[tjfontaine]

I believe some of the thinking has shifted toward virtio-fs[1] instead of the 9p/network oriented models. Though this requires hypervisor locality for sharing among VMs.

[1] https://virtio-fs.gitlab.io/

[babkayaga]

At some level yes. But virtio 9pfs is still widely used. It's just that no one yet bothered writing up the spec.