I just updated to 14946. Overall it seems better than the last abysmal build, but facebook will not open at all. It goes to a blank screen with just controls at bottom with phone stuck for about a minute, then it just shuts down. I have tried rebooting to no avail. So far, that is the only app I seem to be having problems with - which is so much better than 14936. The last build kept freezing and rebooting on my 950xl, and every 950 at my friend's firm.