from Adobe 24 February 2009....
The Adobe® Photoshop® CS4 11.0.1 update addresses a number of issues discovered after Adobe Photoshop CS4 and Photoshop CS4 Extended (11.0) software were released.
The most significant fixes in the Photoshop CS4 11.0.1 update include the following:
• A number of issues that could cause slow performance have been addressed.
• Pen barrel rotation with Wacom tablets now works correctly.
• Photoshop now correctly recognizes 3D textures edited by a plug-in.
• The quality of the results of Auto-Blend Layers (Stack Images) has been improved.
• A problem that could result in a crash when pasting formatted text has been fixed.
• A crash that could result from a corrupt font no longer occurs.
Download link For Windows
and for Mac
There is an ACR Update to support the Nikon D3x and the Olympus E-30 (released after the PS CS4 v11.0.1 update)