Lightroom 4.4 Release Candidate is now available at Adobe Labs. This is a production realy version of Lightroom that’s been prereleased for testing in a wider field. There’s a test version of Camera Raw 7.4 to go with it
If you're a Fuji X-Trans users (such as the Fujifilm X-Pro1, Fujifilm X-E1, Fujifilm X100S or Fujifilm X20), then it's worth trying for the improved file rendering.
Besides this, there’s a few bug fixes, lens profiles and new camera support. The camera list is as follows:
Canon EOS 1D C
Casio Exilim EX-ZR700
Fujifilm X100s
Fujifilm X20
Hasselblad Lunar
Leica M Nikon 1 V3
Nikon 1 S1
Pentax MX-1
Anyone that wants to give me a Hasselblad Lunar to test with can feel free!