bbhtt

Not too happy but seems fine after the last comment.

> --filesystem=host is already meant to share every top-level directory with the sandbox (internally this is called "exporting" the directories), except for a finite number of exceptions listed in the...

Can you show an example flatpak search output where this is happening? Summary should not have newlines, appstreamcli validate catches this https://github.com/ximion/appstream/blob/a5f1d4d39c41c31232b40f0960a5c6414cf77ea1/src/as-validator.c#L3215

It's trying to pull on all related refs ending in `.Debug` whether or not the app uses it. The compat extensions are all optional opt-ins, the `Extension` definition is in...

> But isn't that kind of the point: we don't know which ones are actually required, so we just install all of them? I don't think so it is likely...