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

This release is published to npm under the beta tag and can be installed via npm install electron@beta, or npm install electron@45.0.0-beta.4.

Release Notes for v45.0.0-beta.4

Breaking Changes

Changed heap profiling in contentTracing recordings to now use a perfetto heap-profiling data source. #54863

Added support for Notification action buttons on Linux. #54889 ^{(Also in 44)}

Fixed a crash on Linux at startup or on theme change with GTK modules loaded. #55017
Fixed a macOS File System Access blocklist bypass via /System/Volumes/Data paths. #54678
Fixed mouse cursor missing over native dialogs in certain scenarios on Windows. #54878
Fixed net.fetch and session.fetch failing permanently with net::ERR_FAILED after the Network Service process restarts. #54910 ^{(Also in 42, 43, 44)}
Fixed utilityProcess dropping messages posted with process.parentPort.postMessage() right before the process exits. #54956 ^{(Also in 42, 43)}
Fixed webContents.executeJavaScript() with userGesture set not granting browser-side user activation, which could make activation-gated APIs fail. #54959
Fixed win.isFullScreen() being stale in fullscreen events on Windows. #55008 ^{(Also in 44)}