Adobe Systems has issued an update for Photoshop CS4 addressing certain issues that may affect performance.

 

February 26, 2009: Adobe Systems has issued an update for Photoshop CS4 addressing certain issues that may affect performance.
The Photoshop 11.0.1 update includes fixes for a number of issues. Problems 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.