I remember having RHEL5 support last month. Okay, so we officially got 2 (!) video fixes but tearing is still there. And more important is that Fedora is still not supported if the bird didn't tell me lies.
This release of the Catalyst® Linux graphics driver introduces support for RedHat Enterprise Linux 5.
The following section provide a brief description of resolved issues with the latest version of the ATI Catalyst™ Linux software suite. These include:
Moving a video window between two monitors in a big desktop configuration no longer crashes the Xserver. Further details can be found in topic number 737-28222
Playing multiple videos at the same time with textured video no longer results in corruption being noticed. Further details can be found in topic number 737-28223
The following section provides a brief description of known issues associated with the latest version of ATI Catalyst™ Linux software suite. These issues include:
Corruption may be observed with certain applications on some Linux distributions which enable the Composite extension by default, e.g., RHEL 5. If you are observing application corruption, please disable the Composite extension. Further details can be found in topic number 737-28224
Using the xgl enabled x-server interface disables display switching hot plug support
Video tearing during playback. Further details can be found in topic number 737-26984
There is no support for video playback on the second head in dual head mode. Further details can be found in topic number 737-26985
Come on AMD, what have you been doing? I hope there were working hard on AIGLX Support so we can have it this year. But the Windows changelog is small, too. Did they fired people in the driver team?