Portal 2 Update 1 info:
- Fixed unrecoverable black screen in elevator save
- Fixed infinite loop on Mac OSX server
- Fixed Mac OSX font rendering and glyph corruption
- Fixed GC memory leak
- Various localization content improvements
- Support for English subtitles in Turkish builds
- Minor string/interface glitches
- Fixes for multiple crashes
- Improved detection and handling for various errors and/or crashes
- Activated UI to enable joystick in-game
