A lot of people are working hard behind the scenes and spending their time & money to provide the best product we all can, for FREE! Relax, wait and enjoy the ride.
Core functionality is becoming solid. We already have profiles, custom button mapping, a status LED and reset button nailed down. The code is super clean and organised too, even things that were working but coded in an less than ideal manner have been completely overhauled and reworked. This all takes time, no shortcuts just solid code that won't break.
Compatibility is the next target and we've already made solid progress. All of my test controllers barring one (cheap Chinese Honcam stick) are now all working and we have the data necessary to make most of the others work.
From my test candidates and those of a few other Devs, these are all working perfectly:
Hori Fighting Stick 3
Hori Fighting Commander
Hori Mini 4 Kai
Hori RAP Xbox One
Hori RAP PS3 / PS4
MadCatz SF Tournament Edition PS3
PS3 DS3
PS4 DS4
Xbox One controller
Retrobit Saturn 2.4G
8Bitdo M30 Bluetooth
Razer Panthera
Buffalo SNES
Brook Universal Fighting PCB
MC Chthulu
And more that fit between those models and ones I haven't even listed.