It's not official yet. I'm still on on the original Android, too. I don´t use one of the browsers which are affected from the bug, though, so that aspect doesn't bother me personally.
Now I never found the original Pro1's fingerprint reader too reliable, but the one in the Pro1X indeed is even worse. The Pro1 had a tendency to fail with moist fingers, the Pro1X has a tendency to fail with dry fingers, which affects me more. Also, somehow it behaves as if the stored fingerprint data would somehow deteriorate, and the success rate of fingerprint recognition becomes lower and lower, until I