Review of Beta 2 - (what works and whatnot)
lock screen works with pin and pattern (ambient display, FP and face data doesn't work)
Front camera is always popped out. (I know there is an app to retract but out of the box it doesn't go in)
Front camera works with normal photo, portrait mode and video.
Back camera works in normal photo, pro mode, nightscape, 2x mode(primary lens is used) but video, slow mo doesn't work
WiFi doesn't work
Audio works. volume keys works (displays volume slider on left)
BT works, mobile data, display gestures, display calibration, ambient senor, reading mode works.
Screen refresh rate at 60hz even 90hz is selected (obv)
gcam works with camera and video ( results are slightly better in miui or other custom roms)
calling, messaging, notes, OP switch, gallery, clock, calculator, screen recorder, weather file manager works
Sound recorder records sound but doesn't play.
Over all, rom is not stable yet, there is a definitely room for improvement.
But considering 2nd beta, Devs are amazing. Keep it up.