Alot of quality of life changes and Hats Hats give beneficial effects (while looking cool) for the rest of the run, however you can't change them once you start...
Small update, a couple of improvements mainly aimed at the weapons' stats menu so it becomes more pleasant to look at and 4 weapon mods plus 5 badges...
Ah weapons, one of the main ways to play the game, the issue with them is that they were too stale because every copy of the same weapon had 100% identical stat...