diff --git a/extension/package.json b/extension/package.json
index 0b19efc..54a461f 100644
--- a/extension/package.json
+++ b/extension/package.json
@@ -7,7 +7,7 @@
 	"version": "2.4.0",
 	"license": "GPL-3.0",
 	"engines": {
-		"vscode": "^1.46.0"
+		"vscode": "^1.55.0"
 	},
 	"publisher": "hediet",
 	"keywords": [
@@ -138,7 +138,7 @@
 		"@types/express": "^4.17.2",
 		"@types/serve-static": "^1.13.3",
 		"@types/node": "^13.7.4",
-		"@types/vscode": "1.46.0",
+		"@types/vscode": "1.55.0",
 		"tslint": "^6.0.0",
 		"typescript": "^3.8.2",
 		"webpack": "^4.41.6",
diff --git a/extension/src/VisualizationBackend/ConfigurableVisualizationSupport.ts b/extension/src/VisualizationBackend/ConfigurableVisualizationSupport.ts
index 921ede9..e34ac4f 100644
--- a/extension/src/VisualizationBackend/ConfigurableVisualizationSupport.ts
+++ b/extension/src/VisualizationBackend/ConfigurableVisualizationSupport.ts
@@ -7,7 +7,7 @@ import {
 import { Config, DebugAdapterConfig } from "../Config";
 import { GenericVisualizationBackend } from "./GenericVisualizationSupport";
 import { registerUpdateReconciler, hotClass } from "@hediet/node-reload";
-import { DebuggerViewProxy } from "../proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "../proxies/DebuggerViewProxy";
 
 registerUpdateReconciler(module);
 
@@ -16,7 +16,8 @@ export class ConfigurableVisualizationSupport
 	implements DebugSessionVisualizationSupport {
 	constructor(
 		private readonly config: Config,
-		private readonly debuggerView: DebuggerViewProxy
+		private readonly debuggerView: DebuggerViewProxy,
+		private readonly frameIdGetter: FrameIdGetter
 	) {}
 
 	createBackend(
@@ -29,7 +30,8 @@ export class ConfigurableVisualizationSupport
 		return new ConfiguredVisualizationBackend(
 			session,
 			this.debuggerView,
-			config
+			config,
+			this.frameIdGetter
 		);
 	}
 }
@@ -38,9 +40,10 @@ class ConfiguredVisualizationBackend extends GenericVisualizationBackend {
 	constructor(
 		debugSession: DebugSessionProxy,
 		debuggerView: DebuggerViewProxy,
-		private readonly config: DebugAdapterConfig
+		private readonly config: DebugAdapterConfig,
+		frameIdGetter: FrameIdGetter
 	) {
-		super(debugSession, debuggerView);
+		super(debugSession, debuggerView, frameIdGetter);
 	}
 
 	protected getContext() {
diff --git a/extension/src/VisualizationBackend/GenericVisualizationSupport.ts b/extension/src/VisualizationBackend/GenericVisualizationSupport.ts
index 3f44e89..54b5dd8 100644
--- a/extension/src/VisualizationBackend/GenericVisualizationSupport.ts
+++ b/extension/src/VisualizationBackend/GenericVisualizationSupport.ts
@@ -14,19 +14,22 @@ import {
 import { parseEvaluationResultFromGenericDebugAdapter } from "./parseEvaluationResultFromGenericDebugAdapter";
 import { FormattedMessage } from "../webviewContract";
 import { hotClass, registerUpdateReconciler } from "@hediet/node-reload";
-import { DebuggerViewProxy } from "../proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "../proxies/DebuggerViewProxy";
 
 registerUpdateReconciler(module);
 
 @hotClass(module)
 export class GenericVisualizationSupport
 	implements DebugSessionVisualizationSupport {
-	constructor(private readonly debuggerView: DebuggerViewProxy) {}
+	constructor(
+		private readonly debuggerView: DebuggerViewProxy,
+		private readonly frameIdGetter: FrameIdGetter
+	) {}
 
 	createBackend(
 		session: DebugSessionProxy
 	): VisualizationBackend | undefined {
-		return new GenericVisualizationBackend(session, this.debuggerView);
+		return new GenericVisualizationBackend(session, this.debuggerView, this.frameIdGetter);
 	}
 }
 
