For me, the migration from one of my two old Hue Bridges to the new Hue Bridge Pro went smoothly. But that’s probably only because I didn’t pair my somewhat outdated Philips TV with Ambilight with Philips Hue. Because it is precisely this function that causes problems with the Hue Bridge Pro.

Ambilight+Hue does not work with the Hue Bridge Pro Numerous complaining users
Numerous complaining users