Quicktime 7.6 update

Apple has released Quicktime 7.6 with video, audio, compatibility and security improvements.

From Apple's support page, the updates include:

Video:

Improves single-pass H.264 encoding quality

Increases the playback reliability of Motion JPEG media

Audio:

Improves AAC encoding fidelity

Audio tracks from MPEG video files now export consistently

Application Support:

Improves compatibility with iChat and Photo Booth

Security:

Addresses security issues from maliciously crafted media files

This update benefits both Mac OS X and Windows users.

Get the 7.6 update through Apple Software Update or get it from Apple's download section.