Thank you for the detailed feedback. Really useful.

On streams: I never thought about it as an use-case. Thank you for bring it up. Will look into it.

Showing 5 videos/channel is intentional. Idea is to only surface latest videos and not re-create a scroll feed like Youtube. But if I get more feedback from users that it is too restrictive then I can easily make it to recent 10 or 15 videos. What do you feel as an appropriate number of recent videos per channel is?

Good catch on the channels tab. Currently it just manages your list. Tapping a channel to jump to their feed section is a neat idea though, will look into adding it.