Following last week's Ubuntu 10.10 Alpha 3 release but landing before the Ubuntu 10.10 "Maverick Meerkat" feature freeze this week were a number of last-minute features like X Server 1.9 integration and other updated packages along with the committing of the revamped Ubuntu desktop installer to Maverick. Via this revamped Ubuntu installer it's possible to install proprietary bits directly like support for MP3 audio files and proprietary graphics drivers.