Samba does not show all ZFS snapshots

I am setting up a file server that uses Samba together with ZFS. I have configured Samba such that it shows the ZFS snapshots under "Previous Versions" in Windows; following is an excerpt of my Samba config: vfs objects = acl_xattr shadow_copy2 shadow:snapdir = .zfs/snapshot shadow:format = -%Y-%m-%d-%H%M shadow:snapprefix = ^zfs-auto-snap_\(frequent\)\{0,1\}\(hourly\)\{0,1\}\(daily\)\{0,1\}\(monthly\)\{0,1\} shadow:delimiter = -20 Further, I have configured zfs-auto-snapshot (https://github.com/zfsonlinux/zfs-auto-snapshot/tree/master) and now, I can see the "Previous Versions" of any folder in Windows Explorer: However, when I want to see the previous versions of an ordinary file, that doesn't work: I wonder how I shall change my Samba configuration such that I can see the previous versions of files as well. I believe this is possible, but I don't know how. I am using Fedora 38 and Samba Version 4.18.6.