Bump

apps/electron/main.cjs

@@ -36,6 +36,12 @@ const DEFAULT_SETTINGS = {
 
 let mainWindow = null;
 
+// Screen-share source picked by the renderer right before LiveKit's
+// setScreenShareEnabled(true) call triggers getDisplayMedia. The
+// setDisplayMediaRequestHandler reads + clears this on each fire,
+// then resolves the callback with the matching DesktopCapturerSource.
+let pendingScreenSourceSelection = null;
+
 // ───────────────────────────────────────────────────────────────
 // Voice recording — per-participant audio capture
 // ───────────────────────────────────────────────────────────────
@@ -187,6 +193,34 @@ function createWindow() {
         });
     }
 
+    // Electron 20+ refuses navigator.mediaDevices.getDisplayMedia()
+    // unless a handler is registered here. LiveKit's
+    // setScreenShareEnabled(true) hits getDisplayMedia internally,
+    // so without this the renderer sees "NotSupportedError: Not
+    // supported". The renderer pre-stashes its picked source via the
+    // `screen-share:set-pending-source` IPC, then triggers the LiveKit
+    // call — we read + clear the pending selection here.
+    mainWindow.webContents.session.setDisplayMediaRequestHandler(async (_request, callback) => {
+        const pending = pendingScreenSourceSelection;
+        pendingScreenSourceSelection = null;
+        if (!pending) {
+            callback({});
+            return;
+        }
+        try {
+            const { desktopCapturer } = require('electron');
+            const sources = await desktopCapturer.getSources({ types: ['window', 'screen'] });
+            const source = sources.find(s => s.id === pending.sourceId);
+            if (!source) { callback({}); return; }
+            callback({
+                video: source,
+                audio: pending.includeAudio ? 'loopback' : undefined,
+            });
+        } catch {
+            callback({});
+        }
+    }, { useSystemPicker: false });
+
     if (settings.isMaximized) {
         mainWindow.maximize();
     }
@@ -634,6 +668,13 @@ app.whenReady().then(async () => {
         }));
     });
 
+    ipcMain.handle('screen-share:set-pending-source', (_event, payload) => {
+        pendingScreenSourceSelection = payload && typeof payload.sourceId === 'string'
+            ? { sourceId: payload.sourceId, includeAudio: !!payload.includeAudio }
+            : null;
+        return true;
+    });
+
     // Crypto Handlers
     const crypto = require('crypto');