Updated BZFlag to 2.4.20 which adds new API events and updated client menus.
- Reorganization of the menus to improve usability.
- Add bz_isWithinWorldBoundaries to API
- Use teleporter names in /saveworld .obj exports.
- Add bz_getSpawnPointWithin to API.
- Significantly improve platform-dependent header imports.
- Don't allow hunt to be used when not connected to a server.
- Improve vsync settings with SDL2.
The full changelog can he found here.