An update to the recently release Adobe Photoshop Lightroom 4 includes support for the EOS 5D Mark III. Version 4.1 is a release candidate. This indicates that this update is well tested, but would benefit from additional community testing before it is distributed automatically to customers.
You can download the update at:
http://labs.adobe.com/technologies/lightroom4-1/
You can download the update at:
http://labs.adobe.com/technologies/lightroom4-1/