Apple has released Pro Applications Update 2008-04, which also includes and update for Final Cut Pro (v6.0.5).

The Pro Applications Update improves reliability for Apple's professional applications and is recommended for all users of Final Cut Studio, Final Cut Server, and Logic Studio. Pro Applications Update 2008-04 addresses general performance issues and improves overall stability.

Applications included in the update are: Final Cut Pro 6.0.5, Compressor 3.0.5, Color 1.0.3 and Shake 4.1.1.

Final Cut Pro v6.0.5 Release Notes:

• Improved High-Precision Rendering: If you render sequences using the high-precision video processing setting, make sure to update to Final Cut Pro 6.0.5 for improved reliability when rendering still images and footage in high-resolution formats.
• Extended Metadata Support for the Panasonic AG-HMC150 Camcorder: Final Cut Pro 6.0.5 captures the additional metadata for footage recorded with the Panasonic AG-HMC150 professional AVCHD camcorder.
• Improved Support for the Panasonic HDC-SD9 Camcorder: Final Cut Pro 6.0.5 provides enhanced precision and reliability when ingesting files from the Panasonic HDC-SD9 camcorder.
• Improved Support for Metadata Imported from P2 Cards: Final Cut Pro 6.0.5 provides support for extended metadata that is captured on P2 cards.