An update has been released for Portal 2.

- Updated controller support
- Fixed a crash in controller vibration
- Fixed a crash in a sound mixer
- Fixed a stale material pointer crash

An update has been released for Portal 2.

- Fixed a scaling issue with some UI elements

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

An update has been released for Portal 2

- Fixed the game failing to launch on OSX.
- Fixed some controller glyphs

An update has been released for Portal 2

- Fixed a recent physics bug that caused some turrets to fall over on map start.

An update has been released for Portal 2 game and Authoring Tools

- Fixed custom maps with no lights disabling lighting for the rest of the play session
- Fixed Model Viewer and Face Poser not opening
- Fixed demo playback for workshop maps
- Fixed some text corruption related to UTF-8 conversion in some instances on Linux
- Moved the 32-bit Linux binaries into linux32
- Misc. rendering and other optimizations
- Removed the 100MB workshop level file size limit
- Added a +bench_demo [name] <stats output> command line parameter which will run a demo, and quit after it is finished.
- Added a -bench_settings [name] command line parameter to load a cfg/video_bench_{name}.txt file containing settings to load. There are a set of defaults provided, very_high_4k, very_high, high, medium and low.

An update has been released for Portal 2 game and authoring tools:

Bug Fixes:
 - Fixed a bug with broken voice overs in languages that have voice localizations (Russian, French, Spanish and German)
 - Fixed the audio settings being unusable in languages other than English
 - Compiled cubemaps on a3_crazy_box
 - Fixed a bug with broken text on the PeTI map selection
 - Potentially fixed motion pack DLC failing to launch

An update has been released for Portal 2.

Improvements:
  - Improved Vulkan implementation
    - Overall performance improvements
    - Massively improved performance with Anti-Aliasing (MSAA) on AMD
  - Made the intro video skippable by any button on a Steam Controller
  - Added controller glpyhs to the main menu when using a controller
Bug Fixes:
  - Fixed the Super 8 teaser not playing on Linux
  - Fixed certain Unicode characters being displayed as garbage on Linux
  - Fixed text corruption in the challenge mode UI on Linux
  - Fixed a crash that could occur wrt. networking on Linux
  - Fixed the text color in advanced video settings not respecting the dark panel UI variant
  - Fixed Model/Texture detail defaulting to Low in Vulkan mode
  - Fixed the challenge mode timer being cut off
  - Fixed a crash after trying to play a demo without having the respective map
  - Fixed a crash when trying to load invalid VPKs

An update has been released for Portal 2 Authoring Tools. This update includes all fixes and improvements from Portal 2.

We have updated the public release of Portal 2. This update adds native Steam Controller integration to the game. When using a Steam Controller, you can now rebind game actions from the standard controller configuration screen in the Steam Overlay; in-game on-screen button prompts will automatically update accordingly.