There is still an issue of youtube-dl being out of date. Even in testing from what I've heard. You also don't have an AUR for Debian and there are many things

There is still an issue of youtube-dl being out of date. Even in testing from what I've heard. You also don't have an AUR for Debian and there are many things that just aren't in the repos. Teamspeak 3, for example, is completely absent.