Overall, I'm delighted with the direction YAF has taken, but there's one major flaw that sticks in my craw: the mobile template isn't responsive enough to handle embedded videos. They break the table every time:
Screenshot_20200229-105334.png
You have insufficient rights to see the content.This is on Chrome for Android, although it looks the same in other mobile browsers.
I feel like this would be an easy fix—the embedded video simply has to be resized on the mobile template—but I don't know enough about the innards of YAF to understand how feasible a fix would be.