ZFS iSCS target distro(shared server) managed Proxmox (trough freenas-proxmox plugin)

I’m considering using this plugin for managing shared storage for ZFS:

It’s managing zvols and iSCSI shares remotely by SSH, so you can clone, snapshot, etc from Proxmox VE interface, while still using RAW ZFS (instead of much slower, additional layers, like QCOW2, etc)

I’ve heard it will collide with TrueNAS that will try to manage those resources too, but would like something realtively easy to manage for others (preferably by http)

I wonder if reflinks will be used when cloning VMs, etc, so ZFS v2.2.0 would be a useful then?