ZFS v28 is ready for wider testing.

[Anonymous]

Pawel Jakub Dawidek <pjd at FreeBSD.org> writes:

> I'd like to give you ZFS v28 for testing. If you are neither brave nor
> mad, you can stop here.
[...]
> So test whatever you can and report back. Look for regressions, strange
> behaviour, missing features, deadlocks, livelocks, preformance
> degradation, etc.
[...]
> The boot code is not updated at all, so booting off of ZFS doesn't
> currently work.

This only apply when one's upgrading the pool's metadata.
Besides, I think bootcode doesn't support gzip-compressed pools, too.