Hi,
One of the most requested support from European users is certainly the support for more TRV models. Most manufacturers announce Matter compatible devices or devices that are exposed as Matter devices by a hub. Homematic IP is one of the most popular systems for heating in Europe (aside Bosch) and their TRV are great, but it's a closed system. Bridges like the Mediola ( Matter Bridge Homematic IP ) bridge expose them as Matter devices.
Correct me, if I'm wrong. Hubitat needs a unique Matter TRV driver to be able to pilot Matter TRV devices (similar to the generic TRV driver that never works). And, Hubitat should be able to connect to exposed Matter devices. If so, the development of a Matter TRV integration would open a completely new world of TRV devices to the European users. One driver. What holds Hubitat staff back from doing it ?