Pro Applications Update 2008-03 includes Compressor 3.0.4 and Qmaster 3.0.4 and is recommended for all users of Final Cut Studio, Final Cut Server, and Logic Studio. According to the release notes, the update addresses an issue with missing clusters in Compressor and Batch Monitor and missing Compressor services in the Apple Qmaster pane of System Preferences. The update weighs in at 64.4 MB and requires OS X 10.5.5 or later.
Final Cut Server Update 1.1.1 "addresses installation issues and general performance issues and improves overall stability." According to the release notes, the update fixes an issue related to uploading files that contain resource forks and provides support for several new metadata groups. Apple's instructions note that users must first install OS X 10.5.5 and QuickTime 7.5.5, followed by Pro Applications Update 2008-03, before installing Final Cut Server Update 1.1.1. The update weighs in at 55.3 MB.