Latest advice for virtual 3/4 way switch setup w/o hub?

[JDRoberts]

Also, just in case you are curious, here’s more discussion of how direct association changed with zwave plus:

FAQ: How zwave direct association changed with zwave plus

You have to be careful with this question because the functionality of zwave association changed significantly with zwave plus. In the older Z wave generations, association was optional, and manufacturers could and did implement it pretty much any way they wanted as far as which command sets were used in which association groups. For example, Fibaro quite famously used one Association group specifically for tamper notifications. While other manufacturers who made multi-button Devices might use one Association group for each button. It got pretty confusing. With zwave plus, they decided to regularize how association is used, while still maintaining backwards compatibility for previous generations. So… ASSOCIATION GROUP ONE IS NOW RESERVED FOR THE HUB Almost all zwave plus devices mus…

But some of the biggest manufacturers, including Nortek and Aeotec, put out early fifth-generation devices before the specification was finalized. So those very early versions didn’t always do things exactly the same way as the specification now calls for.