The eq is working for me. Everything on newest version and things from devel. Living on the bleeding edge.

Don't know if it's possible, but could you make the scrollers snappy. Like when close to some values it automatically puts it there. For example the 0 gain, when you want to reset one of them.
Also it would be nice if you could put the frequencies above/bellow corresponding scroller, and a button to reset the whole eq.

One other thing not related to eq.
It would be good if, like the built-in player, the hardware volume keys would work while the player is working and the phone is locked.
I use it when changing transportation. Going with bicycle and when walking I like to listen it on a little higher volume, because don't need to hear my surroundings that much.