A couple of tangentially-relevant things: Putting zfs on a debian-12 template will require that that template actually uses a debian kernel (or a very old (6.1) fedora one). It would be nice if you could select debian kernels from the menus that let you select which kernel a VM uses, just like you can with fedora kernels; instead I have to build the kernel into the template, and every template I clone from one like that has to copy that extra stuff. For some reason if a VM with ZFS installed ...