@@ -35,9 +38,10 @@ export class GenericVisualizationBackend extends VisualizationBackendBase {
 
 	constructor(
 		debugSession: DebugSessionProxy,
-		debuggerView: DebuggerViewProxy
+		debuggerView: DebuggerViewProxy,
+		frameIdGetter: FrameIdGetter
 	) {
-		super(debugSession, debuggerView);
+		super(debugSession, debuggerView, frameIdGetter);
 	}
 
 	public async getVisualizationData({
@@ -47,7 +51,7 @@ export class GenericVisualizationBackend extends VisualizationBackendBase {
 		| { kind: "data"; result: DataExtractionResult }
 		| { kind: "error"; message: FormattedMessage }
 	> {
-		const frameId = this.debuggerView.getActiveStackFrameId(
+		const frameId = this.frameIdGetter.frameId || this.debuggerView.getActiveStackFrameId(
 			this.debugSession
 		);
 
diff --git a/extension/src/VisualizationBackend/JsVisualizationSupport.ts b/extension/src/VisualizationBackend/JsVisualizationSupport.ts
index 0abd123..04af9ee 100644
--- a/extension/src/VisualizationBackend/JsVisualizationSupport.ts
+++ b/extension/src/VisualizationBackend/JsVisualizationSupport.ts
@@ -10,7 +10,7 @@ import { existsSync, readFileSync, watch } from "fs";
 import { observable, reaction } from "mobx";
 import { window, workspace } from "vscode";
 import { Config } from "../Config";
-import { DebuggerViewProxy } from "../proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "../proxies/DebuggerViewProxy";
 import { DebugSessionProxy } from "../proxies/DebugSessionProxy";
 import { FormattedMessage } from "../webviewContract";
 import {
@@ -29,7 +29,8 @@ registerUpdateReconciler(module);
 export class JsEvaluationEngine implements DebugSessionVisualizationSupport {
 	constructor(
 		private readonly debuggerView: DebuggerViewProxy,
-		private readonly config: Config
+		private readonly config: Config,
+		private readonly frameIdGetter: FrameIdGetter
 	) {}
 
 	createBackend(
@@ -51,7 +52,8 @@ export class JsEvaluationEngine implements DebugSessionVisualizationSupport {
 			return new JsVisualizationBackend(
 				session,
 				this.debuggerView,
-				this.config
+				this.config,
+				this.frameIdGetter
 			);
 		}
 		return undefined;
@@ -65,9 +67,10 @@ class JsVisualizationBackend extends VisualizationBackendBase {
 	constructor(
 		debugSession: DebugSessionProxy,
 		debuggerView: DebuggerViewProxy,
-		private readonly config: Config
+		private readonly config: Config,
+		frameIdGetter: FrameIdGetter
 	) {
-		super(debugSession, debuggerView);
+		super(debugSession, debuggerView, frameIdGetter);
 	}
 
 	private getContext(): "copy" | "repl" {
@@ -112,7 +115,7 @@ class JsVisualizationBackend extends VisualizationBackendBase {
 		| { kind: "not-initialized" }
 	> {
 		try {
-			const frameId = this.debuggerView.getActiveStackFrameId(
+			const frameId = this.frameIdGetter.frameId || this.debuggerView.getActiveStackFrameId(
 				this.debugSession
 			);
 
diff --git a/extension/src/VisualizationBackend/PyVisualizationSupport.ts b/extension/src/VisualizationBackend/PyVisualizationSupport.ts
index 3682b32..aa2e840 100644
--- a/extension/src/VisualizationBackend/PyVisualizationSupport.ts
+++ b/extension/src/VisualizationBackend/PyVisualizationSupport.ts
@@ -15,7 +15,7 @@ import { Config } from "../Config";
 import { parseEvaluationResultFromGenericDebugAdapter } from "./parseEvaluationResultFromGenericDebugAdapter";
 import { FormattedMessage } from "../webviewContract";
 import { hotClass, registerUpdateReconciler } from "@hediet/node-reload";
-import { DebuggerViewProxy } from "../proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "../proxies/DebuggerViewProxy";
 
 registerUpdateReconciler(module);
 
