id.toLowerCase()].reasonText;
 					}
 				} else {
 					undoIgnoreAction.enabled = true;
 					ignoreAction.enabled = false;
-					this.subtext.textContent = localize('recommendationHasBeenIgnored', "You have chosen not to receive recommendations for this extension.");
+					template.subtext.textContent = localize('recommendationHasBeenIgnored', "You have chosen not to receive recommendations for this extension.");
 				}
 			}
 		});

 		this.transientDisposables.add(reloadAction.onDidChange(e => {
 			if (e.tooltip) {
-				this.subtext.textContent = reloadAction.tooltip;
-				show(this.subtextContainer);
+				template.subtext.textContent = reloadAction.tooltip;
+				show(template.subtextContainer);
 				ignoreAction.enabled = false;
 				undoIgnoreAction.enabled = false;
 			}
 			if (e.enabled === true) {
-				show(this.subtextContainer);
+				show(template.subtextContainer);
 			}
 			if (e.enabled === false) {
-				hide(this.subtextContainer);
+				hide(template.subtextContainer);
 			}
 		}));
 	}
@@ -507,7 +534,7 @@ export class ExtensionEditor extends BaseEditor {
 		}
 	}

-	private onNavbarChange(extension: IExtension, { id, focus }: { id: string, focus: boolean }): void {
+	private onNavbarChange(extension: IExtension, { id, focus }: { id: string | null, focus: boolean }, template: IExtensionEditorTemplate): void {
 		if (this.editorLoadComplete) {
 			/* __GDPR__
 				"extensionEditor:navbarChange" : {
@@ -521,30 +548,32 @@ export class ExtensionEditor extends BaseEditor {
 		}

 		this.contentDisposables.clear();
-		this.content.innerHTML = '';
+		template.content.innerHTML = '';
 		this.activeElement = null;
-		this.open(id, extension)
-			.then(activeElement => {
-				this.activeElement = activeElement;
-				if (focus) {
-					this.focus();
-				}
-			});
+		if (id) {
+			this.open(id, extension, template)
+				.then(activeElement => {
+					this.activeElement = activeElement;
+					if (focus) {
+						this.focus();
+					}
+				});
+		}
 	}

-	private open(id: string, extension: IExtension): Promise<IActiveElement | null> {
+	private open(id: string, extension: IExtension, template: IExtensionEditorTemplate): Promise<IActiveElement | null> {
 		switch (id) {
-			case NavbarSection.Readme: return this.openReadme();
-			case NavbarSection.Contributions: return this.openContributions();
-			case NavbarSection.Changelog: return this.openChangelog();
-			case NavbarSection.Dependencies: return this.openDependencies(extension);
-			case NavbarSection.ExtensionPack: return this.openExtensionPack(extension);
+			case NavbarSection.Readme: return this.openReadme(template);
+			case NavbarSection.Contributions: return this.openContributions(template);
+			case NavbarSection.Changelog: return this.openChangelog(template);
+			case NavbarSection.Dependencies: return this.openDependencies(extension, template);
+			case NavbarSection.ExtensionPack: return this.openExtensionPack(extension, template);
 		}
 		return Promise.resolve(null);
 	}

-	private openMarkdown(cacheResult: CacheResult<string>, noContentCopy: string): Promise<IActiveElement> {
-		return this.loadContents(() => cacheResult)
+	private openMarkdown(cacheResult: CacheResult<string>, noContentCopy: string, template: IExtensionEditorTemplate): Promise<IActiveElement> {
+		return this.loadContents(() => cacheResult, template)
 			.then(marked.parse)
 			.then(content => this.renderBody(content))
 			.then(removeEmbeddedSVGs)
@@ -556,7 +585,7 @@ export class ExtensionEditor extends BaseEditor {
 					{
 						svgWhiteList: this.extensionsWorkbenchService.allowedBadgeProviders,
 					});
-				webviewElement.mountTo(this.content);
+				webviewElement.mountTo(template.content);
 				this.contentDisposables.add(webviewElement.onDidFocus(() => this.fireOnDidFocus()));
 				const removeLayoutParticipant = arrays.insert(this.layoutParticipants, webviewElement);
 				this.contentDisposables.add(toDisposable(removeLayoutParticipant));
@@ -575,7 +604,7 @@ export class ExtensionEditor extends BaseEditor {
 				return webviewElement;
 			})
 			.then(undefined, () => {
-				const p = append(this.content, $('p.nocontent'));
+				const p = append(template.content, $('p.nocontent'));
 				p.textContent = noContentCopy;
 				return p;
 			});
@@ -769,17 +798,17 @@ export class ExtensionEditor extends BaseEditor {
 		</html>`;
 	}

-	private openReadme(): Promise<IActiveElement> {
-		return this.openMarkdown(this.extensionReadme!.get(), localize('noReadme', "No README available."));
+	private openReadme(template: IExtensionEditorTemplate): Promise<IActiveElement> {
+		return this.openMarkdown(this.extensionReadme!.get(), localize('noReadme', "No README available."), template);
 	}

-	private openChangelog(): Promise<IActiveElement> {
-		return this.openMarkdown(this.extensionChangelog!.get(), localize('noChangelog', "No Changelog available."));
+	private openChangelog(template: IExtensionEditorTemplate): Promise<IActiveElement> {
+		return this.openMarkdown(this.extensionChangelog!.get(), localize('noChangelog', "No Changelog available."), template);
 	}

-	private openContributions(): Promise<IActiveElement> {
+	private openContributions(template: IExtensionEditorTemplate): Promise<IActiveElement> {
 		const content = $('div', { class: 'subcontent', tabindex: '0' });
-		return this.loadContents(() => this.extensionManifest!.get())
+		return this.loadContents(() => this.extensionManifest!.get(), template)
 			.then(manifest => {
 				if (!manifest) {
 					return content;
@@ -811,28 +840,28 @@ export class ExtensionEditor extends BaseEditor {
 				const isEmpty = !renders.some(x => x);
 				if (isEmpty) {
 					append(content, $('p.nocontent')).textContent = localize('noContributions', "No Contributions");
-					append(this.content, content);
+					append(template.content, content);
 				} else {
-					append(this.content, scrollableContent.getDomNode());
+					append(template.content, scrollableContent.getDomNode());
 					this.contentDisposables.add(scrollableContent);
 				}
 				return content;
 			}, () => {
 				append(content, $('p.nocontent')).textContent = localize('noContributions', "No Contributions");
-				append(this.content, content);
+				append(template.content, content);
 				return content;
 			});
 	}

-	private openDependencies(extension: IExtension): Promise<IActiveElement> {
+	private openDependencies(extension: IExtension, template: IExtensionEditorTemplate): Promise<IActiveElement> {
 		if (arrays.isFalsyOrEmpty(extension.dependencies)) {
-			append(this.content, $('p.nocontent')).textContent = localize('noDependencies', "No Dependencies");
-			return Promise.resolve(this.content);
+			append(template.content, $('p.nocontent')).textContent = localize('noDependencies', "No Dependencies");
+			return Promise.resolve(template.content);
 		}

 		const content = $('div', { class: 'subcontent' });
 		const scrollableContent = new DomScrollableElement(content, {});
-		append(this.content, scrollableContent.getDomNode());
+		append(template.content, scrollableContent.getDomNode());
 		this.contentDisposables.add(scrollableContent);

 		const dependenciesTree = this.instantiationService.createInstance(ExtensionsTree, new ExtensionData(extension, null, extension => extension.dependencies || [], this.extensionsWorkbenchService), content);
@@ -849,10 +878,10 @@ export class ExtensionEditor extends BaseEditor {
 		return Promise.resolve({ focus() { dependenciesTree.domFocus(); } });
 	}

-	private openExtensionPack(extension: IExtension): Promise<IActiveElement> {
+	private openExtensionPack(extension: IExtension, template: IExtensionEditorTemplate): Promise<IActiveElement> {
 		const content = $('div', { class: 'subcontent' });
 		const scrollableContent = new DomScrollableElement(content, {});
-		append(this.content, scrollableContent.getDomNode());
+		append(template.content, scrollableContent.getDomNode());
 		this.contentDisposables.add(scrollableContent);

 		const extensionsPackTree = this.instantiationService.createInstance(ExtensionsTree, new ExtensionData(extension, null, extension => extension.extensionPack || [], this.extensionsWorkbenchService), content);
@@ -1272,11 +1301,11 @@ export class ExtensionEditor extends BaseEditor {
 		return null;
 	}

-	private loadContents<T>(loadingTask: () => CacheResult<T>): Promise<T> {
-		addClass(this.content, 'loading');
+	private loadContents<T>(loadingTask: () => CacheResult<T>, template: IExtensionEditorTemplate): Promise<T> {
+		addClass(template.content, 'loading');

 		const result = loadingTask();
-		const onDone = () => removeClass(this.content, 'loading');
+		const onDone = () => removeClass(template.content, 'loading');
 		result.promise.then(onDone, onDone);

 		this.contentDisposables.add(toDisposable(() => result.dispose()));
--- a/src/vs/workbench/contrib/extensions/browser/extensionsActions.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsActions.ts
@@ -3097,7 +3097,10 @@ interface IExtensionPickItem extends IQuickPickItem {

 export class InstallLocalExtensionsInRemoteAction extends Action {

+	private extensions: IExtension[] | undefined = undefined;
+
 	constructor(
+		private readonly selectAndInstall: boolean,
 		@IExtensionsWorkbenchService private readonly extensionsWorkbenchService: IExtensionsWorkbenchService,
 		@IExtensionManagementServerService private readonly extensionManagementServerService: IExtensionManagementServerService,
 		@IExtensionGalleryService private readonly extensionGalleryService: IExtensionGalleryService,
@@ -3109,32 +3112,56 @@ export class InstallLocalExtensionsInRemoteAction extends Action {
 	) {
 		super('workbench.extensions.actions.installLocalExtensionsInRemote');
 		this.update();
-		this._register(this.extensionsWorkbenchService.onChange(() => this.update()));
+		this.extensionsWorkbenchService.queryLocal().then(() => this.updateExtensions());
+		this._register(this.extensionsWorkbenchService.onChange(() => {
+			if (this.extensions) {
+				this.updateExtensions();
+			}
+		}));
 	}

 	get label(): string {
-		return this.extensionManagementServerService.remoteExtensionManagementServer ?
-			localize('install local extensions', "Install Local Extensions in {0}...", this.extensionManagementServerService.remoteExtensionManagementServer.label) : '';
+		if (this.extensionManagementServerService.remoteExtensionManagementServer) {
+			return this.selectAndInstall ?
+				localize('select and install local extensions', "Install Local Extensions in {0}...", this.extensionManagementServerService.remoteExtensionManagementServer.label)
+				: localize('install local extensions', "Install Local Extensions in {0}", this.extensionManagementServerService.remoteExtensionManagementServer.label);
+		}
+		return '';
+	}
+
+	private updateExtensions(): void {
+		this.extensions = this.extensionsWorkbenchService.local;
+		this.update();
 	}

 	private update(): void {
-		this.enabled = this.getLocalExtensionsToInstall().length > 0;
+		this.enabled = !!this.extensions && this.getExtensionsToInstall(this.extensions).length > 0;
+		this.tooltip = this.label;
 	}

-	private getLocalExtensionsToInstall(): IExtension[] {
-		return this.extensionsWorkbenchService.local.filter(extension => {
+	async run(): Promise<void> {
+		if (this.selectAndInstall) {
+			return this.selectAndInstallLocalExtensions();
+		} else {
+			const extensionsToInstall = await this.queryExtensionsToInstall();
+			return this.installLocalExtensions(extensionsToInstall);
+		}
+	}
+
+	private async queryExtensionsToInstall(): Promise<IExtension[]> {
+		const local = await this.extensionsWorkbenchService.queryLocal();
+		return this.getExtensionsToInstall(local);
+	}
+
+	private getExtensionsToInstall(local: IExtension[]): IExtension[] {
+		return local.filter(extension => {
 			const action = this.instantiationService.createInstance(RemoteInstallAction);
 			action.extension = extension;
 			return action.enabled;
 		});
 	}

