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:

• Fixed getting the Masked Mann achievement on maps other than Mann Manor
• Fixed a bug where the grappling hook would not switch back to the previous weapon after being released
• Fixed the Quickplay server list sometimes displaying the map filename instead of the proper name
• Added tournament medals for UGC Highlander Season 15, UGC Highlander Season 16, UGC 6v6 Season 17, UGC 6v6 Season 18, UGC 4v4 Season 4, and UGC 4v4 Season 5
• Updated the Monoculus and Merasmus battles on Eyeaduct and Ghost Fort to call a temporary truce between the teams while fighting the boss
  • Added server convar tf_halloween_allow_truce_during_boss_event for community maps to use this feature
• Updated Merasmissions to include a Quickplay button that will automatically join the required map or open the Quickplay menu if any map can be used
• Updated taunts to prevent movement during the pre-round period when players are frozen
• Updated the Invasion Coin to track stats through November 6th, 2015
• Updated pl_millstone_event
  • Fixed getting out of the map using spells
  • Monoculus moves now around the end area of the map instead of staying near final pit
  • Made spells spawn a bit less frequently
  • Fixed ghost long arms, now it travels/arrives to hell
  • Performance optimizations
  • Updated the navigation file