| Flash Player 9 Update 3 contains several new features:
Support for H.264 video and HE-AAC audio codecs (new Aug. 21).
Enhancements to full-screen mode to use hardware scaling for improved video performance and quality on systems running Windows 2000 and newer or Mac OS X 10.2 and newer.
Faster rendering of vector graphics on multi-core CPUs.
Higher quality and performance for downscaling large bitmaps (SWF 9 only).
Support for caching common platform components, such as the Flex framework, to reduce average application sizes. This feature is enabled in the Flex 3 beta available on Adobe Labs.
Support for full-screen mode on Linux.
Also included in this update:
Recursive calling to and from JavaScript via the ExternalInterface API is now permitted (not available in Opera or Netscape).
Runtime errors can now be thrown from JavaScript to ActionScript via the External Interface API.
HTTP requests from the Flash Player ActiveX Control in some versions of Internet Explorer did not include the Accept-Language header. The ActiveX Control now always inserts this header.
Support for Microsoft Active Accessibility (MSAA) in the Windows plug-in.
Known Issues
The Real Player 11 beta is known to cause issues with some Flash and Flex content. Content may fail to render, or the browser may crash. If you have Real Player 11 beta installed, please disable the add-on to ensure issues you encounter are with Flash Player and not the Real Player beta.
o In Firefox, go to Tools->Add-ons and disable the "Real Player Browser Record Add-on."
o In Internet Explorer, go to Tools->Internet Options->Programs->Manage Add-ons and disable the "RealPlayer Download and Record Plugin for Internet Explorer."
Opera and Netscape do not allow recursive calls using the ExternalInterface API into the Flash Player. This issue has been reported to Opera and Netscape. (184777)
If FlashPlayerTrust is mistakenly created as a file, the Flex profiler will crash. Please ensure FlashPlayerTrust is properly configured as a directory. (203879)
Fixed Issues
When creating a "playlist" consisting of an MP3 stream preceded by an FLV stream of the same sample rate, the MP3 audio does not play back correctly. (207964)
H.264 support and full-screen hardware scaling on the Linux platform are at alpha quality.
The performance of the H.264 feature is beta quality and has not yet been optimized, so the minimum system requirements for 480p, 720p and 1080p playback are not available for beta. The minimum system requirements for viewing H264-based content will be similar to other media players supporting H264 in the market today for the final release.
H.264 files using the loop filter flag render with artifacts on multi-core systems.
In full-screen mode on Linux, playing odd-width movies (with screen widths not divisible by 16) may cause a crash.
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