An update has been released for Portal 2 game and Authoring Tools.
- UI improvements for Steam Deck support
- Improved performance of controller polling
- Other general in-game performance improvements
- Fixed a misaligned stack pointer crash in Miles audio
- Fixed input action set selection when switching between game and Puzzle Maker
- Fixed some Squirrel engine exploits, reported via HackerOne
- Guard against maps with corrupt mark surfaces, caused by some external tools
- Update Steam SDK
- Updated to DXVK Native 1.9.2a