Electron v42.10.0

Release Notes for v42.10.0

Features

• Fixed contentTracing module to capture Node.js trace categories. #52973

Fixes

• Fixed DevTools device metrics overrides persisting indefinitely when a remote debugging client disconnected without clearing them. #53133 (Also in 43, 44)
• Fixed DevTools popup and context menus not appearing when DevTools is hosted in a custom window via webContents.setDevToolsWebContents(). #52981 (Also in 43, 44)
• Fixed BrowserWindow.unmaximize() and restore() having no effect on Wayland when the window was maximized immediately after creation. #53126 (Also in 44)
• Fixed Uncaught illegal access errors and possible renderer crashes after closing a same-process child window or removing an iframe with nodeIntegrationInSubFrames enabled. #53042 (Also in 44)
• Fixed dialog.showOpenDialog/dialog.showSaveDialog opening at an unusable location on Linux when defaultPath is a bare filename without a directory. #52980 (Also in 43, 44)
• Fixed a crash on Linux when the D-Bus session bus disconnected while the app was running, such as at logout or when dbus is restarted. #53094 (Also in 43, 44)
• Fixed a crash on Windows when V8 posted a delayed worker task during shutdown. #53014 (Also in 43)
• Fixed a crash with app.setLoginItemSettings if a non-UTF8 service name is used. #52989 (Also in 43, 44)
• Fixed a possible crash (SIGABRT) during process exit when the process had loaded tls/https shortly before exiting, affecting app.exit() before ready and short-lived ELECTRON_RUN_AS_NODE / child_process.fork() scripts. #52992 (Also in 43, 44)
• Fixed a possible main process crash at quit when a session was created from JavaScript that runs during shutdown. #53132 (Also in 43, 44)
• Fixed a rare crash in the main process when DevTools were opened and a garbage collection ran before the DevTools frontend finished loading. #52994 (Also in 43, 44)
• Fixed a renderer crash when a page calls SpeechRecognition.available() or SpeechRecognition.install() with processLocally. #53016 (Also in 43, 44)
• Fixed an issue on Linux where the system theme color appeared at the top edge of frameless windows. #52978 (Also in 41, 43)
• Fixed an issue where some values passed into requestSingleInstanceLock could result in a crash. #52982 (Also in 43, 44)
• Fixed crash in sharedTexture module when GPU context becomes unavailable. #52983 (Also in 43, 44)
• Fixed document title updates when using back/forward navigation using the same document without utilizing browserWindow.setTitle(). #53099 (Also in 43, 44)
• Fixed the built-in PDF viewer not rendering documents in in-memory sessions (partitions without the persist: prefix). #52990 (Also in 43, 44)
• Fixed titleBarOverlay.color set to rgba(0,0,0,0) failing back to default frame color. #52976 (Also in 41, 43)
• Fixed utility process crashes at exit on Windows 11 24H2 and later. #53091 (Also in 43, 44)

Other Changes

• Backported fixes from upstream Chromium and V8. #53060
• Fixed a 1-in-200 chance per renderer process on Windows of scripts on the first page load being compiled without their V8 code cache. #52988 (Also in 43, 44)
• Fixed a Windows x64 renderer performance regression introduced in 42.8.1 that made style/layout work (and app startup) noticeably slower. #53064
• Fixed a stall of tens of milliseconds while creating the first BrowserWindow on Linux.
  • Improved the performance of file lookups inside ASAR archives and of large files served from them to the renderer.
  • Improved the performance of calls through contextBridge-exposed APIs.
  • Reduced the main-thread cost of sending large values through ipcRenderer, ipcMain handlers and webContents.send. #53019 (Also in 43, 44)
• Improved startup time of utilityProcess.fork(), child_process.fork() / ELECTRON_RUN_AS_NODE child processes and Node.js-enabled renderers. #53136 (Also in 43, 44)
• Linux arm64, Windows arm64 and macOS x64 builds now start the main process from the embedded Node.js startup snapshot like the other platforms, improving startup time. #52880 (Also in 43, 44)