A security hotfix

Crash fixes and minor improvements across the board

A patch for recent exploits

Faceposer, 3rd person animations and HL campaign improvements

Fixes and new Lua capabilities

A new mountable game and a bunch of UI changes!

Hotfix for a bug that players are using to crash servers with the Physgun.

This update fixes some common crashes, including a crash caused by particles from a recent Team Fortress 2 update.

This update fixes some insecure code and a crash related to models