diff --git a/vscode.proposed.d.ts b/vscode.proposed.d.ts
index 11eeae9f06..c7fe36f73f 100644
--- a/vscode.proposed.d.ts
+++ b/vscode.proposed.d.ts
@@ -263,6 +263,27 @@ declare module 'vscode' {
 		delete(index: number): void;
 	}
 
+	export interface NotebookCellRange {
+		readonly start: number;
+		readonly end: number;
+	}
+
+	export enum NotebookEditorRevealType {
+		/**
+		 * The range will be revealed with as little scrolling as possible.
+		 */
+		Default = 0,
+		/**
+		 * The range will always be revealed in the center of the viewport.
+		 */
+		InCenter = 1,
+		/**
+		 * If the range is outside the viewport, it will be revealed in the center of the viewport.
+		 * Otherwise, it will be revealed with as little scrolling as possible.
+		 */
+		InCenterIfOutsideViewport = 2,
+	}
+
 	export interface NotebookEditor {
 		/**
 		 * The document associated with this notebook editor.
@@ -274,6 +295,12 @@ declare module 'vscode' {
 		 */
 		readonly selection?: NotebookCell;
 
+
+		/**
+		 * The current visible ranges in the editor (vertically).
+		 */
+		readonly visibleRanges: NotebookCellRange[];
+
 		/**
 		 * The column in which this editor shows.
 		 */
@@ -318,6 +345,8 @@ declare module 'vscode' {
 		asWebviewUri(localResource: Uri): Uri;
 
 		edit(callback: (editBuilder: NotebookEditorCellEdit) => void): Thenable<boolean>;
+
+		revealRange(range: NotebookCellRange, revealType?: NotebookEditorRevealType): void;
 	}
 
 	export interface NotebookOutputSelector {
@@ -380,6 +409,16 @@ declare module 'vscode' {
 		readonly cell: NotebookCell;
 	}
 
+	export interface NotebookEditorSelectionChangeEvent {
+		readonly notebookEditor: NotebookEditor;
+		readonly selection?: NotebookCell;
+	}
+
+	export interface NotebookEditorVisibleRangesChangeEvent {
+		readonly notebookEditor: NotebookEditor;
+		readonly visibleRanges: ReadonlyArray<NotebookCellRange>;
+	}
+
 	export interface NotebookCellData {
 		readonly cellKind: CellKind;
 		readonly source: string;
@@ -509,6 +548,7 @@ declare module 'vscode' {
 		readonly id?: string;
 		label: string;
 		description?: string;
+		detail?: string;
 		isPreferred?: boolean;
 		preloads?: Uri[];
 		executeCell(document: NotebookDocument, cell: NotebookCell): void;
@@ -518,13 +558,12 @@ declare module 'vscode' {
 	}
 
 	export interface NotebookDocumentFilter {
-		viewType?: string;
-		filenamePattern?: GlobPattern;
-		excludeFileNamePattern?: GlobPattern;
+		viewType?: string | string[];
+		filenamePattern?: GlobPattern | { include: GlobPattern; exclude: GlobPattern };
 	}
 
 	export interface NotebookKernelProvider<T extends NotebookKernel = NotebookKernel> {
-		onDidChangeKernels?: Event<void>;
+		onDidChangeKernels?: Event<NotebookDocument | undefined>;
 		provideKernels(document: NotebookDocument, token: CancellationToken): ProviderResult<T[]>;
 		resolveKernel?(kernel: T, document: NotebookDocument, webview: NotebookCommunication, token: CancellationToken): ProviderResult<void>;
 	}
@@ -581,12 +620,6 @@ declare module 'vscode' {
 			provider: NotebookKernelProvider
 		): Disposable;
 
-		export function registerNotebookKernel(
-			id: string,
-			selectors: GlobPattern[],
-			kernel: NotebookKernel
-		): Disposable;
-
 		export const onDidOpenNotebookDocument: Event<NotebookDocument>;
 		export const onDidCloseNotebookDocument: Event<NotebookDocument>;
 		export const onDidSaveNotebookDocument: Event<NotebookDocument>;
@@ -596,11 +629,13 @@ declare module 'vscode' {
 		 */
 		export const notebookDocuments: ReadonlyArray<NotebookDocument>;
 
-		export let visibleNotebookEditors: NotebookEditor[];
+		export const visibleNotebookEditors: NotebookEditor[];
 		export const onDidChangeVisibleNotebookEditors: Event<NotebookEditor[]>;
 
-		export let activeNotebookEditor: NotebookEditor | undefined;
+		export const activeNotebookEditor: NotebookEditor | undefined;
 		export const onDidChangeActiveNotebookEditor: Event<NotebookEditor | undefined>;
+		export const onDidChangeNotebookEditorSelection: Event<NotebookEditorSelectionChangeEvent>;
+		export const onDidChangeNotebookEditorVisibleRanges: Event<NotebookEditorVisibleRangesChangeEvent>;
 		export const onDidChangeNotebookCells: Event<NotebookCellsChangeEvent>;
 		export const onDidChangeCellOutputs: Event<NotebookCellOutputsChangeEvent>;
 		export const onDidChangeCellLanguage: Event<NotebookCellLanguageChangeEvent>;