What's the status of all the work on loader? Confused by several projects

[Peter G.]

Good day,

what is the current "chief" project focused on improving UEFI support,
including ZFS and GELI? Recently Waren Losh unveiled his plans on loader
changes.

Projects I've been following:
https://reviews.freebsd.org/D12692
https://reviews.freebsd.org/D12698
https://reviews.freebsd.org/D12732
https://reviews.freebsd.org/D13497

and more recently:
https://reviews.freebsd.org/D15743

and now Waren's recent:
https://reviews.freebsd.org/D15917

How do these overlap? Or put differently, when can we expect UEFI
support with ZFS boot and GELI full disk encryption? ELI5!

Many thanks!

Peter