@@ -24,7 +24,8 @@ export class PyEvaluationEngine
 	implements DebugSessionVisualizationSupport {
 	constructor(
 		private readonly debuggerView: DebuggerViewProxy,
-		private readonly config: Config
+		private readonly config: Config,
+		private readonly frameIdGetter: FrameIdGetter
 	) { }
 
 	createBackend(
@@ -39,7 +40,8 @@ export class PyEvaluationEngine
 			return new PyVisualizationBackend(
 				session,
 				this.debuggerView,
-				this.config
+				this.config,
+				this.frameIdGetter
 			);
 		}
 		return undefined;
@@ -52,9 +54,10 @@ export class PyVisualizationBackend extends VisualizationBackendBase {
 	constructor(
 		debugSession: DebugSessionProxy,
 		debuggerView: DebuggerViewProxy,
-		private readonly config: Config
+		private readonly config: Config,
+		frameIdGetter: FrameIdGetter
 	) {
-		super(debugSession, debuggerView);
+		super(debugSession, debuggerView, frameIdGetter);
 	}
 
 	protected getContext(): "watch" | "repl" {
@@ -69,7 +72,7 @@ export class PyVisualizationBackend extends VisualizationBackendBase {
 		| { kind: "data"; result: DataExtractionResult }
 		| { kind: "error"; message: FormattedMessage }
 	> {
-		const frameId = this.debuggerView.getActiveStackFrameId(
+		const frameId = this.frameIdGetter.frameId || this.debuggerView.getActiveStackFrameId(
 			this.debugSession
 		);
 
diff --git a/extension/src/VisualizationBackend/RbVisualizationSupport.ts b/extension/src/VisualizationBackend/RbVisualizationSupport.ts
index 434cede..fd321bb 100644
--- a/extension/src/VisualizationBackend/RbVisualizationSupport.ts
+++ b/extension/src/VisualizationBackend/RbVisualizationSupport.ts
@@ -1,7 +1,7 @@
 import { DataExtractionResult, DataResult } from "@hediet/debug-visualizer-data-extraction";
 import { hotClass, registerUpdateReconciler } from "@hediet/node-reload";
 import { Config } from "../Config";
-import { DebuggerViewProxy } from "../proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "../proxies/DebuggerViewProxy";
 import { DebugSessionProxy } from "../proxies/DebugSessionProxy";
 import { FormattedMessage } from "../webviewContract";
 import { DebugSessionVisualizationSupport, GetVisualizationDataArgs, VisualizationBackend, VisualizationBackendBase } from "./VisualizationBackend";
@@ -12,7 +12,8 @@ registerUpdateReconciler(module);
 export class RbEvaluationEngine implements DebugSessionVisualizationSupport {
 	constructor(
 		private readonly debuggerView: DebuggerViewProxy,
-		private readonly config: Config
+		private readonly config: Config,
+		private readonly frameIdGetter: FrameIdGetter
 	) { }
 
 	createBackend(
@@ -24,7 +25,8 @@ export class RbEvaluationEngine implements DebugSessionVisualizationSupport {
 			return new RbVisualizationBackend(
 				session,
 				this.debuggerView,
-				this.config
+				this.config,
+				this.frameIdGetter
 			);
 		}
 		return undefined;
@@ -36,9 +38,10 @@ class RbVisualizationBackend extends VisualizationBackendBase {
 	constructor(
 		debugSession: DebugSessionProxy,
 		debuggerView: DebuggerViewProxy,
-		private readonly config: Config
+		private readonly config: Config,
+		frameIdGetter: FrameIdGetter
 	) {
-		super(debugSession, debuggerView)
+		super(debugSession, debuggerView, frameIdGetter)
 	}
 
 	private readonly defaultContext = "repl";
@@ -63,7 +66,7 @@ class RbVisualizationBackend extends VisualizationBackendBase {
 		try {
 			if (expression.length === 0) throw new Error("No extractors");
 
