Custom Subscribe Button! there should be a custom subscribe button. it you want to give your channel a certant look this website would be 10 times as customizable and great. do it its so cool

How about giving the users an option To self-host Vidlii similar to platforms like Peertube and LBRY so that just in the case that something bad might happen to the website, and you're unable to host it people can just create instances of Vidlii and bring it back to life.

Add the feature to dowload built in Add the feature of downloading videos in the website itself so we don't have to use other sites to download videos from here

Time Sequences the new youtube added a good feature, for once.
I'm not sure what's the official name of the feature but this
thing allows you to sequences timestamps into the player.
Like for example, 03:47 / Title Theme will show up on the player
as 03:47 - Title Theme and we are able to click into that timestamp in the player as well.

OG LIVESTREAMING/GROUP VIDEO VIEWING Origonal youtube livestreaming if possible, not the actual live streaming but like the group thing they had before.