Note: This is an alpha release. Please file new issues for any bugs you find in it.

This release is published to npm under the alpha tag and can be installed via npm install electron@alpha, or npm install electron@22.0.0-alpha.1.

Release Notes for v22.0.0-alpha.1

Features

• Added WebContents input-event event.
  • Deprecated BrowserWindow scroll-touch-* events. #35531
• Added LoadBrowserProcessSpecificV8Snapshot as a new fuse that will let the main/browser process load its v8 snapshot from a file at browser_v8_context_snapshot.bin. Any other process will use the same path as is used today. #35266 (Also in 20, 21)
• Added WebContents.opener to access window opener.
  • Added webContents.fromFrame(frame) to get the WebContents corresponding to a WebFrameMain instance. #35140 (Also in 21)
• Added app.getSystemLocale() method. #35697 (Also in 21)
• Added contextBridge.exposeInIsolatedWorld(worldId, key, api) to expose an API to an isolatedWorld within a renderer from a preload script. #34974
• Added webContents.close() method. #35509
• Added webFrameMain.origin. #35438 (Also in 19, 20, 21)
• Added new WebContents event content-bounds-updated. #35533
• Added new WebContents.ipc and WebFrameMain.ipc APIs. #34959 (Also in 21)
• Added support for Web Bluetooth pin pairing on Linux and Windows. #35416 (Also in 21)
• Added support for navigator.mediaDevices.getDisplayMedia via a new session handler, ses.setDisplayMediaRequestHandler. #30702

Fixes

• Added a background to the WCO container to avoid rendering glitches. #35569 (Also in 19, 20, 21)
• Added support for Webauthn discoverable keys (aka resident keys), allowing users to authenticate without first having to select or type a username. #35374
• Added support for Windows drop-down dialog extensions. #35618 (Also in 18, 19, 20)
• Enable WCO maximize button when window enters tablet mode and is not already maximized. #35617 (Also in 19, 20, 21)
• Fixed uv_os_gethostname failing on Windows 7. #35702 (Also in 19, 20, 21)
• Fixed a bug where calling atob in the renderer process could fail under some circumstances. #35415 (Also in 19, 20, 21)
• Fixed a crash that occured when loading non-standard schemes from iframes. #35485 (Also in 21)
• Fixed a crash when switching origins with emulation settings set. #35466 (Also in 21)
• Fixed a potential crash on WebWorker destruction. #35422 (Also in 19, 20, 21)
• Fixed an edge case in app.isInApplicationsFolder() which would return false incorrectly in some cases. #35636 (Also in 19, 20, 21)
• Fixed an issue where DevTools could not be docked with Windows Control Overlay enabled. #35754 (Also in 19, 20, 21)
• Fixed an issue where WCO could occlude DevTools opened in any non-detached mode. #35209 (Also in 18, 19, 20, 21)
• Fixed an issue where screen.getCursorScreenPoint() crashed on Wayland when it was called before a BrowserWindow had been created. #35503 (Also in 21)
• Fixed an issue where serialPort.open() failed with NetworkError: Failed to open serial port.. #35306 (Also in 21)
• Fixed an issue where app.relaunch loses args when execPath is specified. #35108 (Also in 19, 20, 21)
• Fixed an issue where frameless resizable windows showed Window 7 style frames while opening. #35189 (Also in 18, 19, 20, 21)
• Fixed an issue where frameless windows with roundedCorners: false couldn't enter fullscreen without crashing. #35421 (Also in 19, 20, 21)
• Fixed an issue where part of the BrowserView could be cut off when calling setBounds on some windows. #34713 (Also in 19, 20, 21)
• Fixed an issue with incomplete EventEmitter object in sandboxed renderer preload script. #35522
• Fixed crash in renderer when resuming system from sleep. #35322 (Also in 18, 19, 20, 21)
• Fixed enable promise support with webFrameMain.executeJavaScript. #35292 (Also in 20, 21)
• Fixed issue with history.back() in sandboxed iframes affecting parent browsing context. #35420 (Also in 19, 20, 21)
• Fixed session.getBlobData never resolves with blob sizes > 65536. #35277 (Also in 19, 20, 21)
• Fixed undefined details.requestingUrl from session.setPermissionCheckHandler. #35281 (Also in 20, 21)
• Fixed: If a custom Electron build contains an electron.d.ts file, it is now being used. #33979 (Also in 20, 21)
• Picture-In-Picture mode no longer becomes a red rectangle on hover. #35034 (Also in 19, 20, 21)
• Provided display_id for desktopCapturer on Linux. #33861
• Usage of safeStorage now consistently uses the correct service name on macOS regardless of timing with browser window construction. #34683 (Also in 19, 20)

Other Changes

• Bumps the minimum required version of Node.js needed to install Electron to 12.20.55. #35301
• Fixed win.getBrowserViews() not being updated when a BrowserView was moved to a different window. #35511
• Fixed an issue where some spellcheck functionality would incorrectly throw errors on macOS. #35514 (Also in 21)
• Modified the WCO maximized button style to match Windows 11 more closely. #35370
• The deprecated new-window event has been removed. #34526
• Updated Chromium to 107.0.5286.0. #35590
• Updated Node.js to v16.17.1. #35800

Documentation

• Documentation changes: #35283, #35324, #35413, #35525, #35563

Unknown

• Fixed a typo in the section on debugging with VSCode. #35256 (Also in 19, 20, 21)