Version 6.1 of Adobe Camera Raw (ACR 6.1) is now available for free download for Photoshop CS5 users.
The latest version adds support for Canon EOS 550D, Kodak Z981, the Leaf Aptus-II 8, Leaf Aptus-II 10R, Mamiya DM40, Olympus E-PL1, Olympus E-600, Panasonic G2, Panasonic G10 and Sony A450.
ACR 6.1 is not compatible with versions of Photoshop earlier than Photoshop CS5. The plug-in however works with Lightroom 2.7.
[Site: Adobe.com]