-	async run(): Promise<void> {
-		this.selectAndInstallLocalExtensions();
-		return Promise.resolve();
-	}
-
-	private selectAndInstallLocalExtensions(): void {
+	private async selectAndInstallLocalExtensions(): Promise<void> {
 		const quickPick = this.quickInputService.createQuickPick<IExtensionPickItem>();
 		quickPick.busy = true;
 		const disposable = quickPick.onDidAccept(() => {
@@ -3144,7 +3171,7 @@ export class InstallLocalExtensionsInRemoteAction extends Action {
 			this.onDidAccept(quickPick.selectedItems);
 		});
 		quickPick.show();
-		const localExtensionsToInstall = this.getLocalExtensionsToInstall();
+		const localExtensionsToInstall = await this.queryExtensionsToInstall();
 		quickPick.busy = false;
 		if (localExtensionsToInstall.length) {
 			quickPick.title = localize('install local extensions title', "Install Local Extensions in {0}", this.extensionManagementServerService.remoteExtensionManagementServer!.label);
--- a/src/vs/workbench/contrib/extensions/browser/extensionsViewer.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsViewer.ts
@@ -156,7 +156,7 @@ export class UnknownExtensionRenderer implements IListRenderer<ITreeNode<IExtens

 class OpenExtensionAction extends Action {

-	private _extensionData: IExtensionData;
+	private _extensionData: IExtensionData | undefined;

 	constructor(@IExtensionsWorkbenchService private readonly extensionsWorkdbenchService: IExtensionsWorkbenchService) {
 		super('extensions.action.openExtension', '');
@@ -166,12 +166,11 @@ class OpenExtensionAction extends Action {
 		this._extensionData = extension;
 	}

-	public get extensionData(): IExtensionData {
-		return this._extensionData;
-	}
-
 	run(sideByside: boolean): Promise<any> {
-		return this.extensionsWorkdbenchService.open(this.extensionData.extension, sideByside);
+		if (this._extensionData) {
+			return this.extensionsWorkdbenchService.open(this._extensionData.extension, sideByside);
+		}
+		return Promise.resolve();
 	}
 }

@@ -263,4 +262,4 @@ export class ExtensionData implements IExtensionData {
 		}
 		return null;
 	}
-}
+}
--- a/src/vs/workbench/contrib/extensions/browser/extensionsViewlet.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsViewlet.ts
@@ -22,7 +22,7 @@ import { IExtensionsWorkbenchService, IExtensionsViewlet, VIEWLET_ID, AutoUpdate
 import {
 	ShowEnabledExtensionsAction, ShowInstalledExtensionsAction, ShowRecommendedExtensionsAction, ShowPopularExtensionsAction, ShowDisabledExtensionsAction,
 	ShowOutdatedExtensionsAction, ClearExtensionsInputAction, ChangeSortAction, UpdateAllAction, CheckForUpdatesAction, DisableAllAction, EnableAllAction,
-	EnableAutoUpdateAction, DisableAutoUpdateAction, ShowBuiltInExtensionsAction, InstallVSIXAction, InstallLocalExtensionsInRemoteAction
+	EnableAutoUpdateAction, DisableAutoUpdateAction, ShowBuiltInExtensionsAction, InstallVSIXAction
 } from 'vs/workbench/contrib/extensions/browser/extensionsActions';
 import { IExtensionManagementService } from 'vs/platform/extensionManagement/common/extensionManagement';
 import { IExtensionEnablementService, IExtensionManagementServerService, IExtensionManagementServer } from 'vs/workbench/services/extensionManagement/common/extensionManagement';
@@ -323,7 +323,8 @@ export class ExtensionsViewletViewsContribution implements IWorkbenchContributio

 export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensionsViewlet {

-	private onSearchChange: EventOf<string>;
+	private readonly _onSearchChange: Emitter<string> = this._register(new Emitter<string>());
+	private readonly onSearchChange: EventOf<string> = this._onSearchChange.event;
 	private nonEmptyWorkspaceContextKey: IContextKey<boolean>;
 	private defaultViewsContextKey: IContextKey<boolean>;
 	private searchMarketplaceExtensionsContextKey: IContextKey<boolean>;
@@ -337,12 +338,10 @@ export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensio
 	private defaultRecommendedExtensionsContextKey: IContextKey<boolean>;

 	private searchDelayer: Delayer<void>;
-	private root: HTMLElement;
-
-	private searchBox: SuggestEnabledInput;
-	private extensionsBox: HTMLElement;
-	private primaryActions: IAction[];
-	private secondaryActions: IAction[] | null;
+	private root: HTMLElement | undefined;
+	private searchBox: SuggestEnabledInput | undefined;
+	private primaryActions: IAction[] | undefined;
+	private secondaryActions: IAction[] | null = null;
 	private readonly searchViewletState: MementoObject;

 	constructor(
@@ -352,7 +351,6 @@ export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensio
 		@IInstantiationService instantiationService: IInstantiationService,
 		@IEditorGroupsService private readonly editorGroupService: IEditorGroupsService,
 		@IExtensionManagementService private readonly extensionManagementService: IExtensionManagementService,
-		@IExtensionManagementServerService private readonly extensionManagementServerService: IExtensionManagementServerService,
 		@INotificationService private readonly notificationService: INotificationService,
 		@IViewletService private readonly viewletService: IViewletService,
 		@IThemeService themeService: IThemeService,
@@ -422,32 +420,35 @@ export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensio

 		this._register(attachSuggestEnabledInputBoxStyler(this.searchBox, this.themeService));

-		const _searchChange = new Emitter<string>();
-		this.onSearchChange = _searchChange.event;
 		this._register(this.searchBox.onInputDidChange(() => {
 			this.triggerSearch();
-			_searchChange.fire(this.searchBox.getValue());
+			this._onSearchChange.fire(this.searchBox!.getValue());
 		}, this));

 		this._register(this.searchBox.onShouldFocusResults(() => this.focusListView(), this));

 		this._register(this.onDidChangeVisibility(visible => {
 			if (visible) {
-				this.searchBox.focus();
+				this.searchBox!.focus();
 			}
 		}));

-		this.extensionsBox = append(this.root, $('.extensions'));
-		super.create(this.extensionsBox);
+		super.create(append(this.root, $('.extensions')));
 	}

 	focus(): void {
-		this.searchBox.focus();
+		if (this.searchBox) {
+			this.searchBox.focus();
+		}
 	}

 	layout(dimension: Dimension): void {
-		toggleClass(this.root, 'narrow', dimension.width <= 300);
-		this.searchBox.layout({ height: 20, width: dimension.width - 34 });
+		if (this.root) {
+			toggleClass(this.root, 'narrow', dimension.width <= 300);
+		}
+		if (this.searchBox) {
+			this.searchBox.layout({ height: 20, width: dimension.width - 34 });
+		}
 		super.layout(new Dimension(dimension.width, dimension.height - 38));
 	}

@@ -458,7 +459,7 @@ export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensio
 	getActions(): IAction[] {
 		if (!this.primaryActions) {
 			this.primaryActions = [
-				this.instantiationService.createInstance(ClearExtensionsInputAction, ClearExtensionsInputAction.ID, ClearExtensionsInputAction.LABEL, this.onSearchChange, this.searchBox.getValue())
+				this.instantiationService.createInstance(ClearExtensionsInputAction, ClearExtensionsInputAction.ID, ClearExtensionsInputAction.LABEL, this.onSearchChange, this.searchBox ? this.searchBox.getValue() : '')
 			];
 		}
 		return this.primaryActions;
@@ -484,7 +485,6 @@ export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensio
 				this.instantiationService.createInstance(CheckForUpdatesAction, CheckForUpdatesAction.ID, CheckForUpdatesAction.LABEL),
 				...(this.configurationService.getValue(AutoUpdateConfigurationKey) ? [this.instantiationService.createInstance(DisableAutoUpdateAction, DisableAutoUpdateAction.ID, DisableAutoUpdateAction.LABEL)] : [this.instantiationService.createInstance(UpdateAllAction, UpdateAllAction.ID, UpdateAllAction.LABEL), this.instantiationService.createInstance(EnableAutoUpdateAction, EnableAutoUpdateAction.ID, EnableAutoUpdateAction.LABEL)]),
 				this.instantiationService.createInstance(InstallVSIXAction, InstallVSIXAction.ID, InstallVSIXAction.LABEL),
-				...(this.extensionManagementServerService.localExtensionManagementServer && this.extensionManagementServerService.remoteExtensionManagementServer ? [this.instantiationService.createInstance(InstallLocalExtensionsInRemoteAction)] : []),
 				new Separator(),
 				this.instantiationService.createInstance(DisableAllAction, DisableAllAction.ID, DisableAllAction.LABEL),
 				this.instantiationService.createInstance(EnableAllAction, EnableAllAction.ID, EnableAllAction.LABEL)
@@ -495,22 +495,24 @@ export class ExtensionsViewlet extends ViewContainerViewlet implements IExtensio
 	}

 	search(value: string): void {
-		const event = new Event('input', { bubbles: true }) as SearchInputEvent;
-		event.immediate = true;
+		if (this.searchBox) {
+			const event = new Event('input', { bubbles: true }) as SearchInputEvent;
+			event.immediate = true;

-		this.searchBox.setValue(value);
+			this.searchBox.setValue(value);
+		}
 	}

-	private triggerSearch(immediate = false): void {
-		this.searchDelayer.trigger(() => this.doSearch(), immediate || !this.searchBox.getValue() ? 0 : 500).then(undefined, err => this.onError(err));
+	private triggerSearch(): void {
+		this.searchDelayer.trigger(() => this.doSearch(), this.searchBox && this.searchBox.getValue() ? 500 : 0).then(undefined, err => this.onError(err));
 	}

 	private normalizedQuery(): string {
-		return this.searchBox.getValue().replace(/@category/g, 'category').replace(/@tag:/g, 'tag:').replace(/@ext:/g, 'ext:');
+		return this.searchBox ? this.searchBox.getValue().replace(/@category/g, 'category').replace(/@tag:/g, 'tag:').replace(/@ext:/g, 'ext:') : '';
 	}

 	protected saveState(): void {
-		const value = this.searchBox.getValue();
+		const value = this.searchBox ? this.searchBox.getValue() : '';
 		if (ExtensionsListView.isLocalExtensionsQuery(value)) {
 			this.searchViewletState['query.value'] = value;
 		} else {
--- a/src/vs/workbench/contrib/extensions/browser/extensionsViews.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsViews.ts
@@ -14,11 +14,11 @@ import { IExtensionManagementServer, IExtensionManagementServerService, IExtensi
 import { areSameExtensions } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
 import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
 import { IContextMenuService } from 'vs/platform/contextview/browser/contextView';
-import { append, $, toggleClass } from 'vs/base/browser/dom';
+import { append, $, toggleClass, addClass } from 'vs/base/browser/dom';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { Delegate, Renderer, IExtensionsViewState } from 'vs/workbench/contrib/extensions/browser/extensionsList';
-import { IExtension, IExtensionsWorkbenchService, ExtensionState } from '../common/extensions';
-import { Query } from '../common/extensionQuery';
+import { IExtension, IExtensionsWorkbenchService, ExtensionState } from 'vs/workbench/contrib/extensions/common/extensions';
+import { Query } from 'vs/workbench/contrib/extensions/common/extensionQuery';
 import { IExtensionService } from 'vs/workbench/services/extensions/common/extensions';
 import { IThemeService } from 'vs/platform/theme/common/themeService';
 import { attachBadgeStyler } from 'vs/platform/theme/common/styler';
@@ -27,8 +27,8 @@ import { OpenGlobalSettingsAction } from 'vs/workbench/contrib/preferences/brows
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { CountBadge } from 'vs/base/browser/ui/countBadge/countBadge';
-import { ActionBar, Separator } from 'vs/base/browser/ui/actionbar/actionbar';
-import { InstallWorkspaceRecommendedExtensionsAction, ConfigureWorkspaceFolderRecommendedExtensionsAction, ManageExtensionAction } from 'vs/workbench/contrib/extensions/browser/extensionsActions';
+import { Separator } from 'vs/base/browser/ui/actionbar/actionbar';
+import { InstallWorkspaceRecommendedExtensionsAction, ConfigureWorkspaceFolderRecommendedExtensionsAction, ManageExtensionAction, InstallLocalExtensionsInRemoteAction } from 'vs/workbench/contrib/extensions/browser/extensionsActions';
 import { WorkbenchPagedList } from 'vs/platform/list/browser/listService';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { INotificationService, Severity } from 'vs/platform/notification/common/notification';
@@ -74,15 +74,16 @@ class ExtensionListViewWarning extends Error { }

 export class ExtensionsListView extends ViewletPanel {

-	private readonly server: IExtensionManagementServer | undefined;
-	private messageContainer: HTMLElement;
-	private messageSeverityIcon: HTMLElement;
-	private messageBox: HTMLElement;
-	private extensionsList: HTMLElement;
-	private badge: CountBadge;
-	protected badgeContainer: HTMLElement;
-	private list: WorkbenchPagedList<IExtension> | null;
-	private queryRequest: { query: string, request: CancelablePromise<IPagedModel<IExtension>> } | null;
+	protected readonly server: IExtensionManagementServer | undefined;
+	private bodyTemplate: {
+		messageContainer: HTMLElement;
+		messageSeverityIcon: HTMLElement;
+		messageBox: HTMLElement;
+		extensionsList: HTMLElement;
+	} | undefined;
+	private badge: CountBadge | undefined;
+	private list: WorkbenchPagedList<IExtension> | null = null;
+	private queryRequest: { query: string, request: CancelablePromise<IPagedModel<IExtension>> } | null = null;

 	constructor(
 		options: ExtensionsListViewOptions,
@@ -104,31 +105,27 @@ export class ExtensionsListView extends ViewletPanel {
 		@IProductService protected readonly productService: IProductService,
 		@IContextKeyService contextKeyService: IContextKeyService,
 	) {
-		super({ ...(options as IViewletPanelOptions), ariaHeaderLabel: options.title }, keybindingService, contextMenuService, configurationService, contextKeyService);
+		super({ ...(options as IViewletPanelOptions), ariaHeaderLabel: options.title, showActionsAlways: true }, keybindingService, contextMenuService, configurationService, contextKeyService);
 		this.server = options.server;
 	}

 	protected renderHeader(container: HTMLElement): void {
-		this.renderHeaderTitle(container);
-	}
+		addClass(container, 'extension-view-header');
+		super.renderHeader(container);

