Enabled Dolby Vision with new 2.1 HDMI cable. : r/appletv
Amazon.com: OneConvey 8K HDMI Cable (HDMI 2.1) 3.2Feet -Ultra High Speed HDMI Cable 48Gbps Optimal Viewing for Apple TV and Apple TV 4K Xbox PS4 4K Dolby Vision HDR10 Ethernet/ARC Dolby Atmos :
Sewell 8K HDMI 2.1 Cables, 4K 120Hz, 48Gbps, supports Xbox Series X an — Sewell Direct
Amazon.com: iBirdie 8K HDMI 2.1 Cable 1.5 Feet 8K60hz 4K120hz 4K144hz HDCP 2.3 2.2 eARC ARC 48Gbps Ultra High Speed Compatible with Dolby Vision Atmos PS5 PS4 Xbox Sony LG Samsung : Electronics