According to notes accompanying the update the new version of Photoshop fixes a number of issues that could cause slow performance. Adobe also corrected a problem that didn't allow the Pen barrel rotation on the Wacom tablet to work properly.
With the update, Photoshop now correctly recognizes 3D textures edited by a plug-in and the quality of Auto-Blend Layers (Stack Images) has been improved.
Photoshop 11.0.1 is available from the company's Web site.
This story, "Photoshop Update Improves Performance" was originally published by Macworld.