…and a bunch of secret stuff too.  Hit software update (and get ready to restart?!) for the goods, Apple’s description below.

Summary

QuickTime 7.6 includes changes that increase reliability, improve compatibility and enhance security. This release is recommended for all QuickTime 7 users.

Products Affected

QuickTime

What’s in this update?

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:

For information on the security content of this update, please visit this website:
http://support.apple.com/kb/HT1222

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