-	renderHeaderTitle(container: HTMLElement): void {
-		super.renderHeaderTitle(container, this.title);
-
-		this.badgeContainer = append(container, $('.count-badge-wrapper'));
-		this.badge = new CountBadge(this.badgeContainer);
+		this.badge = new CountBadge(append(container, $('.count-badge-wrapper')));
 		this._register(attachBadgeStyler(this.badge, this.themeService));
 	}

 	renderBody(container: HTMLElement): void {
-		this.extensionsList = append(container, $('.extensions-list'));
-		this.messageContainer = append(container, $('.message-container'));
-		this.messageSeverityIcon = append(this.messageContainer, $(''));
-		this.messageBox = append(this.messageContainer, $('.message'));
+		const extensionsList = append(container, $('.extensions-list'));
+		const messageContainer = append(container, $('.message-container'));
+		const messageSeverityIcon = append(messageContainer, $(''));
+		const messageBox = append(messageContainer, $('.message'));
 		const delegate = new Delegate();
 		const extensionsViewState = new ExtensionsViewState();
 		const renderer = this.instantiationService.createInstance(Renderer, extensionsViewState);
-		this.list = this.instantiationService.createInstance(WorkbenchPagedList, this.extensionsList, delegate, [renderer], {
+		this.list = this.instantiationService.createInstance(WorkbenchPagedList, extensionsList, delegate, [renderer], {
 			ariaLabel: localize('extensions', "Extensions"),
 			multipleSelectionSupport: false,
 			setRowLineHeight: false,
@@ -148,10 +145,19 @@ export class ExtensionsListView extends ViewletPanel {
 			.map(e => e.elements[0])
 			.filter(e => !!e)
 			.on(this.pin, this));
+
+		this.bodyTemplate = {
+			extensionsList,
+			messageBox,
+			messageContainer,
+			messageSeverityIcon
+		};
 	}

 	protected layoutBody(height: number, width: number): void {
-		this.extensionsList.style.height = height + 'px';
+		if (this.bodyTemplate) {
+			this.bodyTemplate.extensionsList.style.height = height + 'px';
+		}
 		if (this.list) {
 			this.list.layout(height, width);
 		}
@@ -501,7 +507,7 @@ export class ExtensionsListView extends ViewletPanel {

 	}

-	private _searchExperiments: Promise<IExperiment[]>;
+	private _searchExperiments: Promise<IExperiment[]> | undefined;
 	private getSearchExperiments(): Promise<IExperiment[]> {
 		if (!this._searchExperiments) {
 			this._searchExperiments = this.experimentService.getExperimentsByType(ExperimentActionType.ExtensionSearchResults);
@@ -773,24 +779,27 @@ export class ExtensionsListView extends ViewletPanel {
 			this.list.scrollTop = 0;
 			const count = this.count();

-			toggleClass(this.extensionsList, 'hidden', count === 0);
-			toggleClass(this.messageContainer, 'hidden', count > 0);
-			this.badge.setCount(count);
+			if (this.bodyTemplate && this.badge) {

-			if (count === 0 && this.isBodyVisible()) {
-				if (error) {
-					if (error instanceof ExtensionListViewWarning) {
-						this.messageSeverityIcon.className = SeverityIcon.className(Severity.Warning);
-						this.messageBox.textContent = getErrorMessage(error);
+				toggleClass(this.bodyTemplate.extensionsList, 'hidden', count === 0);
+				toggleClass(this.bodyTemplate.messageContainer, 'hidden', count > 0);
+				this.badge.setCount(count);
+
+				if (count === 0 && this.isBodyVisible()) {
+					if (error) {
+						if (error instanceof ExtensionListViewWarning) {
+							this.bodyTemplate.messageSeverityIcon.className = SeverityIcon.className(Severity.Warning);
+							this.bodyTemplate.messageBox.textContent = getErrorMessage(error);
+						} else {
+							this.bodyTemplate.messageSeverityIcon.className = SeverityIcon.className(Severity.Error);
+							this.bodyTemplate.messageBox.textContent = localize('error', "Error while loading extensions. {0}", getErrorMessage(error));
+						}
 					} else {
-						this.messageSeverityIcon.className = SeverityIcon.className(Severity.Error);
-						this.messageBox.textContent = localize('error', "Error while loading extensions. {0}", getErrorMessage(error));
+						this.bodyTemplate.messageSeverityIcon.className = '';
+						this.bodyTemplate.messageBox.textContent = localize('no extensions found', "No extensions found.");
 					}
-				} else {
-					this.messageSeverityIcon.className = '';
-					this.messageBox.textContent = localize('no extensions found', "No extensions found.");
+					alert(this.bodyTemplate.messageBox.textContent);
 				}
-				alert(this.messageBox.textContent);
 			}
 		}
 	}
@@ -949,6 +958,15 @@ export class ServerExtensionsView extends ExtensionsListView {
 		}
 		return super.show(query.trim());
 	}
+
+	getActions(): IAction[] {
+		if (this.extensionManagementServerService.localExtensionManagementServer === this.server) {
+			const installLocalExtensionsInRemoteAction = this._register(this.instantiationService.createInstance(InstallLocalExtensionsInRemoteAction, false));
+			installLocalExtensionsInRemoteAction.class = 'octicon octicon-cloud-download';
+			return [installLocalExtensionsInRemoteAction];
+		}
+		return [];
+	}
 }

 export class EnabledExtensionsView extends ExtensionsListView {
@@ -1030,7 +1048,7 @@ export class RecommendedExtensionsView extends ExtensionsListView {

 export class WorkspaceRecommendedExtensionsView extends ExtensionsListView {
 	private readonly recommendedExtensionsQuery = '@recommended:workspace';
-	private installAllAction: InstallWorkspaceRecommendedExtensionsAction;
+	private installAllAction: InstallWorkspaceRecommendedExtensionsAction | undefined;

 	renderBody(container: HTMLElement): void {
 		super.renderBody(container);
@@ -1040,25 +1058,15 @@ export class WorkspaceRecommendedExtensionsView extends ExtensionsListView {
 		this._register(this.contextService.onDidChangeWorkbenchState(() => this.update()));
 	}

-	renderHeader(container: HTMLElement): void {
-		super.renderHeader(container);
+	getActions(): IAction[] {
+		if (!this.installAllAction) {
+			this.installAllAction = this._register(this.instantiationService.createInstance(InstallWorkspaceRecommendedExtensionsAction, InstallWorkspaceRecommendedExtensionsAction.ID, InstallWorkspaceRecommendedExtensionsAction.LABEL, []));
+			this.installAllAction.class = 'octicon octicon-cloud-download';
+		}

-		const listActionBar = $('.list-actionbar-container');
-		container.insertBefore(listActionBar, this.badgeContainer);
-
-		const actionbar = this._register(new ActionBar(listActionBar, {
-			animated: false
-		}));
-		actionbar.onDidRun(({ error }) => error && this.notificationService.error(error));
-
-		this.installAllAction = this._register(this.instantiationService.createInstance(InstallWorkspaceRecommendedExtensionsAction, InstallWorkspaceRecommendedExtensionsAction.ID, InstallWorkspaceRecommendedExtensionsAction.LABEL, []));
 		const configureWorkspaceFolderAction = this._register(this.instantiationService.createInstance(ConfigureWorkspaceFolderRecommendedExtensionsAction, ConfigureWorkspaceFolderRecommendedExtensionsAction.ID, ConfigureWorkspaceFolderRecommendedExtensionsAction.LABEL));
-
-		this.installAllAction.class = 'octicon octicon-cloud-download';
 		configureWorkspaceFolderAction.class = 'octicon octicon-pencil';
-
-		actionbar.push([this.installAllAction], { icon: true, label: false });
-		actionbar.push([configureWorkspaceFolderAction], { icon: true, label: false });
+		return [this.installAllAction, configureWorkspaceFolderAction];
 	}

 	async show(query: string): Promise<IPagedModel<IExtension>> {
@@ -1073,9 +1081,11 @@ export class WorkspaceRecommendedExtensionsView extends ExtensionsListView {
 		this.setRecommendationsToInstall();
 	}

-	private setRecommendationsToInstall(): Promise<void> {
-		return this.getRecommendationsToInstall()
-			.then(recommendations => { this.installAllAction.recommendations = recommendations; });
+	private async setRecommendationsToInstall(): Promise<void> {
+		const recommendations = await this.getRecommendationsToInstall();
+		if (this.installAllAction) {
+			this.installAllAction.recommendations = recommendations;
+		}
 	}

 	private getRecommendationsToInstall(): Promise<IExtensionRecommendation[]> {
--- a/src/vs/workbench/contrib/extensions/browser/extensionsWidgets.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsWidgets.ts
@@ -18,9 +18,9 @@ import { Emitter, Event } from 'vs/base/common/event';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';

 export abstract class ExtensionWidget extends Disposable implements IExtensionContainer {
-	private _extension: IExtension;
-	get extension(): IExtension { return this._extension; }
-	set extension(extension: IExtension) { this._extension = extension; this.update(); }
+	private _extension: IExtension | null = null;
+	get extension(): IExtension | null { return this._extension; }
+	set extension(extension: IExtension | null) { this._extension = extension; this.update(); }
 	update(): void { this.render(); }
 	abstract render(): void;
 }
@@ -183,7 +183,7 @@ export class RecommendationWidget extends ExtensionWidget {
 	private element?: HTMLElement;
 	private readonly disposables = this._register(new DisposableStore());

-	private _tooltip: string;
+	private _tooltip: string = '';
 	get tooltip(): string { return this._tooltip; }
 	set tooltip(tooltip: string) {
 		if (this._tooltip !== tooltip) {
@@ -314,4 +314,4 @@ class RemoteBadge extends Disposable {
 			updateTitle();
 		}
 	}
-}
+}
--- a/src/vs/workbench/contrib/extensions/browser/extensionsWorkbenchService.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionsWorkbenchService.ts
@@ -500,7 +500,7 @@ export class ExtensionsWorkbenchService extends Disposable implements IExtension
 	private readonly _onChange: Emitter<IExtension | undefined> = new Emitter<IExtension | undefined>();
 	get onChange(): Event<IExtension | undefined> { return this._onChange.event; }

-	private _extensionAllowedBadgeProviders: string[];
+	private _extensionAllowedBadgeProviders: string[] | undefined;
 	private installing: IExtension[] = [];

 	constructor(
@@ -1151,12 +1151,12 @@ export class ExtensionsWorkbenchService extends Disposable implements IExtension
 	}


-	private _ignoredAutoUpdateExtensions: string[];
+	private _ignoredAutoUpdateExtensions: string[] | undefined;
 	private get ignoredAutoUpdateExtensions(): string[] {
 		if (!this._ignoredAutoUpdateExtensions) {
 			this._ignoredAutoUpdateExtensions = JSON.parse(this.storageService.get('extensions.ignoredAutoUpdateExtension', StorageScope.GLOBAL, '[]') || '[]');
 		}
-		return this._ignoredAutoUpdateExtensions;
+		return this._ignoredAutoUpdateExtensions!;
 	}

 	private set ignoredAutoUpdateExtensions(extensionIds: string[]) {
--- a/src/vs/workbench/contrib/extensions/browser/media/extensions.css
+++ b/src/vs/workbench/contrib/extensions/browser/media/extensions.css
@@ -6,8 +6,3 @@
 .monaco-workbench .activitybar > .content .monaco-action-bar .action-label.extensions {
 	-webkit-mask: url('extensions-activity-bar.svg') no-repeat 50% 50%;
 }
-
-.extensions .split-view-view .panel-header .count-badge-wrapper {
-	position: absolute;
-	right: 12px;
-}
--- a/src/vs/workbench/contrib/extensions/browser/media/extensionsViewlet.css
+++ b/src/vs/workbench/contrib/extensions/browser/media/extensionsViewlet.css
@@ -27,13 +27,16 @@
 	height: calc(100% - 38px);
 }

-.extensions-viewlet > .extensions .list-actionbar-container .monaco-action-bar .action-item > .octicon {
-	font-size: 12px;
-	line-height: 1;
-	margin-right: 10px;
+.extensions-viewlet > .extensions .extension-view-header .monaco-action-bar {
+	margin-right: 4px;
 }

