diff --git a/code/src/vs/workbench/contrib/chat/browser/chatInputPart.ts b/code/src/vs/workbench/contrib/chat/browser/chatInputPart.ts
index 8f910bc2e76..52d7d73bd97 100644
--- a/code/src/vs/workbench/contrib/chat/browser/chatInputPart.ts
+++ b/code/src/vs/workbench/contrib/chat/browser/chatInputPart.ts
@@ -516,7 +516,7 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 		onDidChangeCursorPosition();
 	}
 
-	private initAttachedContext(container: HTMLElement) {
+	private initAttachedContext(container: HTMLElement, isLayout = false) {
 		const oldHeight = container.offsetHeight;
 		dom.clearNode(container);
 		this.attachedContextDisposables.clear();
@@ -578,7 +578,7 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 			this.attachedContextDisposables.add(disp);
 		});
 
-		if (oldHeight !== container.offsetHeight) {
+		if (oldHeight !== container.offsetHeight && !isLayout) {
 			this._onDidChangeHeight.fire();
 		}
 	}
@@ -609,7 +609,7 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 
 	private previousInputEditorDimension: IDimension | undefined;
 	private _layout(height: number, width: number, allowRecurse = true): void {
-		this.initAttachedContext(this.attachedContextContainer);
+		this.initAttachedContext(this.attachedContextContainer, true);
 
 		const data = this.getLayoutData();
 
diff --git a/code/src/vs/workbench/contrib/debug/browser/callStackWidget.ts b/code/src/vs/workbench/contrib/debug/browser/callStackWidget.ts
index 0b6b0e6bc28..d02de4fb72f 100644
--- a/code/src/vs/workbench/contrib/debug/browser/callStackWidget.ts
+++ b/code/src/vs/workbench/contrib/debug/browser/callStackWidget.ts
@@ -144,6 +144,7 @@ export class CallStackWidget extends Disposable {
 				multipleSelectionSupport: false,
 				mouseSupport: false,
 				keyboardSupport: false,
+				setRowLineHeight: false,
 				accessibilityProvider: instantiationService.createInstance(StackAccessibilityProvider),
 			}
 		) as WorkbenchList<ListItem>);
diff --git a/code/src/vs/workbench/contrib/debug/browser/media/callStackWidget.css b/code/src/vs/workbench/contrib/debug/browser/media/callStackWidget.css
index e4c0a1a61b1..e5e0d56e15f 100644
--- a/code/src/vs/workbench/contrib/debug/browser/media/callStackWidget.css
+++ b/code/src/vs/workbench/contrib/debug/browser/media/callStackWidget.css
@@ -24,6 +24,10 @@
 		&[role="link"] {
 			cursor: pointer;
 		}
+
+		.monaco-icon-label::before {
+			height: auto;
+		}
 	}
 
 	&.collapsed {
@@ -39,6 +43,7 @@
 	.collapse-button {
 		width: 16px;
 		min-height: 1px; /* show even if empty */
+		line-height: 0;
 
 		a {
 			cursor: pointer;
@@ -56,7 +61,6 @@
 .multiCallStackWidget {
 	.multiCallStackFrameContainer {
 		background: none !important;
-		line-height: inherit !important;
 	}
 }
 
