Add roundings pls
the area looks outdated

This will keep and not to change.

rounding — https://i.imgur.com/7eUAPat.jpg

This userscript will not implement round angle design.
You can use UserStyle to do this rounding.

If you really want it, I can make the userstyle for your personal use.
Before that, please change the review to "GOOD" first.

This is not a bug. This is user's feature request.

yes

1. Install Stylus
2. Install this userstyle
https://greasyfork.org/scripts/467638-tabview-youtube-design-customization

3. Open the settings and enable both.