diff --git a/build/gulpfile.vscode.js b/build/gulpfile.vscode.js
index 9aa6aff5ea78f78c78799dadd5119e4e89542c5a..4b46a5d856cb67b3f5a2a0ad07f6bac262466dd3 100644
--- a/build/gulpfile.vscode.js
+++ b/build/gulpfile.vscode.js
@@ -64,6 +64,7 @@ const vscodeResources = [
 	'out-build/paths.js',
 	'out-build/vs/**/*.{svg,png,html}',
 	'!out-build/vs/code/browser/**/*.html',
+	'!out-build/vs/editor/standalone/**/*.svg',
 	'out-build/vs/base/common/performance.js',
 	'out-build/vs/base/node/languagePacks.js',
 	'out-build/vs/base/node/{stdForkStart.js,terminateProcess.sh,cpuUsage.sh,ps.sh}',
diff --git a/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts b/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
index 4a4090f4c942ab2bde9f39f14526137757de18dc..1e72361f58f00fc8649a7fd1563e7a7788c7ebf3 100644
--- a/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
@@ -224,23 +224,23 @@ export class ExtensionEditor extends BaseEditor {
 		builtin.textContent = localize('builtin', "Built-in");
 
 		const subtitle = append(details, $('.subtitle'));
-		const publisher = append(subtitle, $('span.publisher.clickable', { title: localize('publisher', "Publisher name"), tabIndex: 0 }));
+		const publisher = append(append(subtitle, $('.subtitle-entry')), $('span.publisher.clickable', { title: localize('publisher', "Publisher name"), tabIndex: 0 }));
 
-		const installCount = append(subtitle, $('span.install', { title: localize('install count', "Install count"), tabIndex: 0 }));
+		const installCount = append(append(subtitle, $('.subtitle-entry')), $('span.install', { title: localize('install count', "Install count"), tabIndex: 0 }));
 
-		const rating = append(subtitle, $('span.rating.clickable', { title: localize('rating', "Rating"), tabIndex: 0 }));
+		const rating = append(append(subtitle, $('.subtitle-entry')), $('span.rating.clickable', { title: localize('rating', "Rating"), tabIndex: 0 }));
 
-		const repository = append(subtitle, $('span.repository.clickable'));
+		const repository = append(append(subtitle, $('.subtitle-entry')), $('span.repository.clickable'));
 		repository.textContent = localize('repository', 'Repository');
 		repository.style.display = 'none';
 		repository.tabIndex = 0;
 
-		const license = append(subtitle, $('span.license.clickable'));
+		const license = append(append(subtitle, $('.subtitle-entry')), $('span.license.clickable'));
 		license.textContent = localize('license', 'License');
 		license.style.display = 'none';
 		license.tabIndex = 0;
 
-		const version = append(subtitle, $('span.version'));
+		const version = append(append(subtitle, $('.subtitle-entry')), $('span.version'));
 		version.textContent = localize('version', 'Version');
 
 		const description = append(details, $('.description'));
diff --git a/src/vs/workbench/contrib/extensions/browser/media/extensionEditor.css b/src/vs/workbench/contrib/extensions/browser/media/extensionEditor.css
index a6293c6dda0fd3a07010d36703ab6df07b000a26..3270a34f18ed8bc46b07cba5e04313b9ce81d67c 100644
--- a/src/vs/workbench/contrib/extensions/browser/media/extensionEditor.css
+++ b/src/vs/workbench/contrib/extensions/browser/media/extensionEditor.css
@@ -113,7 +113,7 @@
 	line-height: 20px;
 }
 
-.extension-editor > .header > .details > .subtitle > .publisher {
+.extension-editor > .header > .details > .subtitle .publisher {
 	font-size: 18px;
 }
 
@@ -124,12 +124,11 @@
 	align-items: center;
 }
 
-.extension-editor > .header > .details > .subtitle > .install > .count {
+.extension-editor > .header > .details > .subtitle .install > .count {
 	margin-left: 6px;
 }
 
