FSOwner

- Fixed the interaction of Earthshaker's Aghanim's Shard and a few other hero spells that blocked pathing (notably Nature's Prophet's Sprout). Earthshaker cannot walk through other blockers when he has a Shard, he can only walk through Fissure blockers.

An update has been released for Portal 2.

Improvements:
- Implemented a Vulkan render backend (currently accessible through the -vulkan command line parameter).
- Improved compile time for Perpetual Training Initiative puzzles.
- Improved advanced video settings descriptions.
- Made the game Hi-DPI aware.
- Smarter default video settings.
- Improved resolution of player avatars throughout the game.
- Players can now be invited to play co-op on controller.
- Button text contrast and padding has been improved when using a controller.
- Implemented a 360° Spin action.
- The portalgun is now correctly affected by dynamic lights (projected textures) in the scene.
- Improved client-side prediction for coop play.
- Added the ability for workshop levels to pack particles into their map with a particles/map_manifest.txt
- Misc. rendering optimizations.
- Added an icon to the game on Linux.
- Removed the "Trading Coming Soon" button.
Bug Fixes:
- Fixed a crash on startup that could happen on Linux.
- Fixed a crash that could occur in some community test chambers using BEEMod on Linux.
- Fixed the credits being corrupted on Linux.
- Fixed the intro videos for acts 2 and 3 not playing on Linux.
- Fixed the game starting in the top left corner of the screen on Linux.
- Fixed a crash in the PeTI if you placed a light strip above a laser catcher on the floor and linked it to a fizzler.
- Fixed the fizzler not playing the retract animation when turned off in new PeTI maps.
- Fixed being able to copy 'uncopyable' items in the PeTI leading to invalid/broken levels.
- Fixed some items in PeTI not maintaining their portalability state when expanding the chamber boundaries.
- Fixed a crash if PeTI avatars could not be retrieved.
- Fixed Cave Johnson's lines not progressing when playing queued workshop levels.
- Fixed a memory leak that could occur when changing levels.
- Fixed a bug where you could no longer ping/taunt via mouse/keyboard if you have ever used a controller.
- Fixed the ping menu being visible when quick pinging on controller.
- Fixed the game instructor not respecting input types for respective players in split-screen mode.
- Fixed rumble not being respected for respective players in split-screen mode.
- Fixed the wrong avatar being used if playing coop after playing a workshop level.
- Fixed the OnFiredPortal2 output not firing.
- Fixed some text being duplicated on the screen multiple times.

An update has been released for Left 4 Dead 2.

- Quick Match option for all modes allows players to prefer "Official Servers Only" or "Any Servers"
- Added localized UI and subtitles for Vietnamese
- Increased string commands per second limit to fix some false disconnects
- Prevent manually initiating some talker responses that trigger longer conversations
- Fixed color correction for some maps where it was missing or incorrect
- Fixed melee animation while carrying a fireworks crate
- Fixed M60 not using the correct walk calm animation
- MP5 changed to the slightly better rifle reload animation
- SG552 changed to use assault rifle animations and military sniper zoom animations
- Fixed incorrect sound cue for player infected when a survivor dies
- Changed some mob onslaughts to classic panic events in the L4D mutation
- Boomer bile slows tanks in Tank Run mutation
- Several Rocket Dude mutation fixes and performance improvements
- New survivor alert response rules for intense combat situations
- Scripting:
• Fire the "KilledZombie" response concept when killing a Witch.
• New "EntityOutputs" class containing functions to manipulate entity output connections.
○ GetNumElements, GetOutputTable, HasOutput, HasAction, AddOutput, RemoveOutput
• Expanded response rules testbed.

A new Steam client has been released and will be automatically downloaded.

SteamNetworking

• Fix a bug causing P2P networking to not work for some games

• 
  macOS
  • Fix steam:// URLs not being opened by Steam on startup
    
  • Fixed steam:// URL events not being sent to currently running Steam client if sent from a different Steam instance

• 
  Steam China
  • Fixed settings dialog prompting to restart after applying when settings have not changed

• 
  Steam Input
  • Added support for the PowerA Xbox One Series X Wired Controller

• 
  Library
  • Fix bug in event sharing in Steam China.

• 
  Remote Play
  • Fixed performance regression when decoding video on Windows

A new Steam client has been released and will be automatically downloaded.

Steam Library

• Fixed game installation sometimes failing with “Invalid install path”
  
• Games provided at a gaming café are now displayed in a custom collection for that site.

• 
  Remote Play
  • Greatly improved capture performance for DX12 titles like Cyberpunk 2077
    
  • Peer-to-peer direct connections are enabled by default. You can adjust this in the Steam Remote Play Settings.

• 
  Game Properties
  • Added Build ID to the Updates page
    
  • Fixed a bug on Linux where compatibility tool selection wasn’t displaying correctly

• 
  Steam Input
  • Added a setting for extended Xbox controller support. The option can be enabled in the General Controller Setting section of your Steam settings and requires a driver installation and restarting your computer.
    Extended Xbox features include:
    • Support for more than 4 Xbox controllers
      
    • The ability to bind the Xbox Elite controller paddles in controller configurations
      
    • The ability to bind the Xbox Series X controller share button in controller configurations
      
    • Support for trigger rumble in games using Windows.Gaming.Input API
  • Improved CPU usage of Steam Input, especially when a controller is connected but idle.
    
  • Added a new Hotbar menu mode for Joystick, Dpad, and ABXY button diamond sources. Pressing down on the bound input will toggle menu visibility, left and right will scroll through the items and hitting up will fire the selected option. Note: this feature requires the Big Picture Overlay.
    
  • Added Touch menu mode support for Gyro, DPad, and ABXY button diamonds sources. Note: this feature requires the Big Picture Overlay.
    
  • Added an option to controller calibration screen for enabling auto-calibration of the gyro in the background during normal use. This is only recommended when manual gyro calibration is insufficient.
    
  • Added support for PS5 controller player slot LED
    
  • Added a drop down in the personalization menu for the PS5 controller player slot LED allowing the player to disable it, enable it only when multiple controllers are connected, or to enable it at all times. This setting defaults to enable the LED only when multiple controller are connected.
    
  • Reordered buttons inside the controller calibration screen to reduce the chance of accidentally changing the joystick deadzones. Also added a cancel button to discard current changes.
    
  • Fixed Big Picture Mode getting launched when turning off a controller by holding the guide button while the Steam window is focused.
    
  • Fixed non-gamepad HID devices such as flight sticks, racing wheels, or keyboards with analog axes being filtered out when Generic Gamepad Configuration Support is enabled in the controller settings
    
  • Fixed an issue where a gamepad button binding could be left on until the next button press if the player pressed a button, alt-tabbed away from the game, then released the button.
    
  • Fixed localization of Steam Input API actions being displayed in Touch/Radial menus.
    
  • Fixed for rumble and LED effects when using PS4 controllers over Bluetooth on Windows 7
    
  • Fixed intermittent client crash on Windows when a Switch controller is disconnected
    
  • Fixed a crash at startup using third party GameCube controller adapters
    
  • Fixed a crash when some combinations of controllers are plugged in on macOS