I had a quick look and the AI features that are added:

• LLM driven tagging suggestions
• Remote OCR (Azure AI)

They do look to be optional at least. I’d probably be a bit more concerned if the code was largely written with LLMs, given the large number of commits in what looks to be only a few months.

Effective as of the end of this sentence. This sentence I’m speaking right now. Period.

It’s the main flatpak repo, so it does get a lot of use on Linux. Anyway, people who really want those apps will just have to add a third party repo most likely.

They mean on the client side most likely. A reverse proxy will be transparent to the user.