A required update for Team Fortress 2 was rolled out a short time ago.
- Fixed overheal particle effect showing up incorrectly on disguised or cloaked spies
- Changed the achievement tracker to only be available in Team Fortress 2
- Added new teleporter sounds for upgrade levels 2 and 3
- Fixed engineers being able to upgrade the bomb cart's dispenser found in Payload levels
- Fixed bomb cart's dispenser being solid to players and projectiles