Not stable for production use!
I have had it occasionally loose player inventory, or allow for item-duplication between servers. With the latest release 4.2.0 it does this almost instantly, running on 1.18.1. Not usable.
I'm considering starting a new project to do this properly with a databus @
https://github.com/ebonroot/rootbus Visit me on discord at the ebonroot.com site if you are interested in such a thing.