Check out this post… seems like corners were cut, or a hard decision had to be made re: on/off/dimming implementation. Whatever the case may be, it’s a bit disappointing. No true on/off relay separate and isolated from the dimmer, forward-phase dimming… I’m honestly very surprised the other bells and whistles were prioritized over using best-practice for each and every core function.
Edit: this post more directly addresses the on/off relay: