Portal Update Released

Updates to Portal have been released via Steam. The updates will be applied automatically when your Steam client is restarted.

- 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