US PlayStation Blog, v2.35 is "a relatively minor update to improve stability of some PS3 titles." We're willing to wager a handful of stolen cars that "some PS3 titles" is a better way of saying Grand Theft Auto IV, whose compatibility with older PS3 models has become a topic of discussion and a sore spot for early adopters of Sony's console. An alleged Take-Two email yesterday hinted at a Sony firmware update.
Download now and let us know if the game's technical hiccups (for those that had them) have been eradicated.
Update: As noted in the comments of the blog by Sony's Al de Leon, this upgrade does not fix GTA IV. Said de Leon, "I just want to clarify that this upcoming firmware update isn't related to GTA IV. For those of you who may still have an issue playing the game on your PS3, we have identified a solution that should resolve the issue. You can contact SCEA Consumer Services for support."