"The next version of Adobe Flash Player will offer a variety of new features and enhancements as well as some changes to the current behavior of Flash Player. Some of these changes may require existing content to be updated to comply with stricter security rules. Other changes introduce new abilities that were previously unavailable or restricted by security rules.
Please review the following security-related changes being made to Flash Player 10 beta. Use this list to determine whether you will need to make changes to your existing content for it to function correctly in the next Flash Player release.
Changes that may require action
New security-related features that are available