Afaik the resolution is lower and some audio features are not supported in most browsers. It is only Microsoft Edge on Windows and Safari on Mac that supports 4

Afaik the resolution is lower and some audio features are not supported in most browsers. It is only Microsoft Edge on Windows and Safari on Mac that supports 4k, https://help.netflix.com/en/node/13444 https://help.netflix.com/en/node/13444.