Comment 21 for bug 1961079

I have uploaded a test build of Subiquity with this feature enabled.
I lack appropriate hardware to verify for myself, so please help test.

To do so, please boot
https://releases.ubuntu.com/jammy/ubuntu-22.04.2-live-server-amd64.iso
with kernel command line
subiquity-channel=beta/lp-1961079

At the "Installer update available" screen, allow the update to
proceed. Continue the install as normal. If done on a computer with a
matching system-product-name, the raid device should be selectable as
a permissible boot device.