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@37.0.0-alpha.2.

Release Notes for v37.0.0-alpha.2

Breaking Changes

• Removed deprecated feature of creating a new random session by setting ProtocolResponse.session's property to null. #46264

Features

• Added BrowserWindow.isSnapped() to indicate whether a given window has been arranged via Snap. #46079 (Also in 36)
• Added ffmpeg.dll to delay load configuration. #46151 (Also in 34, 35, 36)
• Added nativeTheme.shouldUseDarkColorsForSystemIntegratedUI to distinguish system and app theme. #46438 (Also in 35, 36)
• Added scriptURL property to ServiceWorkerMain. #45863
• Added a CSS rule for smooth corners. #45185
• Added support for Autofill, Writing Tools and Services macOS level menu items in context menus via the new frame option in menu.popup. #45138 (Also in 36)
• Added support for Web Serial & WebUSB blocklists. #46600
• Added support for system-context-menu on Linux. #45848 (Also in 36)

Fixes

• Fix: don't copy 'package.json's out of ASAR file. #46390 (Also in 35, 36)
• Fix: osr stutter fix backport for electron. #46650 (Also in 36)
• Fixed ElectronAccessibilityUI bug. #46562 (Also in 33, 34, 35, 36)
• Fixed Minimize menu button to follow set window minimizability on Windows. #46279 (Also in 34, 35, 36)
• Fixed NODE_OPTIONS parsing for child processes on macOS. #46209 (Also in 34, 35, 36)
• Fixed electron.shell.openExternal and electron.shell.openPath to honor user-defined system defaults on Linux. #45310 (Also in 33, 34, 35, 36)
• Fixed getNativeWindowHandle() crash that affected 36 betas on macOS. #46733 (Also in 36)
• Fixed a bug that could cause some maximized windows on Linux to report an incorrect window state. #46450 (Also in 34, 35, 36)
• Fixed a crash seen on Linux when calling webContents.print(). #46087 (Also in 35, 36)
• Fixed a crash that could occur when dragging and dropping files into the browser. #46253 (Also in 35, 36)
• Fixed a possible BrowserWindow crash caused by closing a parent window with focus or blur events. #46559 (Also in 34, 35, 36)
• Fixed a possible crash in shell.readShortcutLink. #46294 (Also in 36)
• Fixed a possible crash using Node.js on some arm32 devices. #46435 (Also in 35, 36)
• Fixed a possible crash when using navigator.bluetooth.requestDevice and the select-bluetooth-device event. #46745 (Also in 34, 35, 36)
• Fixed a potential crash in parentPort. #46437 (Also in 34, 35, 36)
• Fixed a potential crash in utilityProcess.postMessage when calling with an invalid transferable. #46639 (Also in 35, 36)
• Fixed a potential crash when closing a window with child windows. #46758 (Also in 34, 35, 36)
• Fixed an error when calling window.emit('close') after toggling fullscreen mode. #46605 (Also in 35, 36)
• Fixed an inverted conditional in the above PR that caused broken window borders in some circumstances on Wayland. #46624 (Also in 33, 34, 35, 36)
• Fixed an issue where Node.js OOM errors terminate the process directly without raising an OOM exception. #45895 (Also in 35, 36)
• Fixed an issue where Web Workers crashed on unhandled rejections. #45992 (Also in 34, 35, 36)
• Fixed an issue where context-menu event weren't emitted as expected on Windows in draggable regions. #45851 (Also in 34, 35, 36)
• Fixed an issue where navigationHistory.restore() failed to restore the userAgent if it was overridden. #46260 (Also in 34, 35, 36)
• Fixed an issue where system-context-menu incorrectly fired for all regions in frameless windows. #45893 (Also in 33, 34, 35, 36)
• Fixed an issue where webContents.printToPDF() didn't work as expected with cross-process subframes. #46218 (Also in 34, 35, 36)
• Fixed an issue where badly formatted switches could cause crashes in app.commandLine functions. #46004 (Also in 35, 36)
• Fixed an issue where calling UtilityProcess.fork prior to the app ready event would cause a crash. #46380 (Also in 34, 35, 36)
