* The crop tool would unlock a locked aspect ratio after a rotation adjustment
* For Mac OS X 10.6 customers, visual artifacts could appear when panning an image viewed at 1:1 in the Develop module.
* For Mac OS X 10.6 customers, the 10.6.2 update included a correction that prevented Lightroom 2 from opening more than two files using the Edit-in-Photoshop functionality.
* Lightroom 2.6 provides a fix for an issue affecting PowerPC customers using the final Lightroom 2.5 update on the Mac. The issue, introduced in the demosaic change to address sensors with unequal green response, has the potential to create artifacts in highlight areas when processing raw files from Sony, Olympus, Panasonic and various medium format digital camera backs.
* Lightroom 2.5 and earlier did not support the updated Panasonic DMC-LX3 aspect ratio modes added with the camera’s latest version 2.0 firmware.