I noticed the last time I played Doom Eternal, the smoke behind the rockets looks really bad. No other issues just that smoke. It looks like triangles.
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There are posts from 2021 in the Steam Discussions section but it seems no one has found a fix.
Everything maxed out, ray tracing off, 1080p.
Ryzen 7 3700X, 32GB RAM 3200Mhz, Gigabyte RX 6800 XT Gaming OC.
Adrenaline 22.8.2
https://steamcommunity.com/app/782330/discussions/0/3111395113754876709/#c3426697823591173598
https://steamcommunity.com/app/782330/discussions/0/3111395113751961809/
Ryzen 7 7800X3D, ASUS ROG STRIX B650E-F GAMING WIFI, G.SKILL TRIDENT Z NEO 2x16GB DDR5 DRAM 6000MT/s CL30, AMD Radeon RX 7900 XTX, LIAN LI EDGE 1300, Corsair MP600 PRO NH 4TB