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 64-bit support for Windows/Linux client and server
    • Should include performance improvements for most users
    • Bugs can be reported here: https://github.com/ValveSoftware/Source-1-Games/issues
  • Fixed an exploit related to uploading invalid custom decals that would crash other clients