HISENSE-BUG4:

Verified Affected TV Sets: 2023 55U8K, 2023 65U8K, 2023 75U8K, 2023 85U8K, 2023 100U8K, 2024 55U8N, 2024 65U8N, 2024 75U8N, 2024 85U8N

Affected Firmware Versions: 55U8K_55U8N_55E85GUA_O1030.zip, 55U8K_55U8N_55E85GUA_P0414.zip

Bug Description: Random horizontal artifacts/lines appear on the screen with no discernable pattern to them (they are random but highly irritating) in any resolution using high speed HDMI 2.1 FRL speeds (basically anything at or above 4k@120hz 10bpc).  Gsync or higher rates makes this worse.  Great work Hisense, right?  

Possible Workarounds: None known.