Dolphin is plugin based. So there’s plugins for adding previews for more file formats. For network share stuff you may want to check if “kio” is installed and any optional dependencies on your distro for more functionality

There’s literally no change to their policy. They opened a discussion about stricter policy for PRs, but it got derailed by a few non-devs. That’s my understanding of it at least.

Well I guess if their car manufacturers can’t compete with China they can always make bombs for children