Adobe has updated both Camera Raw and Lightroom.
Some details include:
• Additional camera support for several new camera models including the Canon EOS 550D, Panasonic G2 and Sony A450
• Includes several corrections for issues introduced by previous Lightroom 2 releases
Launch Lightroom and run the update or visit the site directly to download.
Camera RAW was also updated and is available with Lightroom 2.7 below.
Adobe has also updated the DNG converter.