Posted 9th September 2016 10:43 PM on steam.
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:

Fix the Righteous Bison projectiles colliding with, but not impacting, some doors (ex. the BLU spawn doors of cp_mountainlab)
Updated the localization files

Read more Here...