Adobe has released updates for two products today. First it is for Adobe Camera Raw (the version that ships with CS4) which is now at 5.1. The update includes mainly improved camera support. It’s a free upgrade (links below).
Secondly, Adobe has released Lightroom 2.1 after a period available as a release candidate. Here we also have improved camera report and some performance improvements as well. It’s also available as a free update.