Release Notes for v8.4.0

Features

Added new render-process-gone event on app to replace the renderer-process-crashed event. #24314
Added new render-process-gone event to replace the crashed event. #24308
Added support for suspend and resume events to Windows. #24282
Added support for suspend and resume events to macOS. #24295
Added tracing instrumentation to WebContents IPC methods, available with the contentTracing category "electron". #24307
Expose sessionId associated with a target from debugger module. #24399
Implemented systemPreferences.getMediaAccessStatus() on Windows. #24313

Backported fixes for UAF in extensions (CVE-2020-6454 and NOCVE). #24419
Fixed an intermittent high-CPU usage problem caused a system clock issue during sleep. #24414
Fixed an issue where some old notifications were not properly removed from the Notification Center on macOS. #24405
Fixed bug on macOS where the main window could be targeted for a focus event when it was disabled behind a modal. #24353