I've tested v3.8 on the cd-release and while I haven't unlocked those new cheats yet, I'm declared to admit:
1) higher frame-rate makes the game, especially roping, really smooth,
2) now everybody has the ability of using the
/arrows in-game chat command, thanks to the fact wk_rubber_worm's built-in now by default,
3) the
/open command has gained superior functionality now, while it allows you to change the host's name, what's very useful when you suddenly want to play something else, especially when players voted for it.
That's all from me now according to v3.8, I feel I'll be able to tell something more later, when I'll get in touch with the physics variables