How to officially watch videos of higher quality

Recently there was an article on how to watch videos of higher quality with the arguments in the address bar. But yesterday, a post appeared on Google's blog, that now you can watch videos of higher quality more simply and not knock on a tambourine and think why the quality has not improved. The original article can be found here . In a nutshell - now there is a link “watch this video in higher quality”, which allows you to watch videos of higher quality. On this link you can see what videos are in good quality.
For example this: