Unfortunately, browsers don't seem to be interested in native support for much of anything. It's all just javascript APIs where the websites are incontrol of the experience instead of your user agent. Video streaming is extremely limited without client-side javascript. They even removed the minimal RSS support that we had.
We need browsers to natively support newsgroups. But that would cause too much political backlash, so it wouldn't happen.
Unfortunately, browsers don't seem to be interested in native support for much of anything. It's all just javascript APIs where the websites are incontrol of the experience instead of your user agent. Video streaming is extremely limited without client-side javascript. They even removed the minimal RSS support that we had.