Apple has released QuickTime 7.1 via its Software Update utility and on the Web. Of the update, Apple says: “QuickTime 7.1 delivers numerous important bug fixes and addresses critical security issues. This update is highly recommended for all QuickTime 7 users.” In addition, “Installation of QuickTime 7 will disable the QuickTime Pro functionality in prior versions of QuickTime, such as QuickTime 5 or QuickTime 6. If you proceed with this installation, you must purchase a new QuickTime 7 Pro key to regain QuickTime Pro functionality.”