May 25, 2010 Patch (Portal)

Patch notes

Performance improvements
Fixed crash during offscreen rendering
Fixed overbright screen when rendering with Radeon X1x00 on 10.5.8
Fixed subtitle mode to not include sounds, use close captioned mode for that functionality
Fixed achievement awarding being delayed to map change
Fixed view jumping when coming back from the in-game UI to the game
Improved support for using the Command key as a key bind