Adobe Flash Player has been released, this new version use new Stage Video API which give much advantage of hardware acceleration,here they are some new features taken from it's official website (

Stage Video hardware acceleration New
Leverage complete hardware acceleration of the video rendering pipeline with this new method for video playback. Dramatically decrease processor usage and enable higher frame rates, reduced memory usage, and greater pixel fidelity for best-in-class high-definition (HD) playback performance.

Sub-pixel text rendering Enhanced

Experience improved readability of text in Flash Player, especially for complex character-based languages

Native custom mouse cursors New
Define custom native mouse cursors to enable user experience enhancements and improved performance.
Support for full screen mode with multiple monitors
Keep content in full-screen mode on multiple monitors, allowing you to see full-screen content while working on another display.
Adobe Flash Player Download
you can go to  to download and install/upgrade Adobe Flash Player 10.2.159 on your Desktop, you can choose different way to install it, but my suggestion select "APT for Ubuntu 9.04+" if you are using ubuntu, because your browser will automatic install it  through APT web.