(If I ever get my VO UDP problem figured out,) I'm going to be replacing my homebrew hardware and software that interfaces a house full of Legrand LVSW wall switches to Loxone. That kludge was documented in this forum 7-8 years ago. It was done because there really was no suitable (to me) other solution at that time.
Now there is (it seems). Oddly, I can't find any posts when searching for "kincony" so this is apparently news to readers here.
The off-the-shelf solutions now available (for a year or so) are:
Enjoy