fixes #114990

src/vs/workbench/contrib/debug/browser/debugSession.ts

@@ -1018,8 +1018,8 @@ export class DebugSession implements IDebugSession {
 			this._onDidProgressEnd.fire(event);
 		}));
 		this.rawListeners.push(this.raw.onDidInvalidated(async event => {
-			if (!(event.body.areas && event.body.areas.length === 1 && event.body.areas[0] === 'variables')) {
-				// If invalidated event only requires to update variables, do that, otherwise refatch threads https://github.com/microsoft/vscode/issues/106745
+			if (!(event.body.areas && event.body.areas.length === 1 && (event.body.areas[0] === 'variables' || event.body.areas[0] === 'watch'))) {
+				// If invalidated event only requires to update variables or watch, do that, otherwise refatch threads https://github.com/microsoft/vscode/issues/106745
 				this.cancelAllRequests();
 				this.model.clearThreads(this.getId(), true);
 				await this.fetchThreads(this.stoppedDetails);