ok but WHY IS THE DESCRIPTION ITS OWN POPUP? and WHY DO THE THUMBNAILS TAKE UP SO MUCH SPACE??

YEP; THE NEW PC UI SUCKS; YOUTUBE; EVERYTHING IS INCREDIBLY CLUTTERED AND NOISY; YEP; THE OLD LAYOUT WAS PERFECTLY FINE; SOUNDS GOOD TO ME; SO REVERT THE CHANGES AND KEEP THE OLD UI; IT'S A LARGE IMPROVEMENT