Short version of this interview is that nothing is changing, other than they’re going to be asking a flat fee “$5-20” for the app, rather than relying on donations. All donation platforms have been closed. However, if you choose not to, as Louis says “that’s between you and your God”.
Project will remain AGPL and thus can be forked at any time. FUTO maintains the trademark of Immich name and logos.
You can look at some of their existing apps to see how this works.