Apple has released the International English version of QuickTime 5.0.2.
The newest version offers the improved Sorenson Video 3 Codec. This wasn't ready in time for inclusion in QuickTime 5.0. Other features have not been revealed.
Improved features in QuickTime 5 include a Component Downloader, for adding plug-ins and updates. Version 5 supports numerous codecs and file formats, including Macromedia Flash 4, MPEG-1 and On2. Additionally, it offers 360-degree cubic virtual-reality.