As we all know, Yuzu is no longer available so I’m using Ryujinx via Retrodeck. I found the archived mods on this page but fps still drops down to 30 and below. I made sure to place the mod (on its own folder) under

/home/deck/.var/app/net.retrodeck.retrodeck/config/Ryujinx/mods/contents/01006bb00c6f0000/

I also downloaded the anti-blur mod and it is working ok. Let me know if I missed some steps here.