Back last year, when I tested after buying 6 for our home, it didn’t work unless paired securely, which is what @bcopeland reported, too. Last December, @dennypage, who wrote nice drivers for them and Aeotec repeaters, did extensive testing, and something appears to have changed about December 2020.
So, yes, they appear to work fine now with no security. Must have been something in the Hubitat Z-Wave code.
Edit: You do have to put a rule to refresh them after a power fail because Hubitat, when it comes back online after a power fail, misses the “return to mains” event when the Ring comes online.
Here are my rules:
