Feature Changes
* Show Real Guide when RealPlayer opens without any media loaded
* 64-bit browser plug-in for Snow Leopard. (See Known Issues)
* Snow Leopard (Mac OS X 10.6) Compatibility

Bug fixes
* RealPresenter presentations would not play slides (#227715)
* SMIL files not playing RealPix files (#228689)
* Player Vulnurability: Compressed Gif Integer overflow vulnurability (Credit: iDefense) (#231550)
* Uninstall of Adobe Flash and play FLV files resulted in Crash. (#242579)
* New Player window occasionally launches under the menu bar. (#241889)

Known Issues
* The RealPlayer browser plugin on 64-bit Safari will only play audio or video content in RealPlayer, and not in the web browser. 64-bit Safari will display a link to open any Real content in RealPlayer. This only affects users running Safari in 64-bit mode. To play media content using the Real browser plug-in inside the browser, please use Safari in 32-bit mode.

• New RealPlayer Downloader lets you download Flash Video files from Safari or Firefox browsers.
• Playback of Flash Videos
• Windows Media content (such as .wmv and .wma files) can now be played
• PerfectPlay (with LivePause) feature added
• PlayNow feature added
• Playlist window added
• Dock and plug-in menu volume items now specify 25% increments
• Dock icon shows playback position
• Favorites window search box
• Favorites menu sorted when Option key down
• Favorites window column sizes remembered
• Icons shown for favorites and recent items
• Clip Info window has "Show File" button for local files
• Clip Info window displays four-character codec identifiers
• Find enabled for license agreement and release notes window.
• Transport preferences sheet now has http-only button
• Media types tracked by Uniform Type Identifier groups
• Default application set and controlled in Media Types preferences (10.4 required)
• Minor auto-update improvements
• Minor subscription sign-in improvements
• QuickTime playback supports frame advance/reverse with left/right arrow keys
• QuickTime support uses QTKit on 10.4
• Automatic Bandwidth Detection support for some streams
• Internet Connection (Bandwidth) Test

• Download and play Flash video
• PerfectPlay enabled pausing and seeking within live clips
• Playlist window
• Stabilized audio and video playback

This 10.1 build 490 version of RealPlayer is recommended for all users. It contains all prior security updates and is a Universal Binary. This version also fixes some autoupdating problems with RealAudio 3.0 on Intel Macs, and fixes some problems with autoupdating for certain 3gpp content.