- Fixed a hang when backgrounding Dota with Alt+Tab during startup when using the DX11 rendering system.
- Team supporter health bar logos will now appear in all languages.
- Fixed a bug where seeking to a time in replays would cause bursts of noise.
- Medusa's Stone Gaze no longer plays a sound effect when applied to non-heroes.

An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. The major changes include:

• Added a round timer to cp_powerhouse
  
• Updated/Added some tournament medals
  
• Updated the localization files
  

- 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.

- Fixed Psychic Headband destroying Homing Missile
- Fixed Flaming Lasso doing more damage than intended
- Fixed Level 25 Nature's Prophet talent not giving enough health
- Fixed Stone Remnant duration being higher than intended

An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. The major changes include:

• Added pl_pier to the list of maps for Casual matchmaking
  
• Updated pl_pier
  • Added additional exits to forward spawns
    
  • Added windows to RED final spawn
    
  • Added small platform to the first beach
    
  • Improved general clipping
    
  • Players can no longer build on the tables in RED spawn

ABILITY DRAFT CHANGES:
=====
• Fixed Greater Bash not working when drafted.
• Fixed Io Spirits In/Out ability replacing other drafted abilities. This should fix any 0 second cool-down exploits with other abilities.
• Fixed Fire Spirits not working with Shard.
• Fixed being unable to cast Reverse Timewalk with Timewalk Shard.
• Fixed Holy Persuasion not converting ancient creeps with Scepter.
• Fixed Grave Keeper's Cloak not working with Shard.
• Fixed Epicenter not getting the Shard upgrade.
• Fixed Fissure Shard upgrade not working.
• Pulse Nova Scepter upgrade now grants Nihilism.
• Mana Void Scepter upgrade now grants Blink Fragment.
• Macropyre Shard upgrade now grants Liquid Ice.
• Fixed Spirit Form not granting Recall and Blinding Light when active.
• Fixed heroes getting Spirit Form if Illuminate was drafted and a Scepter was gained.
• Fixed Ransack not getting the Geostrike upgrade with Shard.
• Summon Familiars Scepter upgrade now grants Silent as the Grave.
• Skeleton archers now have a minimum attack range of 500 even when Burning Army is cast by melee heroes.
• Take Aim and the Shadow Realm active now provide bonus range to melee heroes.
• Spirit Bear now displays on the left side of the screen as an owned unit as well as in the post-game scoreboard. It's inventory will also be included in the net worth calculations of the owner hero.
• Swashbuckle now splinters the attacks if Marksmanship is drafted and Scepter is active.
• Poison Sting now only applies to the primary target when used with multi-target attacks.
• Poison Sting no longer applies to attacks coming from any wards other than Plague Wards (Serpent Wards, Death Ward)
• Fixed Infernal Blade applying damage and burn to buildings if you switch targets before the projectile lands.
• Stifling Dagger now applies Infernal Blade if it is set to auto-cast.
• Fixed Bash of the Deep triggering multiple times when ranged units had high attack speed.
• Fixed Sacred Arrow launching from different positions depending on the hero. Will now always launch from center point of the hero.
• Fixed Acorn Shot missing bounce targets for melee heroes.
• Fixed Echo Stomp doing double the damage if Astral Spirit was also drafted. Note: Echo Stomp will still do both physical and magical damage values regardless of Astral Spirit being drafted.
• Fixed some heroes getting stuck in looping animations (Ember Spirit, Magnus, Pangolier, Void Spirit).
• Fixed giving Scepters to teammates (with Greevil's greed) removing your Shard granted ability.
• Fixed attack abilities with a cost, spending that cost on multi-target attacks that don't proc modifiers (Split Shot, Flak Cannon).
• Fixed Lil' Shredder stacks being consumed too quickly when using Medusa's Split Shot.
• Fixed Bash of the Deep counting up from Marksmanship Splintered attacks.
• Fixed Walrus Punch FX sometimes getting stuck on targets for the duration of the game.
• Fixed Duel ending early if Berserker's Call was on the target.
• Fixed Invoker & Hoodwink not getting access to the talents when they drafted their own spells.
• Fixed talents missing from Wraith King, Omniknight & Beastmaster.
• Fixed being unable to click anything for the first few seconds of the game.
• Fixed Coaches crashing during drafting stage.
• Fixed private lobbies crashing after the draft if there wasn't 10 players.
• Fixed various inaccurate scepter/shard markers on draft screen as well as missing or wrong Aghanim's tooltips.

- Updated the overhead heal display values to show the amplified values rather than just the base values.

- Diretide has ended. Diretide Point rewards will no longer be available.
- There will be opportunities to obtain The Hallowed Chest of the Diretide through playtime starting sometime in January.
- Fixed Orb of Venom slow stacking with Orb of Corrosion
- Fixed Cloak of Flames not doing less damage when carried by Illusions (now does 30)