"Adobe® Flash® Player 11 desktop release candidate drives innovation for rich, engaging digital experiences with new features for cross-platform browser-based viewing of expressive rich internet applications, content, and videos across devices. Some of the features from the Flash Player Incubator, such as Stage 3D and 64-bit support, have been moved into this release."

Adobe Flash Player 11 Release Candidate for Desktops | applications, content and videos - Adobe Labs