Despite Apple's boasting about 4k, HDR and Dolby Atmos support in Catalina, still is non-existent. In December, 2014 (yes, nearly 6 years ago), MacWorld.com wrote the article, why you can't get 4k Netflix on a PC or Mac (Even though they're capable). Since then, Windows 10 has had some in-roads, but it's still not great. macOS has made virtually none.
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