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:

• Improved the Backpack UI
  • Added page buttons for all pages
    
  • Removed prev/next buttons
    
  • Updated the drag/drop behavior to interact with the page buttons
• Strange quality items can now be placed on the Steam Community Market
  
• Added a "Show Untradable Items" checkbox to the recipe UI.
  
• Added the smoke effect to The Soldier's Stogie
  
• Added the InfoShow 2014 community event medal
  
• Added Crate #82 and Crate #83 to the drop list
  
• Crate drop rates have been significantly lowered
  
• Removed Crate #60, Crate #75, Crate #76 and Crate #77 from the drop list
  
• Virtual Reality mode
  • The game will now start in VR mode if it is launched from Steam while Steam is running in VR mode
• Updated the equip_region for the Humanitarian's Hachimaki, The Special Eyes, The Blazing Bull, Master's Yellow Belt, The Lucky Shot, and The Deadliest Duckling
  
• Updated The Gunboats so they can be used in Medieval mode
  
• Updated the Wrangler so Strange parts can be applied to it
  • Strange parts only increment if a Wrangler-controlled Sentry does the scoring
• Updated Chemistry Sets
  • Started dropping Series 3 Chemistry Sets with an expiration date
    
  • Retroactively added Series tags to older Chemistry Sets
• Fixed a client crash related to killstreak effects
  
• Fixed seeing the incorrect cosmetic items on players when the server has been running for a long time
  
• Fixed hats not dropping into the world when players are killed
  
• Fixed the Jarate effect not being displayed on some cosmetic items
  
• Fixed framerate affecting player turn rate while using the Demoman's shield charge
  
• Fixed flashlight shadows projected on players for Linux and Mac clients
  
• Fixed seeing the fire texture on Runner's Warm-Up and the Tiny Timber in DirectX 8
  
• Fixed The Doe-Boy using incorrect team materials
  
• Fixed some Strange parts not being counted properly when attached to wearable weapons like the Mantreads and Demoman's shields
  
• Fixed Spies speaking their payload cart forward/backward response_rules lines while disguised
  
• Fixed Mann vs. Machine Giant Heavies not playing the correct override sounds for their Miniguns
  
• Fixed the Huntsman charge bar being misaligned