Apple has released an essential application update for its pro video software customers, Pro Application Support 2.0.

This software is required in order to access future upgrades of Apple's video applications, which include Final Cut Pro HD, Cinema Tools, Compressor, LiveType, Soundtrack, and DVD Studio Pro.

Apple says: "This update provides improvements for Apple's professional applications and is strongly recommended for all users."

The new software is a 2.6MB download through Software Update.