app.requestSingleInstanceLock

This beta release restores Linux-specific features like `app.setBadgeCount` and `win.setProgressBar`, fixes various crashes and bugs across DevTools, child windows, and session handling, and includes performance improvements for file lookups, API calls, and startup times.

This patch release focuses primarily on bug fixes across various platforms, including validation for protocol names, fixes related to auto-updater, window management, and input handling. Node.js has also been updated to v22.22.1.

This patch release focuses on numerous bug fixes across various platforms, including issues with protocol validation, auto-updater behavior on macOS, instance locking on Windows, and rendering glitches on macOS and Wayland.

This release introduces the new webContents.getOrCreateDevToolsTargetId() method and includes numerous bug fixes related to protocol validation, DevTools menus, instance locking, worker integration, Wayland screen point retrieval, header validation, and permission handling.

This patch release for v38.8.6 includes several bug fixes related to protocol validation, instance locking data serialization on Windows, header validation, and subframe origin handling for permission requests. Note that Electron 38.x.y is now end-of-support.