TDP4 had a new update today including:
New Map - Corridor 2 (a more fair version of corridor in which the map is symmetrical and each team has the same base)
New Item - Exp Booster (you get double exp from kills)
New Game Mode - Duel (you can now 1 vs 1 other people in a tournament, however, you can't add a stake)
You can choose certain letters to switch to weapons faster.
Some hacks have been patched.
Playing in full screen is easier and you can choose what controls you want without any restrictions
IMPORTANT NEWS:
New rocket launcher will be released!