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 the Summer 2021 Cosmetic Case
  • Contains 18 new community-contributed items
    
  • Adds 6 new community-created Unusual effects
• Numerous security and stability improvements
  
• Added a cooldown before a player can create a vote when they join a match already in-progress
  • sv_vote_late_join_time controls the grace period after the match starts before the cooldown is applied: default 90 secs
    
  • sv_vote_late_join_cooldown controls the length of the cooldown: default 5 min
• Kick votes will end early and automatically pass if the vote target leaves the match during the vote
  
• Added a ConVar to control players changing their name during a match
  • tf_allow_player_name_change: default is 1
    
  • Matchmaking servers will set this to 0
• Updated the player list in the vote-kick dialog to show the time each player has been connected to the server
  
• Removed the disconnect reason from the message when players leave the server
  
• Updated the Mann vs. Machine "inspect" command to only work for players in your party or in your Friends list
  
• Moved materials for community particle effects into the Effects/workshop sub-folder to distinguish them from Valve materials
  
• Updated/Added some tournament medals
  
• Updated the localization files
  
• Updated cp_snakewater_final1
  • Fixed clipping throughout map
    
  • Fixed explosion splash being caught by objects throughout map
    
  • Made movement smoother throughout map
    
  • Reworked some problematic areas like the kitchen
    
  • Minor visual enhancements throughout the map
• Updated cp_process
  • Fixed incorrect skin for the Red radio tower