-.extensions-viewlet > .extensions .list-actionbar-container .monaco-action-bar .action-item.disabled  {
+.extensions-viewlet > .extensions .extension-view-header .monaco-action-bar .action-item > .action-label.icon.octicon {
+	vertical-align: middle;
+	line-height: 22px;
+}
+
+.extensions-viewlet > .extensions .extension-view-header .monaco-action-bar .action-item.disabled  {
 	display: none;
 }

@@ -44,7 +47,7 @@
 }

 .extensions-viewlet > .extensions .panel-header {
-	padding-right: 28px;
+	padding-right: 6px;
 }

 .extensions-viewlet > .extensions .panel-header > .title {
--- a/src/vs/workbench/contrib/extensions/browser/remoteExtensionsInstaller.ts
+++ b/src/vs/workbench/contrib/extensions/browser/remoteExtensionsInstaller.ts
@@ -22,7 +22,7 @@ export class RemoteExtensionsInstaller extends Disposable implements IWorkbenchC
 	) {
 		super();
 		if (this.extensionManagementServerService.localExtensionManagementServer && this.extensionManagementServerService.remoteExtensionManagementServer) {
-			const installLocalExtensionsInRemoteAction = instantiationService.createInstance(InstallLocalExtensionsInRemoteAction);
+			const installLocalExtensionsInRemoteAction = instantiationService.createInstance(InstallLocalExtensionsInRemoteAction, true);
 			CommandsRegistry.registerCommand('workbench.extensions.installLocalExtensions', () => installLocalExtensionsInRemoteAction.run());
 			let disposable = Disposable.None;
 			const appendMenuItem = () => {
--- a/src/vs/workbench/contrib/files/browser/fileActions.ts
+++ b/src/vs/workbench/contrib/files/browser/fileActions.ts
@@ -44,7 +44,7 @@ import { CLOSE_EDITORS_AND_GROUP_COMMAND_ID } from 'vs/workbench/browser/parts/e
 import { coalesce } from 'vs/base/common/arrays';
 import { AsyncDataTree } from 'vs/base/browser/ui/tree/asyncDataTree';
 import { ExplorerItem, NewExplorerItem } from 'vs/workbench/contrib/files/common/explorerModel';
-import { onUnexpectedError } from 'vs/base/common/errors';
+import { onUnexpectedError, getErrorMessage } from 'vs/base/common/errors';

 // {{SQL CARBON EDIT}}
 import { IConnectionManagementService } from 'sql/platform/connection/common/connectionManagement';
@@ -1140,7 +1140,7 @@ export const pasteFileHandler = async (accessor: ServicesAccessor) => {
 					return await fileService.copy(fileToPaste, targetFile);
 				}
 			} catch (e) {
-				onError(notificationService, new Error(nls.localize('fileDeleted', "File to paste was deleted or moved meanwhile")));
+				onError(notificationService, new Error(nls.localize('fileDeleted', "File to paste was deleted or moved meanwhile. {0}", getErrorMessage(e))));
 				return undefined;
 			}
 		}));
--- a/src/vs/workbench/contrib/output/browser/outputServices.ts
+++ b/src/vs/workbench/contrib/output/browser/outputServices.ts
@@ -14,14 +14,11 @@ import { EditorOptions } from 'vs/workbench/common/editor';
 import { IOutputChannelDescriptor, IOutputChannel, IOutputService, Extensions, OUTPUT_PANEL_ID, IOutputChannelRegistry, OUTPUT_SCHEME, LOG_SCHEME, CONTEXT_ACTIVE_LOG_OUTPUT, LOG_MIME, OUTPUT_MIME } from 'vs/workbench/contrib/output/common/output';
 import { OutputPanel } from 'vs/workbench/contrib/output/browser/outputPanel';
 import { IPanelService } from 'vs/workbench/services/panel/common/panelService';
-import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace';
 import { OutputLinkProvider } from 'vs/workbench/contrib/output/common/outputLinkProvider';
 import { ITextModelService, ITextModelContentProvider } from 'vs/editor/common/services/resolverService';
 import { ITextModel } from 'vs/editor/common/model';
 import { IPanel } from 'vs/workbench/common/panel';
 import { ResourceEditorInput } from 'vs/workbench/common/editor/resourceEditorInput';
-import { IEnvironmentService } from 'vs/platform/environment/common/environment';
-import { IWindowService } from 'vs/platform/windows/common/windows';
 import { ILogService } from 'vs/platform/log/common/log';
 import { ILifecycleService } from 'vs/platform/lifecycle/common/lifecycle';
 import { IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
@@ -77,10 +74,7 @@ export class OutputService extends Disposable implements IOutputService, ITextMo
 		@IStorageService private readonly storageService: IStorageService,
 		@IInstantiationService private readonly instantiationService: IInstantiationService,
 		@IPanelService private readonly panelService: IPanelService,
-		@IWorkspaceContextService contextService: IWorkspaceContextService,
 		@ITextModelService textModelResolverService: ITextModelService,
-		@IEnvironmentService environmentService: IEnvironmentService,
-		@IWindowService windowService: IWindowService,
 		@ILogService private readonly logService: ILogService,
 		@ILifecycleService private readonly lifecycleService: ILifecycleService,
 		@IContextKeyService private readonly contextKeyService: IContextKeyService,
--- a/src/vs/workbench/contrib/preferences/browser/settingsEditor2.ts
+++ b/src/vs/workbench/contrib/preferences/browser/settingsEditor2.ts
@@ -854,7 +854,7 @@ export class SettingsEditor2 extends BaseEditor {

 					this._register(model.onDidChangeGroups(() => this.onConfigUpdate()));
 					this.defaultSettingsEditorModel = model;
-					return this.onConfigUpdate();
+					return this.onConfigUpdate(undefined, true);
 				});
 		}
 		return Promise.resolve(null);
--- a/src/vs/workbench/contrib/remote/common/remote.contribution.ts
+++ b/src/vs/workbench/contrib/remote/common/remote.contribution.ts
@@ -36,7 +36,8 @@ export class LabelContribution implements IWorkbenchContribution {
 						formatting: {
 							label: '${path}',
 							separator: remoteEnvironment.os === OperatingSystem.Windows ? '\\' : '/',
-							tildify: remoteEnvironment.os !== OperatingSystem.Windows
+							tildify: remoteEnvironment.os !== OperatingSystem.Windows,
+							normalizeDriveLetter: remoteEnvironment.os === OperatingSystem.Windows
 						}
 					});
 				}
--- a/src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts
+++ b/src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts
@@ -179,10 +179,10 @@ export abstract class AbstractTaskService extends Disposable implements ITaskSer

 	private static nextHandle: number = 0;

-	private _schemaVersion: JsonSchemaVersion;
-	private _executionEngine: ExecutionEngine;
-	private _workspaceFolders: IWorkspaceFolder[];
-	private _ignoredWorkspaceFolders: IWorkspaceFolder[];
+	private _schemaVersion: JsonSchemaVersion | undefined;
+	private _executionEngine: ExecutionEngine | undefined;
+	private _workspaceFolders: IWorkspaceFolder[] | undefined;
+	private _ignoredWorkspaceFolders: IWorkspaceFolder[] | undefined;
 	private _showIgnoreMessage?: boolean;
 	private _providers: Map<number, ITaskProvider>;
 	private _providerTypes: Map<number, string>;
@@ -192,7 +192,7 @@ export abstract class AbstractTaskService extends Disposable implements ITaskSer

 	protected _taskSystem?: ITaskSystem;
 	protected _taskSystemListener?: IDisposable;
-	private _recentlyUsedTasks: LinkedMap<string, string>;
+	private _recentlyUsedTasks: LinkedMap<string, string> | undefined;

 	protected _taskRunningState: IContextKey<boolean>;

@@ -375,28 +375,28 @@ export abstract class AbstractTaskService extends Disposable implements ITaskSer
 		if (!this._workspaceFolders) {
 			this.updateSetup();
 		}
-		return this._workspaceFolders;
+		return this._workspaceFolders!;
 	}

 	private get ignoredWorkspaceFolders(): IWorkspaceFolder[] {
 		if (!this._ignoredWorkspaceFolders) {
 			this.updateSetup();
 		}
-		return this._ignoredWorkspaceFolders;
+		return this._ignoredWorkspaceFolders!;
 	}

 	protected get executionEngine(): ExecutionEngine {
 		if (this._executionEngine === undefined) {
 			this.updateSetup();
 		}
-		return this._executionEngine;
+		return this._executionEngine!;
 	}

 	private get schemaVersion(): JsonSchemaVersion {
 		if (this._schemaVersion === undefined) {
 			this.updateSetup();
 		}
-		return this._schemaVersion;
+		return this._schemaVersion!;
 	}

 	private get showIgnoreMessage(): boolean {
--- a/src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts
+++ b/src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts
@@ -155,9 +155,10 @@ export class TerminalTaskSystem implements ITaskSystem {
 	private idleTaskTerminals: LinkedMap<string, string>;
 	private sameTaskTerminals: IStringDictionary<string>;
 	private taskSystemInfoResolver: TaskSystemInfoResolver;
-	private lastTask: VerifiedTask;
-	private currentTask: VerifiedTask;
-	private isRerun: boolean;
+	private lastTask: VerifiedTask | undefined;
+	// Should always be set in run
+	private currentTask!: VerifiedTask;
+	private isRerun: boolean = false;

 	private readonly _onDidStateChange: Emitter<TaskEvent>;

@@ -485,28 +486,32 @@ export class TerminalTaskSystem implements ITaskSystem {
 	}

 	private reexecuteCommand(task: CustomTask | ContributedTask, trigger: string): Promise<ITaskSummary> {
-		const workspaceFolder = this.currentTask.workspaceFolder = this.lastTask.workspaceFolder;
+		const lastTask = this.lastTask;
+		if (!lastTask) {
+			return Promise.reject(new Error('No task previously run'));
+		}
+		const workspaceFolder = this.currentTask.workspaceFolder = lastTask.workspaceFolder;
 		let variables = new Set<string>();
 		this.collectTaskVariables(variables, task);

 		// Check that the task hasn't changed to include new variables
 		let hasAllVariables = true;
 		variables.forEach(value => {
-			if (value.substring(2, value.length - 1) in this.lastTask.getVerifiedTask().resolvedVariables) {
+			if (value.substring(2, value.length - 1) in lastTask.getVerifiedTask().resolvedVariables) {
 				hasAllVariables = false;
 			}
 		});

 		if (!hasAllVariables) {
-			return this.resolveVariablesFromSet(this.lastTask.getVerifiedTask().systemInfo, this.lastTask.getVerifiedTask().workspaceFolder, task, variables).then((resolvedVariables) => {
+			return this.resolveVariablesFromSet(lastTask.getVerifiedTask().systemInfo, lastTask.getVerifiedTask().workspaceFolder, task, variables).then((resolvedVariables) => {
 				this.currentTask.resolvedVariables = resolvedVariables;
-				return this.executeInTerminal(task, trigger, new VariableResolver(this.lastTask.getVerifiedTask().workspaceFolder, this.lastTask.getVerifiedTask().systemInfo, resolvedVariables.variables, this.configurationResolverService), workspaceFolder!);
+				return this.executeInTerminal(task, trigger, new VariableResolver(lastTask.getVerifiedTask().workspaceFolder, lastTask.getVerifiedTask().systemInfo, resolvedVariables.variables, this.configurationResolverService), workspaceFolder!);
 			}, reason => {
 				return Promise.reject(reason);
 			});
 		} else {
-			this.currentTask.resolvedVariables = this.lastTask.getVerifiedTask().resolvedVariables;
-			return this.executeInTerminal(task, trigger, new VariableResolver(this.lastTask.getVerifiedTask().workspaceFolder, this.lastTask.getVerifiedTask().systemInfo, this.lastTask.getVerifiedTask().resolvedVariables.variables, this.configurationResolverService), workspaceFolder!);
+			this.currentTask.resolvedVariables = lastTask.getVerifiedTask().resolvedVariables;
+			return this.executeInTerminal(task, trigger, new VariableResolver(lastTask.getVerifiedTask().workspaceFolder, lastTask.getVerifiedTask().systemInfo, lastTask.getVerifiedTask().resolvedVariables.variables, this.configurationResolverService), workspaceFolder!);
 		}
 	}

@@ -923,7 +928,7 @@ export class TerminalTaskSystem implements ITaskSystem {
 			args = resolvedResult.args;
 			commandExecutable = CommandString.value(command);

