I have 19 apps in memory and still have 4gb of ram free. That does not really matter since the OS would take care of managing that aspect. I would suggest everyone to a factory reset of your phone. It is a laborious process but I think it is worth it. It is always a good practice to reset your phone with every os generation change
I feel the batter has gotten better with the new beta. I even did a few photos across lenses and the phone works absolutely fine
