As everyone else has stated, this new UI is a downgrade. It not only bloats the images and tiles, so you can't see as much at once as you used to, but it also makes browsing the site more straining on the eyes since they decided to get rid of the light grey in favor of dark grey/black.
To whoever designed the UI I just have to ask why? You not only removed the color and uniqueness of the site. You also got rid of the soul in favor of cookie-cutter "sleek minimalism" modern web design. Is this for the 40% of mobile users even though you aren't modding PC games on mobile?