Just released a few hours ago:
Supposed to fix the compatibility issues with latest Linux kernel. I've been waiting on this to update my Fedora Linux workstation machine.
Release zfs-0.8.4 · openzfs/zfs
Supported Kernels Compatible with 2.6.32 - 5.6 Linux kernels Changes Add missing zfs_refcount_destroy() in key_mapping_rele() #10246 Linux 5.7 compat: blk_alloc_queue() #10181 #10187 Prefix stru...
github.com
Supposed to fix the compatibility issues with latest Linux kernel. I've been waiting on this to update my Fedora Linux workstation machine.