After some delay, AMD has now finally released the first Catalyst driver of 2009. Coming with the v8.573 display drivers, the Catalyst 9.1 works with almost every Radeon card since the 9500 model and features full OpenGL 3.0 support, plus a lot of bug fixes which are listed below.

Resolved issues for Windows Vista and Windows XP

- "Move to Monitor” option does not work for some Open GL application
- Playing back MPEG2 files may fail to respond when task switching between virtual desktops in extended desktop mode
- Restoring to factory default, Catalyst Control Center may become unresponsive when multidesktop is enabled
- Catalyst Control Center: display index number are not the same as Displays Manager in Graphics Settings
- Catalyst Control Center: Some Catalyst text labels may be missing "General Settings Option" under Windows Traditional Chinese
- Catalyst Control Center: System may become unresponsive when uninstalling Hydravision package with all HV aspects checked in multi adapter configurations
- Catalyst Control Center: Enabling "Enable Desktop Manager" and "Enable Multi Desktop" will cause the following to be displayed in the Windows Task Manager HydraDM64 and HydraMD64
- Catalyst Control Center: Preparing Help dialog window will come up in English on other localized Windows operating systems
- About Catalyst Control Center window may display some text corruption, when launched from the system tray
- Catalyst Control Center stops working when skin is changed to Quicksilver

Resolved issues for Windows Vista

- With some ATI Radeon adapters and Windows Vista 64 systems with more than 4 GB of system memory the display driver may fail to load and report a code 43 error
- Some video performance playback may be noticed when using the latest version of Pixela
- Video combing effects may be noticed during movie playback while fast forwarding or rewinding
- Catalyst Control Center: some screen corruption may be noticed after enabling 1080p HDMI support and adjusting the scaling options
- Video may not fill secondary display when playing back HD 1080i content with Overlay Theater Mode enabled
- Launching Medal Of Honor Allied Assault Spearhead game demo may result in a system stopped working error
- Unable to extend the display to a secondary adapter until the system has been restarted after enable/disable CrossFire
- Reinstalling the display driver using the INF method on a multi-display (ATI Radeon HD 3870 X2, Radeon HD 3870) system may cause the operating system to fail
- Playing Picture-in-Picture on a DVD with PowerCinema or PowerDVD may cause the system to halt.
- System may become unstable when mode switching during playback of blu-ray content using WinDVD
- System becomes unresponsive exiting Windows Media Center while playing high definition content
- DXVA2 Video Decoder DDI Test failures on R7xx ASICs on Windows Vista Systems
- Some interlacing may be noticed when fast forwarding a DVD playback
- Catalyst Control Center: system may fail to boot after disabling CrossFire with dual ATI Radeon HD 48xx adapters
- System unresponsive on reboot after installing the Catalyst 8.12 driver on ATI Radeon HD 4800 Series CrossFire

Resolved issues for Windows XP

- Catalyst Control Center Runtime does not restart automatically after HydraVision installation in Windows XP
- Catalyst Control Center: Hydravision tab is not shown in limited user accounts for Windows XP 64 bit
- Test corruption may be noticed when display is rotated to 'Left (90 ccw)' in resolutions greater than 1600 x 1200
- Playing back some HD MPEG2 videos will either shows black or show a reduced Overlay Theater mode on the secondary display
- TV may fail to display an image after installing the display driver with an HD-TV connected using DVI-HDMI adapter
- Video corruption may be noticed with some DVI monitors during a mode switch
- On some systems the following ATI warning dialog may be displayed after a system restore "Not enough displays to enable driver. Add another display device and try again."
- Unable to install SMBus driver on ATI Radeon HD 3200 Graphics with ATI graphic card and integrated graphics disabled