I can confirm that for Window Coverings now the Open / Close / Stop buttons are working OK.
The Up and Down buttons do work OK for me and change the position of the blind in 5% increments in that direction, if that’s what its meant to do?
Dimmer RGB I can now change colours OK with the colour picker.
Siren for me is still not working and I cannot turn that device on. I tried removing the device and adding it again.
This is my code in the .json file for the Everspring siren device.
"name": "House Alarm Siren",
For the temperature sensors, I added this code on line #7 in to my .json file as it wasn’t present.