A DirectX 11 patch for Batman: Arkham City on PC has been rolled out on Steam.
This has serious negative consequences for gamers running 32bit versions of Windows Vista and Windows 7.
If that's you, you are advised to "avoid" running Batman: Arkham City under DirectX 11 after installing this patch.
"Users running Windows 7 32bit or Windows Vista 32bit should only use DX9 settings until a future patch that addresses this specific issue is released," Steam advised.
"We are actively working to address the remaining issue tied to DX11 for users running 32bit versions of Windows Vista or Windows 7."
The patch notes follow.
- Performance / hitching issues have been greatly improved for running in DX 11.
- An issue with players running out of Video Memory or encountering a Rendering Thread Exceptions has been address. This was primarily affecting 32-bit Operating Systems.
- A progression block after defeating Ra's Al Ghul has been fixed. This was issue occurred primarily on lower end computer setups and described as Batman not readying his Reverse Batarang.
- A crash that occurred when scrolling between the Character Bios and Arkham City Stories has been fixed.
- A crash that occurred when selecting "Press Start" immediately when available at the Title Screen has been fixed. The issue was described as crashing/hard locking around the DLC (Downloadable Content) check.