-			this.currentTask.shellLaunchConfig = launchConfigs = this.isRerun ? this.lastTask.getVerifiedTask().shellLaunchConfig : await this.createShellLaunchConfig(task, workspaceFolder, resolver, platform, options, command, args, waitOnExit);
+			this.currentTask.shellLaunchConfig = launchConfigs = (this.isRerun && this.lastTask) ? this.lastTask.getVerifiedTask().shellLaunchConfig : await this.createShellLaunchConfig(task, workspaceFolder, resolver, platform, options, command, args, waitOnExit);
 			if (launchConfigs === undefined) {
 				return [undefined, undefined, new TaskError(Severity.Error, nls.localize('TerminalTaskSystem', 'Can\'t execute a shell command on an UNC drive using cmd.exe.'), TaskErrors.UnknownError)];
 			}
--- a/src/vs/workbench/contrib/tasks/common/problemCollectors.ts
+++ b/src/vs/workbench/contrib/tasks/common/problemCollectors.ts
@@ -44,10 +44,10 @@ export abstract class AbstractProblemCollector implements IDisposable {
 	private bufferLength: number;
 	private openModels: IStringDictionary<boolean>;
 	private readonly modelListeners = new DisposableStore();
-	private tail: Promise<void>;
+	private tail: Promise<void> | undefined;

 	// [owner] -> ApplyToKind
-	private applyToByOwner: Map<string, ApplyToKind>;
+	protected applyToByOwner: Map<string, ApplyToKind>;
 	// [owner] -> [resource] -> URI
 	private resourcesToClean: Map<string, Map<string, URI>>;
 	// [owner] -> [resource] -> [markerkey] -> markerData
@@ -278,9 +278,14 @@ export abstract class AbstractProblemCollector implements IDisposable {
 			markersPerResource = new Map<string, IMarkerData>();
 			markersPerOwner.set(resourceAsString, markersPerResource);
 		}
-		let key = IMarkerData.makeKey(marker);
+		let key = IMarkerData.makeKeyOptionalMessage(marker, false);
+		let existingMarker;
 		if (!markersPerResource.has(key)) {
 			markersPerResource.set(key, marker);
+		} else if (((existingMarker = markersPerResource.get(key)) !== undefined) && existingMarker.message.length < marker.message.length) {
+			// Most likely https://github.com/microsoft/vscode/issues/77475
+			// Heuristic dictates that when the key is the same and message is smaller, we have hit this limitation.
+			markersPerResource.set(key, marker);
 		}
 	}

@@ -344,8 +349,8 @@ export const enum ProblemHandlingStrategy {
 export class StartStopProblemCollector extends AbstractProblemCollector implements IProblemMatcher {
 	private owners: string[];

-	private currentOwner: string;
-	private currentResource: string;
+	private currentOwner: string | undefined;
+	private currentResource: string | undefined;

 	constructor(problemMatchers: ProblemMatcher[], markerService: IMarkerService, modelService: IModelService, _strategy: ProblemHandlingStrategy = ProblemHandlingStrategy.Clean, fileService?: IFileService) {
 		super(problemMatchers, markerService, modelService, fileService);
@@ -397,8 +402,8 @@ export class WatchingProblemCollector extends AbstractProblemCollector implement
 	private _activeBackgroundMatchers: Set<string>;

 	// Current State
-	private currentOwner: string | null;
-	private currentResource: string | null;
+	private currentOwner: string | undefined;
+	private currentResource: string | undefined;

 	constructor(problemMatchers: ProblemMatcher[], markerService: IMarkerService, modelService: IModelService, fileService?: IFileService) {
 		super(problemMatchers, markerService, modelService, fileService);
@@ -503,8 +508,8 @@ export class WatchingProblemCollector extends AbstractProblemCollector implement

 	private resetCurrentResource(): void {
 		this.reportMarkersForCurrentResource();
-		this.currentOwner = null;
-		this.currentResource = null;
+		this.currentOwner = undefined;
+		this.currentResource = undefined;
 	}

 	private reportMarkersForCurrentResource(): void {
@@ -512,4 +517,11 @@ export class WatchingProblemCollector extends AbstractProblemCollector implement
 			this.deliverMarkersPerOwnerAndResource(this.currentOwner, this.currentResource);
 		}
 	}
-}
+
+	public done(): void {
+		[...this.applyToByOwner.keys()].forEach(owner => {
+			this.recordResourcesToClean(owner);
+		});
+		super.done();
+	}
+}
--- a/src/vs/workbench/contrib/tasks/common/problemMatcher.ts
+++ b/src/vs/workbench/contrib/tasks/common/problemMatcher.ts
@@ -264,7 +264,7 @@ abstract class AbstractLineMatcher implements ILineMatcher {

 	public abstract get matchLength(): number;

-	protected fillProblemData(data: ProblemData | null, pattern: ProblemPattern, matches: RegExpExecArray): data is ProblemData {
+	protected fillProblemData(data: ProblemData | undefined, pattern: ProblemPattern, matches: RegExpExecArray): data is ProblemData {
 		if (data) {
 			this.fillProperty(data, 'file', pattern, matches, true);
 			this.appendProperty(data, 'message', pattern, matches, true);
@@ -449,7 +449,7 @@ class SingleLineMatcher extends AbstractLineMatcher {
 class MultiLineMatcher extends AbstractLineMatcher {

 	private patterns: ProblemPattern[];
-	private data: ProblemData | null;
+	private data: ProblemData | undefined;

 	constructor(matcher: ProblemMatcher, fileService?: IFileService) {
 		super(matcher, fileService);
@@ -480,7 +480,7 @@ class MultiLineMatcher extends AbstractLineMatcher {
 		}
 		let loop = !!this.patterns[this.patterns.length - 1].loop;
 		if (!loop) {
-			this.data = null;
+			this.data = undefined;
 		}
 		const markerMatch = data ? this.getMarkerMatch(data) : null;
 		return { match: markerMatch ? markerMatch : null, continue: loop };
@@ -491,7 +491,7 @@ class MultiLineMatcher extends AbstractLineMatcher {
 		Assert.ok(pattern.loop === true && this.data !== null);
 		let matches = pattern.regexp.exec(line);
 		if (!matches) {
-			this.data = null;
+			this.data = undefined;
 			return null;
 		}
 		let data = Objects.deepClone(this.data);
@@ -794,7 +794,7 @@ export namespace Config {
 		fileLocation?: string | string[];

 		/**
-		* The name of a predefined problem pattern, the inline definintion
+		* The name of a predefined problem pattern, the inline definition
 		* of a problem pattern or an array of problem patterns to match
 		* problems spread over multiple lines.
 		*/
--- a/src/vs/workbench/contrib/tasks/common/taskConfiguration.ts
+++ b/src/vs/workbench/contrib/tasks/common/taskConfiguration.ts
@@ -681,7 +681,7 @@ export namespace RunOptions {
 	}
 }

-class ParseContext {
+interface ParseContext {
 	workspaceFolder: IWorkspaceFolder;
 	problemReporter: IProblemReporter;
 	namedProblemMatchers: IStringDictionary<NamedProblemMatcher>;
--- a/src/vs/workbench/contrib/tasks/common/taskDefinitionRegistry.ts
+++ b/src/vs/workbench/contrib/tasks/common/taskDefinitionRegistry.ts
@@ -89,7 +89,7 @@ class TaskDefinitionRegistryImpl implements ITaskDefinitionRegistry {

 	private taskTypes: IStringDictionary<Tasks.TaskDefinition>;
 	private readyPromise: Promise<void>;
-	private _schema: IJSONSchema;
+	private _schema: IJSONSchema | undefined;

 	constructor() {
 		this.taskTypes = Object.create(null);
--- a/src/vs/workbench/contrib/tasks/common/tasks.ts
+++ b/src/vs/workbench/contrib/tasks/common/tasks.ts
@@ -518,7 +518,7 @@ export abstract class CommonTask {
 	/**
 	 * The cached label.
 	 */
-	_label: string;
+	_label: string = '';

 	type?: string;

@@ -614,7 +614,7 @@ export abstract class CommonTask {

 export class CustomTask extends CommonTask {

-	type: '$customized'; // CUSTOMIZED_TASK_TYPE
+	type!: '$customized'; // CUSTOMIZED_TASK_TYPE

 	/**
 	 * Indicated the source of the task (e.g. tasks.json or extension)
@@ -626,7 +626,7 @@ export class CustomTask extends CommonTask {
 	/**
 	 * The command configuration
 	 */
-	command: CommandConfiguration;
+	command: CommandConfiguration = {};

 	public constructor(id: string, source: WorkspaceTaskSource, label: string, type: string, command: CommandConfiguration | undefined,
 		hasDefinedMatchers: boolean, runOptions: RunOptions, configurationProperties: ConfigurationProperties) {
@@ -754,8 +754,9 @@ export class ContributedTask extends CommonTask {

 	/**
 	 * Indicated the source of the task (e.g. tasks.json or extension)
+	 * Set in the super constructor
 	 */
-	_source: ExtensionTaskSource;
+	_source!: ExtensionTaskSource;

 	defines: KeyedTaskIdentifier;

@@ -824,7 +825,7 @@ export class InMemoryTask extends CommonTask {
 	 */
 	_source: InMemoryTaskSource;

-	type: 'inMemory';
+	type!: 'inMemory';

 	public constructor(id: string, source: InMemoryTaskSource, label: string, type: string,
 		runOptions: RunOptions, configurationProperties: ConfigurationProperties) {
--- a/src/vs/workbench/contrib/watermark/browser/watermark.ts
+++ b/src/vs/workbench/contrib/watermark/browser/watermark.ts
@@ -4,7 +4,7 @@
 *--------------------------------------------------------------------------------------------*/

 import 'vs/css!./watermark';
-import { Disposable } from 'vs/base/common/lifecycle';
+import { Disposable, DisposableStore } from 'vs/base/common/lifecycle';
 import { assign } from 'vs/base/common/objects';
 import { isMacintosh, OS } from 'vs/base/common/platform';
 import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
@@ -42,65 +42,21 @@ interface WatermarkEntry {
 }

 // {{SQL CARBON EDIT}}
-const showServers: WatermarkEntry = {
-	text: nls.localize('watermark.showServers', "Show Servers"),
-	id: OpenDataExplorerViewletAction.ID
-};
+const showServers: WatermarkEntry = { text: nls.localize('watermark.showServers', "Show Servers"), id: OpenDataExplorerViewletAction.ID };
+const newSqlFile: WatermarkEntry = { text: nls.localize('watermark.newSqlFile', "New SQL File"), id: GlobalNewUntitledFileAction.ID };
+const newNotebook: WatermarkEntry = { text: nls.localize('watermark.newNotebook', "New Notebook"), id: NewNotebookAction.ID };

-const newSqlFile: WatermarkEntry = {
-	text: nls.localize('watermark.newSqlFile', "New SQL File"),
-	id: GlobalNewUntitledFileAction.ID
-};
-const newNotebook: WatermarkEntry = {
-	text: nls.localize('watermark.newNotebook', "New Notebook"),
-	id: NewNotebookAction.ID
-};
-
-const showCommands: WatermarkEntry = {
-	text: nls.localize('watermark.showCommands', "Show All Commands"),
-	id: ShowAllCommandsAction.ID
-};
-const quickOpen: WatermarkEntry = {
-	text: nls.localize('watermark.quickOpen', "Go to File"),
-	id: QUICKOPEN_ACTION_ID
-};
-const openFileNonMacOnly: WatermarkEntry = {
-	text: nls.localize('watermark.openFile', "Open File"),
-	id: OpenFileAction.ID,
-	mac: false
-};
-const openFolderNonMacOnly: WatermarkEntry = {
-	text: nls.localize('watermark.openFolder', "Open Folder"),
-	id: OpenFolderAction.ID,
-	mac: false
-};
-const openFileOrFolderMacOnly: WatermarkEntry = {
-	text: nls.localize('watermark.openFileFolder', "Open File or Folder"),
-	id: OpenFileFolderAction.ID,
-	mac: true
-};
-const openRecent: WatermarkEntry = {
-	text: nls.localize('watermark.openRecent', "Open Recent"),
-	id: 'workbench.action.openRecent'
-};
-const newUntitledFile: WatermarkEntry = {
-	text: nls.localize('watermark.newUntitledFile', "New Untitled File"),
-	id: GlobalNewUntitledFileAction.ID
-};
+const showCommands: WatermarkEntry = { text: nls.localize('watermark.showCommands', "Show All Commands"), id: ShowAllCommandsAction.ID };
+const quickOpen: WatermarkEntry = { text: nls.localize('watermark.quickOpen', "Go to File"), id: QUICKOPEN_ACTION_ID };
+const openFileNonMacOnly: WatermarkEntry = { text: nls.localize('watermark.openFile', "Open File"), id: OpenFileAction.ID, mac: false };
+const openFolderNonMacOnly: WatermarkEntry = { text: nls.localize('watermark.openFolder', "Open Folder"), id: OpenFolderAction.ID, mac: false };
+const openFileOrFolderMacOnly: WatermarkEntry = { text: nls.localize('watermark.openFileFolder', "Open File or Folder"), id: OpenFileFolderAction.ID, mac: true };
+const openRecent: WatermarkEntry = { text: nls.localize('watermark.openRecent', "Open Recent"), id: 'workbench.action.openRecent' };
+const newUntitledFile: WatermarkEntry = { text: nls.localize('watermark.newUntitledFile', "New Untitled File"), id: GlobalNewUntitledFileAction.ID };
 const newUntitledFileMacOnly: WatermarkEntry = assign({ mac: true }, newUntitledFile);
-const toggleTerminal: WatermarkEntry = {
-	text: nls.localize({ key: 'watermark.toggleTerminal', comment: ['toggle is a verb here'] }, "Toggle Terminal"),
-	id: TERMINAL_COMMAND_ID.TOGGLE
-};
-
-const findInFiles: WatermarkEntry = {
-	text: nls.localize('watermark.findInFiles', "Find in Files"),
-	id: FindInFilesActionId
-};
-const startDebugging: WatermarkEntry = {
-	text: nls.localize('watermark.startDebugging', "Start Debugging"),
-	id: StartAction.ID
-};
+const toggleTerminal: WatermarkEntry = { text: nls.localize({ key: 'watermark.toggleTerminal', comment: ['toggle is a verb here'] }, "Toggle Terminal"), id: TERMINAL_COMMAND_ID.TOGGLE };
+const findInFiles: WatermarkEntry = { text: nls.localize('watermark.findInFiles', "Find in Files"), id: FindInFilesActionId };
+const startDebugging: WatermarkEntry = { text: nls.localize('watermark.startDebugging', "Start Debugging"), id: StartAction.ID };

