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:

• The Gun Mettle Campaign has officially ended
  • Gun Mettle Coin owners have until October 12th to finish any remaining contracts. Contracts will expire on the 13th and will be removed.
• Added 'Inspect Item' backpack menu option for all cosmetics and taunts
• Added 'View in Game...' button for decorated weapons, cosmetics and taunts when viewing TF2 items from Steam Community Inventory or Steam Community Marketplace
• Added more LBTF2 Highlander Season 2 tournament medals
• Added new hit-sound options for players to choose from in the Adv. Options menu
• Fixed a crash related to .vtf file loading (thanks to Nathaniel Theis for this report)
• Fixed a client crash related to the main menu
• Fixed a server crash related to Mann vs. Machine mode
• Fixed a crash and possible odd behavior in maps spawning multiple tf_gamerules entities
• Updated campaign contracts to display their expiration date when the time remaining is less than a week
• Updated the localization files
• Mannpower update
  • Updated the grapple impact sounds
  • Updated reduced damage taken sound
  • Heavy can no longer switch to the grapple until the Minigun has finished its spin-down
  • Fixed an exploit related the Knockout powerup not switching to the melee weapon
  • Fixed players sometimes getting stuck in the grapple