Thanks IgorG. I hadn't upgraded to 12.5 yet, so it wasn't showing. I've used it now and it works great.
How can we use the Let's Encrypt certs to secure the panel? The certificates aren't appearing in "/admin/ssl-certificate/list"
FWIW, the answer to my question was to just upload the release and run "./letsencrypt-auto" from the shell.
With the public beta underway I have successfully configured some domains, and plan to slowly roll it out to a few more over the next week.
IgorG - Feeling like a noob here, but how do we install it? The readme is a bit sparse.
When I try to add it through the Extensions panel, I get "Error: Unable to install the extension: Corrupted meta.xml file."
I cant see meta.xml anywhere in the project. Do we need to run the scripts manually?