Apple has posted
Final Cut Pro 5 Updates, aimed at all applications included with Final Cut Pro 5 — Final Cut Pro 5 itself, Cinema Tools 3, LiveType 2 and Compressor 2. The 85MB download is available from Apple’s Downloads Web site.
The updates provide “improved reliability,” according to Apple, which offered no other details about what’s changed in the new release.
System requirements call for Mac OS X v10.3.9 or later, Final Cut Pro 5.0 and QuickTime 7.0 or later.