Team Fortress 2 Update Released April 18, 2024 Team 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

Team Fortress 2 Update Released
April 18, 2024 Team
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