Adobe Labs has completed beta testing of Adobe Camera Raw (ACR) version 6.6 (adds support for several newer digital cameras). You can get this update by using the check for updates option in your Adobe software or by visiting the Adobe Labs Camera Raw page for this download. This page is the place to visit for the latest ACR release and beta test versions when available.
Camera support for Photoshop CS5 and Lightroom 3
Support for the following cameras has been added from Camera Raw 6.6 to 6.6 and Lightroom 3.5 to 3.6.
Canon Powershot S100
Fuji FinePix X10
Nikon 1 V1
Nikon 1 J1
Panasonic Lumix DMC-GX1
Ricoh GR Digital IV
Lightroom 3.6 has just been released after completion of beta testing. In addition to adding support the cameras above it also addresses some minor issues uncovered in the previous versions of LR. You can get this update by checking for updates inside Lightroom.