• Fixed an issue where context menu actions such as copy/paste did not correctly fire when a frame was not passed in. #46595 (Also in 36)
• Fixed an issue where packages could be mistakenly not found in asar. #45997 (Also in 35, 36)
• Fixed an issue where snapped windows in Windows may sometimes be improperly restored. #46006 (Also in 33, 34, 35, 36)
• Fixed an issue where the backgroundMaterial feature did not work in a frameless window on initial window creation. #46657 (Also in 36)
• Fixed an issue where the resizing border didn't work as expected on Wayland windows. #46155 (Also in 33, 34, 35, 36)
• Fixed an issue where utility processes crashed on unhandled rejections. #45921
• Fixed an issue with --inspect-brk failing in packaged apps. #46560 (Also in 35, 36)
• Fixed an issue with the assert Node.js module in the renderer process. #46528 (Also in 35, 36)
• Fixed an issue with token formatting for tokens received after calling pushNotifications.registerForAPNSNotifications(). #46101 (Also in 34, 35, 36)
• Fixed build error with enable_electron_extensions=false. #46812 (Also in 34, 35, 36)
• Fixed build failure when building with printing disabled. #46283 (Also in 34, 35, 36)
• Fixed case where file dialog filters would get mixed up, if a * filter was included. #46660 (Also in 34, 35, 36)
• Fixed crash on Linux when PipeWire screenshare source selection is cancelled. #46112 (Also in 35, 36)
• Fixed crash on application exit with pending app.getGPUInfo promise. #46434 (Also in 34, 35, 36)
• Fixed crash on reconversion with google IME and editcontext on macOS. #46688 (Also in 34, 35, 36)
• Fixed crash when renderer process crashes while webview is reloading. #46735 (Also in 34, 35, 36)
• Fixed crash with out-of-bounds string read when parsing NODE_OPTIONS. #46210 (Also in 34, 35, 36)
• Fixed flickering and ghosting artifacts in transparent windows on macOS. #46353 (Also in 35, 36)
• Fixed incorrect titlebar in file save dialogs. #46067 (Also in 33, 34, 35, 36)
• Fixed memory leak in AutofillPopupView. #46384 (Also in 34, 35, 36)
• Fixed several paint and white flash issues on macOS. #46615 (Also in 35, 36)
• Fixed the border style of windows with vibrancy on macOS. #46648 (Also in 35, 36)
• Fixed the issue where maximizing and restoring the window does not respect the corner radius settings, and the corner radius is incorrect in fullscreen mode. #46641 (Also in 35, 36)
• Fixed the issue where rounded corners disappear momentarily when closing on Windows 11. #46382 (Also in 35, 36)
• Fixed title changes to not occur while navigating within a page. #45981 (Also in 34, 35, 36)
• Improved webContents loading time when resolving fonts for uncommon scripts. #45905 (Also in 34, 35, 36)
• Microtasks are no longer (incorrectly) run by serializing values, including when sending IPC. #46668 (Also in 34, 35, 36)
• When a menu item on macOS is disabled (enabled = false), it is now greyed out. #46307 (Also in 34, 35, 36)

Other Changes

• Backported fix for 401059730. #45936
• Backported fix for 401059730. #45941
• Deprecated NativeImage.getBitmap() and fixed incorrect documentation. #46696 (Also in 36)
• Fixed an issue where Electron could fail to load on some older Linux distributions. #45974 (Also in 34, 35, 36)
• Fixed an issue where printing from the renderer process crashes the main process when no printers are installed in the system or there's not a default printer. #46587 (Also in 34, 35, 36)
• Improved ASAR integrity checks on Windows. #46509 (Also in 36)
• Improved performance of desktopCapturer.getSources when not requesting thumbnails on macOS. #46138 (Also in 34, 35, 36)
• Updated Chromium to 137.0.7151.0. #46854

Documentation

• Documentation changes: #46073, #46130

Unknown

• Reverts a change that greyed out disabled menu items on macOS (#46307). #46502 (Also in 34, 35, 36)