Thank you @paulakreuzer for the many answers. This takes time from your life and I guess what you do is voluntary, so I am thankful.
Whops, I have read and understood this wrong.
But at least you get more feedback from them than most users do 
Weeks only? Getting totally super excited 
To be honest, I would already be happy with FP2 even staying on Lollipop - If it was stable
As an example, I never use FP2 as alarm clock. I use my GNEX because It does not randomly reboot in the night and forgets what time it is, just because it’s in flight mode.