Lightroom 3.4 and ACR 6.4 released

New camera raw files supported, new lens profiles added (a bunch of them for Pentax lenses; also added Nikon 18-105 VR and Nikon 55-200 VR), plus some bug fixes.   For a list of the changes check out: http://blogs.adobe.com/lightroomjournal/2011/04/lightroom-3-4-and-camera-raw-6-4-now-available.html   To download the update go to: http://www.adobe.com/downloads/updates/