Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:

Linux Dedicated Server

• Improved connection logic to help servers that aren't automatically reconnecting to Steam, and added extra logging to track it
• Added extra data gathering to help us understand and improve Linux performance

Team Fortress 2

• Changed cl_flipviewmodels so it can no longer be set while connected to a server
• Fixed problem with Loadout Menu "Back" button not preserving the currently equipped weapon
• Fixed a case where an observer could set the observed player's view models
• Fixed the Heavy's punches not matching mouse button presses when the view models are flipped
• Fixed Bonk! ammo count exploit after using a regeneration locker
• Fixed Dead Ringer damage reduction exploit involving Spy taunting
• Reverted Force-A-Nature and airblast knockback on disguised Spies, so that they can once again be knocked back

Missed notes from previous update

• The Ambassador no longer penetrates buildings
• Removed the movement speed penalty on The Razorback