One more thought, if you want additional functions in the official new app integration, you need to talk to Nanoleaf. It is their cloud to cloud integration. Smarthings isn’t the one supporting it.
The DTH in this thread was user created and maintained and improved. How much more effort is put into it will depend on whether or not these types of efforts can continue once the Classic app is retired. There is very little information available on this topic, so investing much time and effort feels pointless right now.