Lightroom 3.2 and Adobe Camera Raw 6.2 are available as release candidates on Adobe Labs. (Programs are available as release candidates to allow for additional user testing before official releases are made.) These have support for 12 new cameras, 50 new lens profiles, bug fixes, and in Lightroom only, publishing to Facebook. Click HERE for Adobe’s announcement and the link to the software download.
Note that there was no Lightroom 3.1 release — by moving to #2, Adobe is syncing the numbering of ACR and Lightroom releases.