Upgrade Ziti from 1.1.5 -> 1.5.4

Thank you Paul, that’s very helpful.
When upgrading to 1.1.6, the trust domain was introduced. Does that mean that I need to create new certificates for each controller/router but also need to exchange every identity with one that’s been created after the upgrade?

This answer says I would only need to define one in the config files however the docs say

  1. The controller client and server certificates must contain a SPIFFE ID.

Or does Ziti >1.1.6 only require a trust domain set but now necessarily embedded into the certs?