-			const frameId = this.debuggerView.getActiveStackFrameId(
+			const frameId = this.frameIdGetter.frameId || this.debuggerView.getActiveStackFrameId(
 				this.debugSession
 			);
 			const initialReply = await this.debugSession.evaluate({
diff --git a/extension/src/VisualizationBackend/VisualizationBackend.ts b/extension/src/VisualizationBackend/VisualizationBackend.ts
index 4c0c509..2ac3a39 100644
--- a/extension/src/VisualizationBackend/VisualizationBackend.ts
+++ b/extension/src/VisualizationBackend/VisualizationBackend.ts
@@ -6,7 +6,7 @@ import { Disposable } from "@hediet/std/disposable";
 import { DebugSessionProxy } from "../proxies/DebugSessionProxy";
 import { CompletionItem, FormattedMessage } from "../webviewContract";
 import { reaction } from "mobx";
-import { DebuggerViewProxy } from "../proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "../proxies/DebuggerViewProxy";
 import { EventEmitter, EventSource } from "@hediet/std/events";
 
 export interface DebugSessionVisualizationSupport {
@@ -44,7 +44,8 @@ export abstract class VisualizationBackendBase implements VisualizationBackend {
 
 	constructor(
 		protected readonly debugSession: DebugSessionProxy,
-		protected readonly debuggerView: DebuggerViewProxy
+		protected readonly debuggerView: DebuggerViewProxy,
+		protected readonly frameIdGetter: FrameIdGetter
 	) {
 		this.dispose.track({
 			dispose: reaction(
diff --git a/extension/src/extension.ts b/extension/src/extension.ts
index fb6deb2..0bb3bed 100644
--- a/extension/src/extension.ts
+++ b/extension/src/extension.ts
@@ -1,4 +1,4 @@
-import { window, ExtensionContext, commands } from "vscode";
+import { window, ExtensionContext, commands, languages } from "vscode";
 import { Disposable } from "@hediet/std/disposable";
 import {
 	enableHotReload,
@@ -16,7 +16,7 @@ import { InternalWebviewManager } from "./webview/InternalWebviewManager";
 import { WebviewServer } from "./webview/WebviewServer";
 import { Config } from "./Config";
 import { DebuggerProxy } from "./proxies/DebuggerProxy";
-import { DebuggerViewProxy } from "./proxies/DebuggerViewProxy";
+import { DebuggerViewProxy, FrameIdGetter } from "./proxies/DebuggerViewProxy";
 import { VisualizationWatchModelImpl } from "./VisualizationWatchModel";
 import {
 	ComposedVisualizationSupport,
@@ -45,28 +45,36 @@ export class Extension {
 		new DebuggerViewProxy(this.debugger)
 	);
 
-	public readonly dataSource = new VisualizationWatchModelImpl(
-		new DispatchingVisualizationBackend(
-			new ComposedVisualizationSupport([
-				new ConfigurableVisualizationSupport(
-					this.config,
-					this.debuggerView
-				),
-				new JsEvaluationEngine(this.debuggerView, this.config),
-				new PyEvaluationEngine(this.debuggerView, this.config),
-				new RbEvaluationEngine(this.debuggerView, this.config),
-				new GenericVisualizationSupport(this.debuggerView),
-			]),
-			this.debuggerView
-		)
-	);
+	constructor() {
+		const frameIdGetter = new FrameIdGetter();
 