 // {{SQL CARBON EDIT}} - Replace noFolderEntries and folderEntries
 const noFolderEntries = [
@@ -121,13 +77,13 @@ const folderEntries = [
 const WORKBENCH_TIPS_ENABLED_KEY = 'workbench.tips.enabled';

 export class WatermarkContribution extends Disposable implements IWorkbenchContribution {
-
 	private watermark: HTMLElement;
+	private watermarkDisposable = this._register(new DisposableStore());
 	private enabled: boolean;
 	private workbenchState: WorkbenchState;

 	constructor(
-		@ILifecycleService lifecycleService: ILifecycleService,
+		@ILifecycleService private readonly lifecycleService: ILifecycleService,
 		@IWorkbenchLayoutService private readonly layoutService: IWorkbenchLayoutService,
 		@IKeybindingService private readonly keybindingService: IKeybindingService,
 		@IWorkspaceContextService private readonly contextService: IWorkspaceContextService,
@@ -135,13 +91,20 @@ export class WatermarkContribution extends Disposable implements IWorkbenchContr
 		@IEditorGroupsService private readonly editorGroupsService: IEditorGroupsService
 	) {
 		super();
-		this.workbenchState = contextService.getWorkbenchState();

-		lifecycleService.onShutdown(this.dispose, this);
+		this.workbenchState = contextService.getWorkbenchState();
 		this.enabled = this.configurationService.getValue<boolean>(WORKBENCH_TIPS_ENABLED_KEY);
+
+		this.registerListeners();
+
 		if (this.enabled) {
 			this.create();
 		}
+	}
+
+	private registerListeners(): void {
+		this.lifecycleService.onShutdown(this.dispose, this);
+
 		this._register(this.configurationService.onDidChangeConfiguration(e => {
 			if (e.affectsConfiguration(WORKBENCH_TIPS_ENABLED_KEY)) {
 				const enabled = this.configurationService.getValue<boolean>(WORKBENCH_TIPS_ENABLED_KEY);
@@ -155,6 +118,7 @@ export class WatermarkContribution extends Disposable implements IWorkbenchContr
 				}
 			}
 		}));
+
 		this._register(this.contextService.onDidChangeWorkbenchState(e => {
 			const previousWorkbenchState = this.workbenchState;
 			this.workbenchState = this.contextService.getWorkbenchState();
@@ -175,6 +139,7 @@ export class WatermarkContribution extends Disposable implements IWorkbenchContr
 		const selected = folder ? folderEntries : noFolderEntries
 			.filter(entry => !('mac' in entry) || entry.mac === isMacintosh)
 			.filter(entry => !!CommandsRegistry.getCommand(entry.id));
+
 		const update = () => {
 			dom.clearNode(box);
 			selected.map(entry => {
@@ -187,10 +152,14 @@ export class WatermarkContribution extends Disposable implements IWorkbenchContr
 				dd.innerHTML = keybinding.element.outerHTML;
 			});
 		};
+
 		update();
+
 		dom.prepend(container.firstElementChild as HTMLElement, this.watermark);
-		this._register(this.keybindingService.onDidUpdateKeybindings(update));
-		this._register(this.editorGroupsService.onDidLayout(dimension => this.handleEditorPartSize(container, dimension)));
+
+		this.watermarkDisposable.add(this.keybindingService.onDidUpdateKeybindings(update));
+		this.watermarkDisposable.add(this.editorGroupsService.onDidLayout(dimension => this.handleEditorPartSize(container, dimension)));
+
 		this.handleEditorPartSize(container, this.editorGroupsService.contentDimension);
 	}

@@ -205,9 +174,11 @@ export class WatermarkContribution extends Disposable implements IWorkbenchContr
 	private destroy(): void {
 		if (this.watermark) {
 			this.watermark.remove();
+
 			const container = this.layoutService.getContainer(Parts.EDITOR_PART);
 			container.classList.remove('has-watermark');
-			this.dispose();
+
+			this.watermarkDisposable.clear();
 		}
 	}

--- a/src/vs/workbench/contrib/webview/common/portMapping.ts
+++ b/src/vs/workbench/contrib/webview/common/portMapping.ts
@@ -47,16 +47,16 @@ export class WebviewPortMappingManager extends Disposable {
 				if (this.extensionLocation && this.extensionLocation.scheme === REMOTE_HOST_SCHEME) {
 					const tunnel = await this.getOrCreateTunnel(mapping.extensionHostPort);
 					if (tunnel) {
-						return uri.with({
+						return encodeURI(uri.with({
 							authority: `127.0.0.1:${tunnel.tunnelLocalPort}`,
-						}).toString();
+						}).toString(true));
 					}
 				}

 				if (mapping.webviewPort !== mapping.extensionHostPort) {
-					return uri.with({
+					return encodeURI(uri.with({
 						authority: `${requestLocalHostInfo.address}:${mapping.extensionHostPort}`
-					}).toString();
+					}).toString(true));
 				}
 			}
 		}
@@ -84,4 +84,4 @@ export class WebviewPortMappingManager extends Disposable {
 		}
 		return tunnel;
 	}
-}
+}
--- a/src/vs/workbench/electron-browser/desktop.contribution.ts
+++ b/src/vs/workbench/electron-browser/desktop.contribution.ts
--- a/src/vs/workbench/electron-browser/desktop.main.ts
+++ b/src/vs/workbench/electron-browser/desktop.main.ts
--- a/src/vs/workbench/services/extensions/browser/extensionService.ts
+++ b/src/vs/workbench/services/extensions/browser/extensionService.ts
@@ -18,6 +18,8 @@ import { ExtensionHostProcessManager } from 'vs/workbench/services/extensions/co
 import { RemoteExtensionHostClient, IInitDataProvider } from 'vs/workbench/services/extensions/common/remoteExtensionHostClient';
 import { IRemoteAgentEnvironment } from 'vs/platform/remote/common/remoteAgentEnvironment';
 import { INotificationService, Severity } from 'vs/platform/notification/common/notification';
+import { WebWorkerExtensionHostStarter } from 'vs/workbench/services/extensions/browser/webWorkerExtensionHostStarter';
+import { URI } from 'vs/base/common/uri';

 export class ExtensionService extends AbstractExtensionService implements IExtensionService {

@@ -62,6 +64,11 @@ export class ExtensionService extends AbstractExtensionService implements IExten
 		const result: ExtensionHostProcessManager[] = [];

 		const remoteAgentConnection = this._remoteAgentService.getConnection()!;
+
+		const webHostProcessWorker = this._instantiationService.createInstance(WebWorkerExtensionHostStarter, true, Promise.resolve([]), URI.parse('empty:value')); //todo@joh
+		const webHostProcessManager = this._instantiationService.createInstance(ExtensionHostProcessManager, false, webHostProcessWorker, remoteAgentConnection.remoteAuthority, initialActivationEvents);
+		result.push(webHostProcessManager);
+
 		const remoteExtHostProcessWorker = this._instantiationService.createInstance(RemoteExtensionHostClient, this.getExtensions(), this._createProvider(remoteAgentConnection.remoteAuthority), this._remoteAgentService.socketFactory);
 		const remoteExtHostProcessManager = this._instantiationService.createInstance(ExtensionHostProcessManager, false, remoteExtHostProcessWorker, remoteAgentConnection.remoteAuthority, initialActivationEvents);
 		result.push(remoteExtHostProcessManager);
--- a/src/vs/workbench/services/extensions/browser/webWorkerExtensionHostStarter.ts
+++ b/src/vs/workbench/services/extensions/browser/webWorkerExtensionHostStarter.ts
@@ -0,0 +1,150 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { DefaultWorkerFactory } from 'vs/base/worker/defaultWorkerFactory';
+import { Emitter, Event } from 'vs/base/common/event';
+import { DisposableStore } from 'vs/base/common/lifecycle';
+import { IMessagePassingProtocol } from 'vs/base/parts/ipc/common/ipc';
+import { VSBuffer } from 'vs/base/common/buffer';
+import { createMessageOfType, MessageType, isMessageOfType } from 'vs/workbench/services/extensions/common/extensionHostProtocol';
+import { IInitData } from 'vs/workbench/api/common/extHost.protocol';
+import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
+import { IWorkspaceContextService, WorkbenchState } from 'vs/platform/workspace/common/workspace';
+import { ILabelService } from 'vs/platform/label/common/label';
+import { ILogService } from 'vs/platform/log/common/log';
+import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
+import * as platform from 'vs/base/common/platform';
+import { URI } from 'vs/base/common/uri';
+import { IExtensionHostStarter } from 'vs/workbench/services/extensions/common/extensions';
+import { IProductService } from 'vs/platform/product/common/product';
+import { IWorkbenchEnvironmentService } from 'vs/workbench/services/environment/common/environmentService';
+
+export class WebWorkerExtensionHostStarter implements IExtensionHostStarter {
+
+	private _toDispose = new DisposableStore();
+	private _isTerminating: boolean = false;
+	private _protocol?: IMessagePassingProtocol;
+
+	private readonly _onDidExit = new Emitter<[number, string | null]>();
+	readonly onExit: Event<[number, string | null]> = this._onDidExit.event;
+
+	constructor(
+		private readonly _autoStart: boolean,
+		private readonly _extensions: Promise<IExtensionDescription[]>,
+		private readonly _extensionHostLogsLocation: URI,
+		@ITelemetryService private readonly _telemetryService: ITelemetryService,
+		@IWorkspaceContextService private readonly _contextService: IWorkspaceContextService,
+		@ILabelService private readonly _labelService: ILabelService,
+		@ILogService private readonly _logService: ILogService,
+		@IWorkbenchEnvironmentService private readonly _environmentService: IWorkbenchEnvironmentService,
+		@IProductService private readonly _productService: IProductService,
+	) {
+
+	}
+
+	async start(): Promise<IMessagePassingProtocol> {
+
+		if (!this._protocol) {
+
+			const emitter = new Emitter<VSBuffer>();
+			const worker = new DefaultWorkerFactory('WorkerExtensionHost').create(
+				'vs/workbench/services/extensions/worker/extensionHostWorker', data => {
+					if (data instanceof ArrayBuffer) {
+						emitter.fire(VSBuffer.wrap(new Uint8Array(data, 0, data.byteLength)));
+					} else {
+						console.warn('UNKNOWN data received', data);
+						this._onDidExit.fire([77, 'UNKNOWN data received']);
+					}
+				}, err => {
+					this._onDidExit.fire([81, err]);
+					console.error(err);
+				}
+			);
+
+			// keep for cleanup
+			this._toDispose.add(emitter);
+			this._toDispose.add(worker);
+
+			const protocol: IMessagePassingProtocol = {
+				onMessage: emitter.event,
+				send: vsbuf => {
+					const data = vsbuf.buffer.buffer.slice(vsbuf.buffer.byteOffset, vsbuf.buffer.byteOffset + vsbuf.buffer.byteLength);
+					worker.postMessage(data, [data]);
+				}
+			};
+
+			// extension host handshake happens below
+			// (1) <== wait for: Ready
+			// (2) ==> send: init data
+			// (3) <== wait for: Initialized
+
+			await Event.toPromise(Event.filter(protocol.onMessage, msg => isMessageOfType(msg, MessageType.Ready)));
+			protocol.send(VSBuffer.fromString(JSON.stringify(await this._createExtHostInitData())));
+			await Event.toPromise(Event.filter(protocol.onMessage, msg => isMessageOfType(msg, MessageType.Initialized)));
+
+			this._protocol = protocol;
+		}
+		return this._protocol;
+
+	}
+
+	dispose(): void {
+		if (!this._protocol) {
+			this._toDispose.dispose();
+			return;
+		}
+		if (this._isTerminating) {
+			return;
+		}
+		this._isTerminating = true;
+		this._protocol.send(createMessageOfType(MessageType.Terminate));
+		setTimeout(() => this._toDispose.dispose(), 10 * 1000);
+	}
+
+	getInspectPort(): number | undefined {
+		return undefined;
+	}
+
+	private async _createExtHostInitData(): Promise<IInitData> {
+		const [telemetryInfo, extensionDescriptions] = await Promise.all([this._telemetryService.getTelemetryInfo(), this._extensions]);
+		const workspace = this._contextService.getWorkspace();
+		return {
+			commit: this._productService.commit,
+			version: this._productService.version,
+			vscodeVersion: this._productService.vscodeVersion,
+			parentPid: -1,
+			environment: {
+				isExtensionDevelopmentDebug: false,
+				appRoot: this._environmentService.appRoot ? URI.file(this._environmentService.appRoot) : undefined,
+				appSettingsHome: this._environmentService.appSettingsHome ? this._environmentService.appSettingsHome : undefined,
+				appName: this._productService.nameLong,
+				appUriScheme: this._productService.urlProtocol,
+				appLanguage: platform.language,
+				extensionDevelopmentLocationURI: this._environmentService.extensionDevelopmentLocationURI,
+				extensionTestsLocationURI: this._environmentService.extensionTestsLocationURI,
+				globalStorageHome: URI.parse('fake:globalStorageHome'), //todo@joh URI.file(this._environmentService.globalStorageHome),
+				userHome: URI.parse('fake:userHome'), //todo@joh URI.file(this._environmentService.userHome),
+				webviewResourceRoot: this._environmentService.webviewResourceRoot,
+				webviewCspSource: this._environmentService.webviewCspSource,
+			},
+			workspace: this._contextService.getWorkbenchState() === WorkbenchState.EMPTY ? undefined : {
+				configuration: workspace.configuration || undefined,
+				id: workspace.id,
+				name: this._labelService.getWorkspaceLabel(workspace)
+			},
+			resolvedExtensions: [],
+			hostExtensions: [],
+			extensions: extensionDescriptions,
+			telemetryInfo,
+			logLevel: this._logService.getLevel(),
+			logsLocation: this._extensionHostLogsLocation,
+			autoStart: this._autoStart,
+			remote: {
+				authority: this._environmentService.configuration.remoteAuthority,
+				isRemote: false
+			},
+		};
+	}
+}
--- a/src/vs/workbench/services/extensions/common/extensionHostMain.ts
+++ b/src/vs/workbench/services/extensions/common/extensionHostMain.ts
@@ -10,7 +10,6 @@ import { URI, setUriThrowOnMissingScheme } from 'vs/base/common/uri';
 import { IURITransformer } from 'vs/base/common/uriIpc';
 import { IMessagePassingProtocol } from 'vs/base/parts/ipc/common/ipc';
 import { IInitData, MainContext, MainThreadConsoleShape } from 'vs/workbench/api/common/extHost.protocol';
-import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { RPCProtocol } from 'vs/workbench/services/extensions/common/rpcProtocol';
 import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
 import { ILogService } from 'vs/platform/log/common/log';
@@ -35,10 +34,6 @@ export interface IConsolePatchFn {
 	(mainThreadConsole: MainThreadConsoleShape): any;
 }

