The only new "feature" for Catalyst 10.3 is official early-look support for Red Hat Enterprise Linux 5.5. Red Hat pushed out the first beta of RHEL 5.5 earlier this month with enhancements to KVM (the Kernel-based Virtual Machine) and new WiFi drivers along with other general improvements. The general availability release of Red Hat Enterprise Linux 5.5 is expected sometime in the coming months.
There are a handful of resolved issues and they include:
- [RHEL] System now resumes into X window properly and no longer hangs during exit on BigDesktop configuration
- [Catalyst Control Center] Customized modes under the HDTV page will now apply properly
- [Redhat 64-bit] X-server now launches properly on systems configured with more than 4 GPUs
- [RHEL] Restarting X-server after applying "HDTV" modes no longer causes the screen to go blank
- Corruption no longer visible on second screen after launching fullscreen 3D game in Dual-Head mode
- TV horizontal size change will now be applied when utilizing XRandR to change TV geometry
- Catalyst Control Center will now recognize hotplugged external display without restarting X
- Running fullscreen OGL applications no longer causes X to switch from Dual-Head mode to Clone mode with game launching on both primary and secondary displays
There still is a handful of official known issues, as mentioned in the Catalyst 10.3 Linux release notes. Judging by our Unigine Heaven Linux testing with the Catalyst 10.4 Linux driver as found in Ubuntu 10.04 LTS, there's likely a few bugs to be found when running this impressive tech demo, unless they happened to regress just prior to the fglrx 8.72 hand-out for the Lucid Lynx. Hit up this thread for the Catalyst 10.3 Linux download link.