Adobe has announced the availability of release candidates for Lightroom 2.7 and Adobe Camera Raw 5.7.  Release candidates are not official releases, and are still in testing.  However, if you have one of the cameras that these releases introduce support for, you may want to download them now.

Lightroom 2.7 information and download

Per Adobe Labs:

  • Newly supported camera models include:
    • Canon EOS 550D (Digital Rebel T2i/ EOS Kiss X4 Digital)
    • Kodak Z981
    • Leaf Aptus-II 8
    • Leaf Aptus-II 10R
    • Mamiya DM40
    • Olympus E-PL1
    • Panasonic G2
    • Panasonic G10
    • Sony A450
  • Lightroom 2.7 also fixes a slideshow playback bug on Windows could cause Lightroom and/or the computer to crash.
  • Lightroom 2.7 camera raw cache limit has been raised to 200GB.

Adobe Camera Raw 5.7 information and download

Per Adobe Labs:

  • Newly supported camera models include:
    • Canon EOS 550D (Digital Rebel T2i/ EOS Kiss X4 Digital)
    • Kodak Z981
    • Leaf Aptus-II 8
    • Leaf Aptus-II 10R
    • Mamiya DM40
    • Olympus E-PL1
    • Panasonic G2
    • Panasonic G10
    • Sony A450
  • • Camera Raw 5.7 includes an updated demosaic algorithm designed to provide compatibility with settings applied in Lightroom 3.