Pixiq

Lightroom 3.4 Release Candidate has been released on Adobe Labs. Camera Raw 3.4 has also been added, keeping compatibility between Photoshop and Lightroom. This is a test release to get a wider range of computers to make sure no major bugs surface before a final release. Reasons to download include interest in testing, one of the bug fixes affecting you, and having one of the newly supported cameras. The program installs beside 3.3, so you can run test catalogs if you prefer. 

In this release the following new cameras are supported: Canon EOS 600D (Rebel T3i / Kiss X5), Canon EOS 1100D (Rebel T3 / Kiss X50), Hasselblad H4D-40, Olympus E-PL1s, Olympus E-PL2, Olympus XZ-1 & Samsung NX11. 

Additionally Lens Profiles have been added or updated for the following lenses. 

Lens Mount	Lens Name
Canon	Canon EF 70-300mm f/4-5.6 L IS USM
Canon	Canon EF 28-70mm f/2.8 L USM
Canon	SIGMA 85mm F1.4 EX DG HSM**
Canon	TAMRON 18-270mm F/3.5-6.3DiII VC PZD B008E
Nikon	Nikon AF-S DX NIKKOR 18-105mm f/3.5-5.6G ED VR
Nikon	Nikon AF-S DX VR Zoom-NIKKOR 55-200mm f/4-5.6G IF-ED
Nikon	Nikon AF-S Micro NIKKOR 60mm f/2.8G ED
Nikon	Nikon AF-S NIKKOR 24-120mm f/4G ED VR
Nikon	SIGMA 85mm F1.4 EX DG HSM
Nikon	TAMRON 18-270mm F/3.5-6.3DiII VC PZD B008N
Nikon	Leica APO-MACRO-SUMMARIT-S 1:2.5/120mm
Nikon	Leica SUMMARIT-S 1:2.5/35mm ASPH.
Nikon	Leica SUMMARIT-S 1:2.5/70 mm ASPH.

For a full bug list, please go to the official press release at Lightroom Journal