Apple has updated its Final Cut Studio 2 suite of applications, bringing Leopard compatibility and specific fixes to the set of video and audio editing tools. They're available via Software Update or as stand-alone downloads.
 (a ) rolls in numerous improvements and compatibility updates, such as support for Sony XDCAM EX footage, the Sony HVR-V1 HDV camera, Sony HDV cameras that record to internal hard disks, the AVC-Intra footage format, and DVCPRO HD 720p50 footage. Support for the AVCHD format has been improved as well, though spanned clips ingested in Final Cut Pro 6.0.1 may need to be re-ingested. Other improvements include support for 60 fps drop frame timecode, 50p video formats, and Broadcast Wave Format (BWF) iXML metadata; new Motion templates; and a host of other fixes. Note that Final Cut Pro 6.0.2 projects are not backward compatible with Final Cut Pro 6.0.1.
The other updates aren't as involved, but include welcome changes nonetheless. Motion 3.0.2 (a ) adds support for 50 fps frame rates and 60 fps drop frame projects, and also improves performance in Motion master templates used in Final Cut Pro. (a ) fixes issues with audio effects and adds support for 50 fps and 720p60 Final Cut Pro projects.  (an ) provides native support for more HDV and H.264 formats and fixes problems with processing still images and using multiple tapes in a DLT drive under Mac OS X 10.4.10.
Compressor 3.0.2 (a ) adds a Color tab in the Filters pane of the Inspector. Lastly, the Pro Applications Update 2007-02 (an ) fixes underlying frameworks and shared components that affect these applications. (a ) improves its support for the new formats in Final Cut Pro 6.0.2, addresses problems with round-trip operation between Color and Final Cut Pro, and fixes a number of other issues.  (a ) addresses bugs and limitations such as improper length values in pull lists, message text in exported lists, and support for PDF formatting.