Updates to Portal 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Fixed exploits where cheats could go undetected in Challenge Mode
- Modifying gravity is now marked as a cheat
- Fixed crosshair not showing on extra wide resolutions
- Fixed rare case where a phantom laser would be stuck emitting from a redirection cube
- Peer Review localization updates from the community