-.extension-editor > .header > .details > .subtitle > span:not(:first-child):not(:empty),
-.extension-editor > .header > .details > .subtitle > a:not(:first-child):not(:empty) {
+.extension-editor > .header > .details > .subtitle > div:not(:first-child):not(:empty) {
 	border-left: 1px solid rgba(128, 128, 128, 0.7);
 	margin-left: 14px;
 	padding-left: 14px;
diff --git a/src/vs/workbench/contrib/views/browser/treeView.ts b/src/vs/workbench/contrib/views/browser/treeView.ts
index a9626ba711c27a7f8445d94527be5e7e4b9b5596..10e0efdbfa14ae4827cae389f345811f0748d6ab 100644
--- a/src/vs/workbench/contrib/views/browser/treeView.ts
+++ b/src/vs/workbench/contrib/views/browser/treeView.ts
@@ -38,7 +38,7 @@ import { FuzzyScore, createMatches } from 'vs/base/common/filters';
 import { CollapseAllAction } from 'vs/base/browser/ui/tree/treeDefaults';
 import { isFalsyOrWhitespace } from 'vs/base/common/strings';
 import { SIDE_BAR_BACKGROUND, PANEL_BACKGROUND } from 'vs/workbench/common/theme';
-import { IHoverService } from 'vs/workbench/services/hover/browser/hover';
+import { IHoverService, IHoverOptions } from 'vs/workbench/services/hover/browser/hover';
 
 class Root implements ITreeItem {
 	label = { label: 'root' };
@@ -795,6 +795,7 @@ class TreeRenderer extends Disposable implements ITreeRenderer<ITreeItem, FuzzyS
 		const resolvableNode: ResolvableTreeItem = node;
 		const hoverService = this.hoverService;
 		const hoverDelay = this.hoverDelay;
+		let hoverOptions: IHoverOptions | undefined;
 		function mouseOver(this: HTMLElement, e: MouseEvent): any {
 			let isHovering = true;
 			function mouseLeave(this: HTMLElement, e: MouseEvent): any {
@@ -805,7 +806,10 @@ class TreeRenderer extends Disposable implements ITreeRenderer<ITreeItem, FuzzyS
 				await resolvableNode.resolve();
 				const tooltip = resolvableNode.tooltip ?? label;
 				if (isHovering && tooltip) {
-					hoverService.showHover({ text: isString(tooltip) ? { value: tooltip } : tooltip, target: this });
+					if (!hoverOptions) {
+						hoverOptions = { text: isString(tooltip) ? { value: tooltip } : tooltip, target: this };
+					}
+					hoverService.showHover(hoverOptions);
 				}
 				this.removeEventListener(DOM.EventType.MOUSE_LEAVE, mouseLeave);
 			}, hoverDelay);
diff --git a/src/vs/workbench/services/keybinding/common/keybindingEditing.ts b/src/vs/workbench/services/keybinding/common/keybindingEditing.ts
index 3b789cbce4e25b4c72011688abd616c9af7171ce..e6621b9d06b7ced969cd49e78a6940574216b5ed 100644
--- a/src/vs/workbench/services/keybinding/common/keybindingEditing.ts
+++ b/src/vs/workbench/services/keybinding/common/keybindingEditing.ts
@@ -6,6 +6,7 @@
 import { localize } from 'vs/nls';
 import { Queue } from 'vs/base/common/async';
 import * as json from 'vs/base/common/json';
+import * as objects from 'vs/base/common/objects';
 import { setProperty } from 'vs/base/common/jsonEdit';
 import { Edit } from 'vs/base/common/jsonFormatter';
 import { Disposable, IReference } from 'vs/base/common/lifecycle';
@@ -143,7 +144,11 @@ export class KeybindingsEditingService extends Disposable implements IKeybinding
 		const eol = model.getEOL();
 		const key = keybindingItem.resolvedKeybinding ? keybindingItem.resolvedKeybinding.getUserSettingsLabel() : null;
 		if (key) {
-			this.applyEditsToBuffer(setProperty(model.getValue(), [-1], this.asObject(key, keybindingItem.command, keybindingItem.when ? keybindingItem.when.serialize() : undefined, true), { tabSize, insertSpaces, eol })[0], model);
+			const entry: IUserFriendlyKeybinding = this.asObject(key, keybindingItem.command, keybindingItem.when ? keybindingItem.when.serialize() : undefined, true);
+			const userKeybindingEntries = <IUserFriendlyKeybinding[]>json.parse(model.getValue());
+			if (userKeybindingEntries.every(e => !this.areSame(e, entry))) {
+				this.applyEditsToBuffer(setProperty(model.getValue(), [-1], entry, { tabSize, insertSpaces, eol })[0], model);
+			}
 		}
 	}
 
