They have a history of such changes. YT has been breaking user-experience on non-chrome browsers for years now. Between 2015-2017 they were racing with the new

They have a history of such changes. YT has been breaking user-experience on non-chrome browsers for years now. Between 2015-2017 they were racing with the new codecs of which none were supported on Safari or Firefox, so browsers simply stopped playing videos for several days or weeks.