NightShift automatically downloads and updates WebKit, the Safari HTML rendering engine, to the latest nightly version. No user intervention is required, everything is fully automated.

• Downloads WebKit nightly build from Web server
• Mounts the disk image
• Creates a backup of the previous version on disk
• Copies the new nightly build to its default location
• Launches the new version of WebKit
• Option to undo latest install and revert to last version
• Option to show the change log for past week

• Downloads the new numbered nightlies
• Removed the change log option (use the RSS feed instead)

Requirements