I have updated my PlayStation 3 version of Fallout: New Vegas, and can confirm this is true. This patch has many fixes and optimizations for the game, and is essential to play the new Old World Blues add-on scheduled to release on July 19th.
Update - Jason Tweeted:
The patch also adds the following Old World Blues achievements/trophies:
|Cardiac Arrest!||Recovered X-13 cardiac regulator sneaky suit.|
|Making Friends||Reactivated all of the Sink's robotic assistance.|
|Make up Your Mind||Made up your mind... about your brain.|
|Outsmarted||Completed Old World Blues.|
|Spinal-Tapped||Recovered X-8 vertebrae-pulse-de-sensitizer frequency.|