I picked mine up today and should have them on the tank this weekend. I’ve been scanning the forums for feedback on them for the past couple of months, and whilst there isn’t a lot of posts it’s pretty much all positive in terms of light quality, both the aesthetics as well as the coral response.
The only negative feedback I have seen is that some of the early ones needed to be factory reset to address a defect causing them to disconnect from the app and/or wifi network. For some this involved taking the cover off and removing the backup battery. I think Red Sea have addressed this in more recent devices.