Yes it does! 4k UHD (2160p) offers 4x the resolution of HD (1080p) and is available on Netflix with the Premiere subscription (currently $19.99 per month). You also need high-speed internet (at least 25Mbps recommended) and a 4k TV or 4k computer monitor.
Netflix also streams in Dolby Vision HDR, but to view the higher color depth you need to have an HDR TV or HDR device. Read How To Get 4k/HDR On Netflix.
In addition, Netflix offers Dolby Atmos on certain movies and TV shows. The immersive audio format can place sound over your head and behind you with the right speaker system that supports Dolby Atmos. Learn How To Get Dolby Atmos On Netflix.
