If you are the proud owner of a Motorola Atrix 4G, you will be happy to know that a new OTA update is coming your way that includes Gingerbread 2.3.4, a new version of MOTOBLUR, and a host of improvements and bug fixes. Here's a partial list of the update goodies:
  • Better app performance
  • UI refinements
  • Android 2.3.4
  • New version of MOTOBLUR
  • Faster webtop browsing
  • Improved Gallery and Music apps
  • Full 1080p playback
  • App sideloading
  • And various other performance enhancements & bug fixes.

All you need to do is go into your Settings menu, then go to About Phone, then System Updates, and the update should be available. Or, you can just wait a few days and the OTA will take care of its own "rollout" process. Here is Motorola's changelog link.

Source: AndroidPolice and Motorola