diff --git a/code/src/vs/workbench/contrib/notebook/browser/diff/diffComponents.ts b/code/src/vs/workbench/contrib/notebook/browser/diff/diffComponents.ts
index a2adaf3bb6e..32b1b2c2de5 100644
--- a/code/src/vs/workbench/contrib/notebook/browser/diff/diffComponents.ts
+++ b/code/src/vs/workbench/contrib/notebook/browser/diff/diffComponents.ts
@@ -1644,7 +1644,7 @@ export class ModifiedElement extends AbstractElementRenderer {
 			{
 				updateInfoRendering: () => renderSourceEditor(),
 				checkIfModified: (cell) => {
-					return cell.modified?.textModel.getValue() !== cell.original?.textModel.getValue() ? { reason: undefined } : false;
+					return cell.modified?.textModel.getTextBufferHash() !== cell.original?.textModel.getTextBufferHash() ? { reason: undefined } : false;
 				},
 				getFoldingState: (cell) => cell.cellFoldingState,
 				updateFoldingState: (cell, state) => cell.cellFoldingState = state,
@@ -1660,7 +1660,7 @@ export class ModifiedElement extends AbstractElementRenderer {
 		const scopedContextKeyService = this.contextKeyService.createScoped(this.templateData.inputToolbarContainer);
 		this._register(scopedContextKeyService);
 		const inputChanged = NOTEBOOK_DIFF_CELL_INPUT.bindTo(scopedContextKeyService);
-		inputChanged.set(this.cell.modified.textModel.getValue() !== this.cell.original.textModel.getValue());
+		inputChanged.set(this.cell.modified.textModel.getTextBufferHash() !== this.cell.original.textModel.getTextBufferHash());
 
 		const ignoreWhitespace = NOTEBOOK_DIFF_CELL_IGNORE_WHITESPACE.bindTo(scopedContextKeyService);
 		const ignore = this.textConfigurationService.getValue<boolean>(this.cell.modified.uri, 'diffEditor.ignoreTrimWhitespace');
@@ -1675,7 +1675,7 @@ export class ModifiedElement extends AbstractElementRenderer {
 		const refreshToolbar = () => {
 			const ignore = this.textConfigurationService.getValue<boolean>(this.cell.modified.uri, 'diffEditor.ignoreTrimWhitespace');
 			ignoreWhitespace.set(ignore);
-			const hasChanges = this.cell.modified.textModel.getValue() !== this.cell.original.textModel.getValue();
+			const hasChanges = this.cell.modified.textModel.getTextBufferHash() !== this.cell.original.textModel.getTextBufferHash();
 			inputChanged.set(hasChanges);
 
 			if (hasChanges) {
diff --git a/code/src/vs/workbench/contrib/notebook/browser/diff/notebookDiffViewModel.ts b/code/src/vs/workbench/contrib/notebook/browser/diff/notebookDiffViewModel.ts
index 0c82062b13c..dd2b3f12201 100644
--- a/code/src/vs/workbench/contrib/notebook/browser/diff/notebookDiffViewModel.ts
+++ b/code/src/vs/workbench/contrib/notebook/browser/diff/notebookDiffViewModel.ts
@@ -441,16 +441,12 @@ function createDiffViewModels(instantiationService: IInstantiationService, confi
 				);
 			}
 			case 'unchanged': {
-				const originalCell = originalModel.cells[diff.originalCellIndex];
-				const modifiedCell = modifiedModel.cells[diff.modifiedCellIndex];
-				const type = (originalCell.textModel?.getValue() !== modifiedCell.textModel?.getValue()) ? 'modified' : 'unchanged';
 				return new SideBySideDiffElementViewModel(
 					model.modified.notebook,
 					model.original.notebook,
-					originalCell,
-					modifiedCell,
-					type,
-					eventDispatcher,
+					originalModel.cells[diff.originalCellIndex],
+					modifiedModel.cells[diff.modifiedCellIndex],
+					'unchanged', eventDispatcher,
 					initData,
 					notebookService
 				);
diff --git a/code/src/vs/workbench/contrib/notebook/common/model/notebookCellTextModel.ts b/code/src/vs/workbench/contrib/notebook/common/model/notebookCellTextModel.ts
index 3d7310c6438..e83261cf204 100644
--- a/code/src/vs/workbench/contrib/notebook/common/model/notebookCellTextModel.ts
+++ b/code/src/vs/workbench/contrib/notebook/common/model/notebookCellTextModel.ts
@@ -419,6 +419,10 @@ export class NotebookCellTextModel extends Disposable implements ICell {
 			return false;
 		}
 
+		if (this.outputs.length !== b.outputs.length) {
+			return false;
+		}
+
 		if (this.getTextLength() !== b.getTextLength()) {
 			return false;
 		}