-export interface ILogServiceFn {
-	(initData: IInitData): ILogService;
-}
-
 export class ExtensionHostMain {

 	private _isTerminating: boolean;
@@ -50,8 +45,6 @@ export class ExtensionHostMain {
 		protocol: IMessagePassingProtocol,
 		initData: IInitData,
 		hostUtils: IHostUtils,
-		consolePatchFn: IConsolePatchFn,
-		logServiceFn: ILogServiceFn,
 		uriTransformer: IURITransformer | null
 	) {
 		this._isTerminating = false;
@@ -61,27 +54,27 @@ export class ExtensionHostMain {
 		// ensure URIs are transformed and revived
 		initData = ExtensionHostMain._transform(initData, rpcProtocol);

-		// allow to patch console
-		consolePatchFn(rpcProtocol.getProxy(MainContext.MainThreadConsole));
-
-		// services
-		const extHostLogService = new ExtHostLogService(logServiceFn(initData), initData.logsLocation.fsPath);
-		this._disposables.add(extHostLogService);
-
 		// bootstrap services
 		const services = new ServiceCollection(...getSingletonServiceDescriptors());
 		services.set(IExtHostInitDataService, { _serviceBrand: undefined, ...initData });
 		services.set(IExtHostRpcService, new ExtHostRpcService(rpcProtocol));
-		services.set(ILogService, extHostLogService);
 		services.set(IURITransformerService, new URITransformerService(uriTransformer));
 		services.set(IHostUtils, hostUtils);

 		const instaService: IInstantiationService = new InstantiationService(services, true);

-		extHostLogService.info('extension host started');
-		extHostLogService.trace('initData', initData);
+		// todo@joh
+		// ugly self - inject
+		const logService = instaService.invokeFunction(accessor => accessor.get(ILogService));
+		this._disposables.add(logService);

-		// todo@joh -> not soo nice...
+		logService.info('extension host started');
+		logService.trace('initData', initData);
+
+		// todo@joh
+		// ugly self - inject
+		// must call initialize *after* creating the extension service
+		// because `initialize` itself creates instances that depend on it
 		this._extensionService = instaService.invokeFunction(accessor => accessor.get(IExtHostExtensionService));
 		this._extensionService.initialize();

--- a/src/vs/workbench/services/extensions/electron-browser/extensionService.ts
+++ b/src/vs/workbench/services/extensions/electron-browser/extensionService.ts
@@ -354,6 +354,7 @@ export class ExtensionService extends AbstractExtensionService implements IExten
 		}

 		const result: ExtensionHostProcessManager[] = [];
+
 		const extHostProcessWorker = this._instantiationService.createInstance(ExtensionHostProcessWorker, autoStart, extensions, this._extensionHostLogsLocation);
 		const extHostProcessManager = this._instantiationService.createInstance(ExtensionHostProcessManager, true, extHostProcessWorker, null, initialActivationEvents);
 		result.push(extHostProcessManager);
--- a/src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts
+++ b/src/vs/workbench/services/extensions/node/extensionHostProcessSetup.ts
@@ -12,16 +12,14 @@ import { IMessagePassingProtocol } from 'vs/base/parts/ipc/common/ipc';
 import { PersistentProtocol, ProtocolConstants, createBufferedEvent } from 'vs/base/parts/ipc/common/ipc.net';
 import { NodeSocket, WebSocketNodeSocket } from 'vs/base/parts/ipc/node/ipc.net';
 import product from 'vs/platform/product/node/product';
-import { IInitData, MainThreadConsoleShape } from 'vs/workbench/api/common/extHost.protocol';
+import { IInitData } from 'vs/workbench/api/common/extHost.protocol';
 import { MessageType, createMessageOfType, isMessageOfType, IExtHostSocketMessage, IExtHostReadyMessage } from 'vs/workbench/services/extensions/common/extensionHostProtocol';
-import { ExtensionHostMain, IExitFn, ILogServiceFn } from 'vs/workbench/services/extensions/common/extensionHostMain';
+import { ExtensionHostMain, IExitFn } from 'vs/workbench/services/extensions/common/extensionHostMain';
 import { VSBuffer } from 'vs/base/common/buffer';
-import { ExtensionHostLogFileName } from 'vs/workbench/services/extensions/common/extensions';
 import { IURITransformer, URITransformer, IRawURITransformer } from 'vs/base/common/uriIpc';
 import { exists } from 'vs/base/node/pfs';
 import { realpath } from 'vs/base/node/extpath';
 import { IHostUtils } from 'vs/workbench/api/common/extHostExtensionService';
-import { SpdLogService } from 'vs/platform/log/node/spdlogService';
 import 'vs/workbench/api/node/extHost.services';

 interface ParsedExtHostArgs {
@@ -70,21 +68,6 @@ function patchProcess(allowExit: boolean) {
 	};
 }

-// use IPC messages to forward console-calls
-function patchPatchedConsole(mainThreadConsole: MainThreadConsoleShape): void {
-	// The console is already patched to use `process.send()`
-	const nativeProcessSend = process.send!;
-	process.send = (...args: any[]) => {
-		if (args.length === 0 || !args[0] || args[0].type !== '__$console') {
-			return nativeProcessSend.apply(process, args);
-		}
-
-		mainThreadConsole.$logExtensionHostMessage(args[0]);
-	};
-}
-
-const createLogService: ILogServiceFn = initData => new SpdLogService(ExtensionHostLogFileName, initData.logsLocation.fsPath, initData.logLevel);
-
 interface IRendererConnection {
 	protocol: IMessagePassingProtocol;
 	initData: IInitData;
@@ -206,7 +189,7 @@ async function createExtHostProtocol(): Promise<IMessagePassingProtocol> {
 }

 function connectToRenderer(protocol: IMessagePassingProtocol): Promise<IRendererConnection> {
-	return new Promise<IRendererConnection>((c, e) => {
+	return new Promise<IRendererConnection>((c) => {

 		// Listen init data message
 		const first = protocol.onMessage(raw => {
@@ -335,8 +318,6 @@ export async function startExtensionHostProcess(): Promise<void> {
 		renderer.protocol,
 		initData,
 		hostUtils,
-		patchPatchedConsole,
-		createLogService,
 		uriTransformer
 	);

--- a/src/vs/workbench/services/extensions/node/proxyResolver.ts
+++ b/src/vs/workbench/services/extensions/node/proxyResolver.ts
@@ -17,11 +17,11 @@ import { IExtHostWorkspaceProvider } from 'vs/workbench/api/common/extHostWorksp
 import { ExtHostConfigProvider } from 'vs/workbench/api/common/extHostConfiguration';
 import { ProxyAgent } from 'vscode-proxy-agent';
 import { MainThreadTelemetryShape } from 'vs/workbench/api/common/extHost.protocol';
-import { ExtHostLogService } from 'vs/workbench/api/common/extHostLogService';
 import { toErrorMessage } from 'vs/base/common/errorMessage';
 import { ExtHostExtensionService } from 'vs/workbench/api/node/extHostExtensionService';
 import { URI } from 'vs/base/common/uri';
 import { promisify } from 'util';
+import { ILogService } from 'vs/platform/log/common/log';

 interface ConnectionResult {
 	proxy: string;
@@ -34,7 +34,7 @@ export function connectProxyResolver(
 	extHostWorkspace: IExtHostWorkspaceProvider,
 	configProvider: ExtHostConfigProvider,
 	extensionService: ExtHostExtensionService,
-	extHostLogService: ExtHostLogService,
+	extHostLogService: ILogService,
 	mainThreadTelemetry: MainThreadTelemetryShape
 ) {
 	const resolveProxy = setupProxyResolution(extHostWorkspace, configProvider, extHostLogService, mainThreadTelemetry);
@@ -47,7 +47,7 @@ const maxCacheEntries = 5000; // Cache can grow twice that much due to 'oldCache
 function setupProxyResolution(
 	extHostWorkspace: IExtHostWorkspaceProvider,
 	configProvider: ExtHostConfigProvider,
-	extHostLogService: ExtHostLogService,
+	extHostLogService: ILogService,
 	mainThreadTelemetry: MainThreadTelemetryShape
 ) {
 	const env = process.env;
@@ -421,7 +421,7 @@ function configureModuleLoading(extensionService: ExtHostExtensionService, looku
 		});
 }

-function useSystemCertificates(extHostLogService: ExtHostLogService, useSystemCertificates: boolean, opts: http.RequestOptions, callback: () => void) {
+function useSystemCertificates(extHostLogService: ILogService, useSystemCertificates: boolean, opts: http.RequestOptions, callback: () => void) {
 	if (useSystemCertificates) {
 		getCaCertificates(extHostLogService)
 			.then(caCertificates => {
@@ -443,7 +443,7 @@ function useSystemCertificates(extHostLogService: ExtHostLogService, useSystemCe
 }

 let _caCertificates: ReturnType<typeof readCaCertificates> | Promise<undefined>;
-async function getCaCertificates(extHostLogService: ExtHostLogService) {
+async function getCaCertificates(extHostLogService: ILogService) {
 	if (!_caCertificates) {
 		_caCertificates = readCaCertificates()
 			.then(res => res && res.certs.length ? res : undefined)
@@ -469,24 +469,26 @@ async function readCaCertificates() {
 }

 async function readWindowsCaCertificates() {
-	const winCA = await import('vscode-windows-ca-certs');
+	// Not using await to work around minifier bug (https://github.com/microsoft/vscode/issues/79044).
+	return import('vscode-windows-ca-certs')
+		.then(winCA => {
+			let ders: any[] = [];
+			const store = winCA();
+			try {
+				let der: any;
+				while (der = store.next()) {
+					ders.push(der);
+				}
+			} finally {
+				store.done();
+			}

