2019-07-21, 11:45
It has been like that since the option to select video quality was introduced. Changing it to 1440p or higher and video will play with 60fps. Doing that will also prevent a lot of video from playing, they buffer indefinitely or might play without issue after the second, third or fourth try.
Leaving the option at 1080p all videos will play, but with 30fps.
Leaving the option at 1080p all videos will play, but with 30fps.