What's new in the WebKitGTK+ 2.21.3 release? ============================================ - Ensure memory monitor properly notifies all child processes. - Add maximize, minimize and fullscreen window commands to WebDriver. - Fix a network process crash when trying to get cookies of about:blank page. - Fix UI process crash when closing the window under Wayland. - Disable Gigacage if mmap fails to allocate in Linux. - Fix several crashes and rendering issues.