- Refined hitboxes,
- Optimized sound and network code
- Configurable fps caps
- Weapon balancing
- Server direct autodownloading
- Addonpak fixes
More information can be found in the README; additionally, there’s an official Linux FAQ. It’s also mentioned that a new multiplayer demo is due for release in the near-term.
Note that you’ll need the 1.4.2 client to play with other users who’ve updated; the mod SDK is up, as always, at idDevNet.
Download: [ idsoftware.com ]