@@ -196,6 +201,26 @@ export class KeybindingsEditingService extends Disposable implements IKeybinding
 		return object;
 	}
 
+	private areSame(a: IUserFriendlyKeybinding, b: IUserFriendlyKeybinding): boolean {
+		if (a.command !== b.command) {
+			return false;
+		}
+		if (a.key !== b.key) {
+			return false;
+		}
+		const whenA = ContextKeyExpr.deserialize(a.when);
+		const whenB = ContextKeyExpr.deserialize(b.when);
+		if ((whenA && !whenB) || (!whenA && whenB)) {
+			return false;
+		}
+		if (whenA && whenB && !whenA.equals(whenB)) {
+			return false;
+		}
+		if (!objects.equals(a.args, b.args)) {
+			return false;
+		}
+		return true;
+	}
 
 	private applyEditsToBuffer(edit: Edit, model: ITextModel): void {
 		const startPosition = model.getPositionAt(edit.offset);
@@ -206,7 +231,6 @@ export class KeybindingsEditingService extends Disposable implements IKeybinding
 		model.pushEditOperations([new Selection(startPosition.lineNumber, startPosition.column, startPosition.lineNumber, startPosition.column)], [editOperation], () => []);
 	}
 
-
 	private resolveModelReference(): Promise<IReference<IResolvedTextEditorModel>> {
 		return this.fileService.exists(this.resource)
 			.then(exists => {
diff --git a/src/vs/workbench/services/keybinding/test/electron-browser/keybindingEditing.test.ts b/src/vs/workbench/services/keybinding/test/electron-browser/keybindingEditing.test.ts
index 0fd8abac93b5e14716e30155fd5d4692de742311..cd493c726b695e0cef2d359c5888f9870774ab84 100644
--- a/src/vs/workbench/services/keybinding/test/electron-browser/keybindingEditing.test.ts
+++ b/src/vs/workbench/services/keybinding/test/electron-browser/keybindingEditing.test.ts
@@ -220,6 +220,16 @@ suite('KeybindingsEditing', () => {
 			.then(() => assert.deepEqual(getUserKeybindings(), expected));
 	});
 
+	test('remove a default keybinding should not ad duplicate entries', async () => {
+		const expected: IUserFriendlyKeybinding[] = [{ key: 'alt+c', command: '-a' }];
+		await testObject.removeKeybinding(aResolvedKeybindingItem({ command: 'a', firstPart: { keyCode: KeyCode.KEY_C, modifiers: { altKey: true } } }));
+		await testObject.removeKeybinding(aResolvedKeybindingItem({ command: 'a', firstPart: { keyCode: KeyCode.KEY_C, modifiers: { altKey: true } } }));
+		await testObject.removeKeybinding(aResolvedKeybindingItem({ command: 'a', firstPart: { keyCode: KeyCode.KEY_C, modifiers: { altKey: true } } }));
+		await testObject.removeKeybinding(aResolvedKeybindingItem({ command: 'a', firstPart: { keyCode: KeyCode.KEY_C, modifiers: { altKey: true } } }));
+		await testObject.removeKeybinding(aResolvedKeybindingItem({ command: 'a', firstPart: { keyCode: KeyCode.KEY_C, modifiers: { altKey: true } } }));
+		assert.deepEqual(getUserKeybindings(), expected);
+	});
+
 	test('remove a user keybinding', () => {
 		writeToKeybindingsFile({ key: 'alt+c', command: 'b' });
 		return testObject.removeKeybinding(aResolvedKeybindingItem({ command: 'b', firstPart: { keyCode: KeyCode.KEY_C, modifiers: { altKey: true } }, isDefault: false }))