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 "Only allow map files" to the possible selections in the download filter option for clients
  
• Fixed a client crash related to the material system
  
• Fixed Diamond/Carbonado Botkiller weapons using incorrect team materials for the arms
  
• Fixed a vphysics regression where some items would travel farther than they should
  
• Improved performance and stability for the Linux version
  
• Removed range restrictions from viewmodel_fov_demo
  
• Updated the Ap-Sap so it can be gift-wrapped and have custom names/descriptions applied to it