There is a new pull request by leahneukirchen against master on the void-packages repository

https://github.com/leahneukirchen/void-packages grub-zfs
https://github.com/void-linux/void-packages/pull/14801

grub: grub.post: set ZPOOL_VDEV_NAME_PATH=YES
Not setting this results in the output of 'zpool status' being
misparsed.

See https://github.com/zfsonlinux/grub/issues/5

A patch file from https://github.com/void-linux/void-packages/pull/14801.patch is attached