What did they do?

Jellyfin is a fork of Emby, so they share much of their codebase.

People downvote you but gimp’s interface and UX is atrocious. I only use it because I’ve been using it for >20 years and I understand how it works, but still…

I’d also add the tip of installing a Windows-looking window theme. People just want the classic window buttons (X for close, etc.), not some fancy icons.