Apple has posted QuickTime 7.3 which addresses security issues and delivers support for creating iPhone-compatible web content
QuickTime 7.3 for Leopard QuickTime 7.3 addresses critical security issues and delivers: - Support for iTunes 7.5 - Updated support for creating iPhone-compatible web content - Updated JavaScript support in the QuickTime Web Plug-in - Numerous bug fixes
This release is recommended for all QuickTime 7 users.