That means the grey background behind the video lists will be going away, the link text is switching from blue to black and the thumbnails themselves are being enlarged. You'll also see less emphasis on the left-hand navigation bar. The YouTube logo and home buttons are shrinking and the subscription and library sections have been streamlined.

What's more, the language options at the bottom of the page have been moved to the user drop down menu, in its place you'll instead get even more videos. A nearly limitless number of them in fact because the site is implementing infinite scrolling. Even better, YouTube is also testing a feature that users have been clamoring for for years (and recently uncovered): Dark Mode! Now you won't burn out your retinas while trawling YouTube in a dimly lit room.