-	private readonly server = new WebviewServer(this.dataSource, this.config);
-	private readonly views = this.dispose.track(
-		new InternalWebviewManager(this.server, this.config)
-	);
+		this.dispose.track(
+			languages.registerInlineValuesProvider("*", frameIdGetter)
+		);
+
+		const dataSource = new VisualizationWatchModelImpl(
+			new DispatchingVisualizationBackend(
+				new ComposedVisualizationSupport([
+					new ConfigurableVisualizationSupport(
+						this.config,
+						this.debuggerView,
+						frameIdGetter
+					),
+					new JsEvaluationEngine(this.debuggerView, this.config, frameIdGetter),
+					new PyEvaluationEngine(this.debuggerView, this.config, frameIdGetter),
+					new RbEvaluationEngine(this.debuggerView, this.config, frameIdGetter),
+					new GenericVisualizationSupport(this.debuggerView, frameIdGetter),
+				]),
+				this.debuggerView
+			)
+		);
+
+		const server = new WebviewServer(dataSource, this.config);
+
+		const views = this.dispose.track(
+			new InternalWebviewManager(server, this.config)
+		);
 
-	constructor() {
 		if (getReloadCount(module) > 0) {
 			const i = this.dispose.track(window.createStatusBarItem());
 			i.text = "reload" + getReloadCount(module);
@@ -77,7 +85,7 @@ export class Extension {
 			commands.registerCommand(
 				"vscode-debug-visualizer.new-visualizer",
 				() => {
-					this.views.createNew();
+					views.createNew();
 				}
 			)
 		);
@@ -117,14 +125,14 @@ export class Extension {
 						return;
 					}
 
-					const connections = [...this.server.connections.values()];
+					const connections = [...server.connections.values()];
 					const latestConnection =
 						connections[connections.length - 1];
 
 					if (latestConnection) {
 						latestConnection.setExpression(selectedText);
 					} else {
-						this.views.createNew(selectedText);
+						views.createNew(selectedText);
 					}
 				}
 			)
diff --git a/extension/src/proxies/DebuggerViewProxy.ts b/extension/src/proxies/DebuggerViewProxy.ts
index 6087374..f8ee033 100644
--- a/extension/src/proxies/DebuggerViewProxy.ts
+++ b/extension/src/proxies/DebuggerViewProxy.ts
@@ -1,5 +1,5 @@
 import { Disposable } from "@hediet/std/disposable";
-import { debug, DebugSession } from "vscode";
+import { CancellationToken, debug, DebugSession, InlineValue, InlineValueContext, InlineValuesProvider, ProviderResult, Range, TextDocument } from "vscode";
 import { observable, action } from "mobx";
 import { DebuggerProxy } from "./DebuggerProxy";
 import { DebugSessionProxy } from "./DebugSessionProxy";
@@ -39,3 +39,15 @@ export class DebuggerViewProxy {
 			: undefined;
 	}
 }
+
+export class FrameIdGetter implements InlineValuesProvider, CurFrameIdGetter {
+	frameId: number | undefined;
+	provideInlineValues(document: TextDocument, viewPort: Range, context: InlineValueContext, token: CancellationToken): ProviderResult<InlineValue[]> {
+		this.frameId = context.frameId;
+		return []
+	}
+}
+
+interface CurFrameIdGetter {
+	readonly frameId: number | undefined;
+}
diff --git a/yarn.lock b/yarn.lock
index 9a2dbea..5c231fc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -994,10 +994,10 @@
   dependencies:
     source-map "^0.6.1"
 
-"@types/vscode@1.46.0":
-  version "1.46.0"
-  resolved "https://registry.yarnpkg.com/@types/vscode/-/vscode-1.46.0.tgz#53f2075986e901ed25cd1ec5f3ffa5db84a111b3"
-  integrity sha512-8m9wPEB2mcRqTWNKs9A9Eqs8DrQZt0qNFO8GkxBOnyW6xR//3s77SoMgb/nY1ctzACsZXwZj3YRTDsn4bAoaUw==
+"@types/vscode@1.55.0":
+  version "1.55.0"
+  resolved "https://registry.yarnpkg.com/@types/vscode/-/vscode-1.55.0.tgz#58cfbebbd32b3e374e07e7858b1fd0e92b1a1d2b"
+  integrity sha512-49hysH7jneTQoSC8TWbAi7nKK9Lc5osQNjmDHVosrcU8o3jecD9GrK0Qyul8q4aGPSXRfNGqIp9CBdb13akETg==
 
 "@types/webpack-sources@*":
   version "0.1.6"