-	let ders: any[] = [];
-	const store = winCA();
-	try {
-		let der: any;
-		while (der = store.next()) {
-			ders.push(der);
-		}
-	} finally {
-		store.done();
-	}
-
-	const certs = new Set(ders.map(derToPem));
-	return {
-		certs: Array.from(certs),
-		append: true
-	};
+			const certs = new Set(ders.map(derToPem));
+			return {
+				certs: Array.from(certs),
+				append: true
+			};
+		});
 }

 async function readMacCaCertificates() {
--- a/src/vs/workbench/services/extensions/worker/extHost.services.ts
+++ b/src/vs/workbench/services/extensions/worker/extHost.services.ts
@@ -0,0 +1,57 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
+import { IExtHostOutputService, ExtHostOutputService } from 'vs/workbench/api/common/extHostOutput';
+import { IExtHostWorkspace, ExtHostWorkspace } from 'vs/workbench/api/common/extHostWorkspace';
+import { IExtHostDecorations, ExtHostDecorations } from 'vs/workbench/api/common/extHostDecorations';
+import { IExtHostConfiguration, ExtHostConfiguration } from 'vs/workbench/api/common/extHostConfiguration';
+import { IExtHostCommands, ExtHostCommands } from 'vs/workbench/api/common/extHostCommands';
+import { IExtHostDocumentsAndEditors, ExtHostDocumentsAndEditors } from 'vs/workbench/api/common/extHostDocumentsAndEditors';
+import { IExtHostTerminalService } from 'vs/workbench/api/common/extHostTerminalService';
+import { IExtHostTask } from 'vs/workbench/api/common/extHostTask';
+import { IExtHostDebugService } from 'vs/workbench/api/common/extHostDebugService';
+import { IExtHostSearch } from 'vs/workbench/api/common/extHostSearch';
+import { IExtensionStoragePaths } from 'vs/workbench/api/common/extHostStoragePaths';
+import { IExtHostExtensionService } from 'vs/workbench/api/common/extHostExtensionService';
+import { IExtHostStorage, ExtHostStorage } from 'vs/workbench/api/common/extHostStorage';
+import { ExtHostExtensionService } from 'vs/workbench/api/worker/extHostExtensionService';
+import { ServiceIdentifier } from 'vs/platform/instantiation/common/instantiation';
+import { ILogService } from 'vs/platform/log/common/log';
+import { ExtHostLogService } from 'vs/workbench/api/worker/extHostLogService';
+
+// register singleton services
+registerSingleton(ILogService, ExtHostLogService);
+registerSingleton(IExtHostOutputService, ExtHostOutputService);
+registerSingleton(IExtHostWorkspace, ExtHostWorkspace);
+registerSingleton(IExtHostDecorations, ExtHostDecorations);
+registerSingleton(IExtHostConfiguration, ExtHostConfiguration);
+registerSingleton(IExtHostCommands, ExtHostCommands);
+registerSingleton(IExtHostDocumentsAndEditors, ExtHostDocumentsAndEditors);
+registerSingleton(IExtHostStorage, ExtHostStorage);
+registerSingleton(IExtHostExtensionService, ExtHostExtensionService);
+
+// register services that only throw errors
+function NotImplementedProxy<T>(name: ServiceIdentifier<T>): { new(): T } {
+	return <any>class {
+		constructor() {
+			return new Proxy({}, {
+				get(target: any, prop: string | number) {
+					if (target[prop]) {
+						return target[prop];
+					}
+					throw new Error(`Not Implemented: ${name}->${String(prop)}`);
+				}
+			});
+		}
+	};
+}
+registerSingleton(IExtHostTerminalService, class extends NotImplementedProxy(IExtHostTerminalService) { });
+registerSingleton(IExtHostTask, class extends NotImplementedProxy(IExtHostTask) { });
+registerSingleton(IExtHostDebugService, class extends NotImplementedProxy(IExtHostDebugService) { });
+registerSingleton(IExtHostSearch, class extends NotImplementedProxy(IExtHostSearch) { });
+registerSingleton(IExtensionStoragePaths, class extends NotImplementedProxy(IExtensionStoragePaths) {
+	whenReady = Promise.resolve();
+});
--- a/src/vs/workbench/services/extensions/worker/extensionHostWorker.ts
+++ b/src/vs/workbench/services/extensions/worker/extensionHostWorker.ts
@@ -0,0 +1,117 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IRequestHandler } from 'vs/base/common/worker/simpleWorker';
+import { IMessagePassingProtocol } from 'vs/base/parts/ipc/common/ipc';
+import { VSBuffer } from 'vs/base/common/buffer';
+import { Emitter } from 'vs/base/common/event';
+import { isMessageOfType, MessageType, createMessageOfType } from 'vs/workbench/services/extensions/common/extensionHostProtocol';
+import { IInitData } from 'vs/workbench/api/common/extHost.protocol';
+import { ExtensionHostMain } from 'vs/workbench/services/extensions/common/extensionHostMain';
+import { IHostUtils } from 'vs/workbench/api/common/extHostExtensionService';
+import 'vs/workbench/services/extensions/worker/extHost.services';
+
+// worker-self
+declare namespace self {
+	function close(): void;
+}
+
+// do not allow extensions to call terminate
+const nativeClose = self.close.bind(self);
+self.close = () => console.trace('An extension called terminate and this was prevented');
+let onTerminate = nativeClose;
+
+const hostUtil = new class implements IHostUtils {
+	_serviceBrand: any;
+	exit(_code?: number | undefined): void {
+		nativeClose();
+	}
+	async exists(_path: string): Promise<boolean> {
+		return true;
+	}
+	async realpath(path: string): Promise<string> {
+		return path;
+	}
+};
+
+//todo@joh do not allow extensions to call postMessage and other globals...
+
+class ExtensionWorker implements IRequestHandler {
+
+	// worker-contract
+	readonly _requestHandlerBrand: any;
+	readonly onmessage: (data: any) => any;
+
+	// protocol
+	readonly protocol: IMessagePassingProtocol;
+
+	constructor(postMessage: (message: any, transfer?: Transferable[]) => any) {
+
+		let emitter = new Emitter<VSBuffer>();
+		let terminating = false;
+
+		this.onmessage = data => {
+			if (!(data instanceof ArrayBuffer)) {
+				console.warn('UNKNOWN data received', data);
+				return;
+			}
+
+			const msg = VSBuffer.wrap(new Uint8Array(data, 0, data.byteLength));
+			if (isMessageOfType(msg, MessageType.Terminate)) {
+				// handle terminate-message right here
+				terminating = true;
+				onTerminate();
+				return;
+			}
+
+			// emit non-terminate messages to the outside
+			emitter.fire(msg);
+		};
+
+		this.protocol = {
+			onMessage: emitter.event,
+			send: vsbuf => {
+				if (!terminating) {
+					const data = vsbuf.buffer.buffer.slice(vsbuf.buffer.byteOffset, vsbuf.buffer.byteOffset + vsbuf.buffer.byteLength);
+					postMessage(data, [data]);
+				}
+			}
+		};
+	}
+}
+
+interface IRendererConnection {
+	protocol: IMessagePassingProtocol;
+	initData: IInitData;
+}
+function connectToRenderer(protocol: IMessagePassingProtocol): Promise<IRendererConnection> {
+	return new Promise<IRendererConnection>(resolve => {
+		const once = protocol.onMessage(raw => {
+			once.dispose();
+			const initData = <IInitData>JSON.parse(raw.toString());
+			protocol.send(createMessageOfType(MessageType.Initialized));
+			resolve({ protocol, initData });
+		});
+		protocol.send(createMessageOfType(MessageType.Ready));
+	});
+}
+
+export function create(postMessage: (message: any, transfer?: Transferable[]) => any): IRequestHandler {
+	const res = new ExtensionWorker(postMessage);
+
+	connectToRenderer(res.protocol).then(data => {
+
+		const extHostMain = new ExtensionHostMain(
+			data.protocol,
+			data.initData,
+			hostUtil,
+			null,
+		);
+
+		onTerminate = () => extHostMain.terminate();
+	});
+
+	return res;
+}
--- a/src/vs/workbench/workbench.desktop.main.ts
+++ b/src/vs/workbench/workbench.desktop.main.ts
@@ -21,8 +21,8 @@ import 'vs/workbench/workbench.common.main';
 //#region --- workbench (desktop main)
 import 'sql/setup'; // {{SQL CARBON EDIT}}

-import 'vs/workbench/electron-browser/main.contribution';
-import 'vs/workbench/electron-browser/main';
+import 'vs/workbench/electron-browser/desktop.contribution';
+import 'vs/workbench/electron-browser/desktop.main';

 //#endregion

@@ -33,7 +33,6 @@ import 'vs/workbench/services/textMate/electron-browser/textMateService';
 import 'vs/workbench/services/workspace/electron-browser/workspaceEditingService';
 import 'vs/workbench/services/extensions/common/inactiveExtensionUrlHandler';
 import 'vs/workbench/services/search/node/searchService';
-import 'vs/workbench/contrib/debug/electron-browser/extensionHostDebugService';
 import 'vs/workbench/services/output/node/outputChannelModelService';
 import 'vs/workbench/services/textfile/node/textFileService';
 import 'vs/workbench/services/dialogs/electron-browser/dialogService';
@@ -49,7 +48,6 @@ import 'vs/workbench/services/configurationResolver/electron-browser/configurati
 import 'vs/workbench/services/extensionManagement/node/extensionManagementService';
 import 'vs/workbench/services/accessibility/node/accessibilityService';
 import 'vs/workbench/services/remote/node/tunnelService';
-import 'vs/workbench/contrib/stats/electron-browser/workspaceStatsService';
 import 'vs/workbench/services/backup/node/backupFileService';

 import { registerSingleton } from 'vs/platform/instantiation/common/extensions';
@@ -214,6 +212,7 @@ import 'vs/workbench/contrib/localizations/browser/localizations.contribution';
 import 'vs/workbench/contrib/logs/electron-browser/logs.contribution';

 // Stats
+import 'vs/workbench/contrib/stats/electron-browser/workspaceStatsService';
 import 'vs/workbench/contrib/stats/electron-browser/stats.contribution';

 // Rapid Render Splash
@@ -221,6 +220,7 @@ import 'vs/workbench/contrib/splash/electron-browser/partsSplash.contribution';

 // Debug
 // import 'vs/workbench/contrib/debug/node/debugHelperService'; {{SQL CARBON EDIT}}
+import 'vs/workbench/contrib/debug/electron-browser/extensionHostDebugService';

 // Webview
 import 'vs/workbench/contrib/webview/electron-browser/webview.contribution';
--- a/src/vs/workbench/workbench.web.api.ts
+++ b/src/vs/workbench/workbench.web.api.ts
@@ -48,6 +48,11 @@ export interface IWorkbenchConstructionOptions {
 	 * A factory for web sockets.
 	 */
 	webSocketFactory?: IWebSocketFactory;
+
+	/**
+	 * Experimental: Whether to enable the smoke test driver.
+	 */
+	driver?: boolean;
 }

 /**
--- a/yarn.lock
+++ b/yarn.lock
@@ -10297,10 +10297,10 @@ xterm-addon-web-links@0.1.0-beta10:
  resolved "https://registry.yarnpkg.com/xterm-addon-web-links/-/xterm-addon-web-links-0.1.0-beta10.tgz#610fa9773a2a5ccd41c1c83ba0e2dd2c9eb66a23"
  integrity sha512-xfpjy0V6bB4BR44qIgZQPoCMVakxb65gMscPkHpO//QxvUxKzabV3dxOsIbeZRFkUGsWTFlvz2OoaBLoNtv5gg==

-xterm@3.15.0-beta98:
-  version "3.15.0-beta98"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-3.15.0-beta98.tgz#37f37c35577422880e7ef673cc37f9d2a45dd40c"
-  integrity sha512-vZbg2LcRvoiJOgr1MyeLFM9mF4uib3BWUWDHyFc+vZ58CTuK0iczOvFXgk/ySo23ZLqwmHQSigLgmWvZ8J5G0Q==
+xterm@3.15.0-beta99:
+  version "3.15.0-beta99"
+  resolved "https://registry.yarnpkg.com/xterm/-/xterm-3.15.0-beta99.tgz#0010a7ea5d56cbb08a1e3a525b353c96a158e7a0"
+  integrity sha512-Vm0ZWToWwO4uk/28Kqvqt9L92h5EU2z4WR9I6xcQaPIBmkJPINIARU4LWQnvaOfgFhRbpwBMveTfh8/jM97lPg==

 y18n@^3.2.1:
  version "3.2.1"