Join the official Ryujinx Discord (linked from their GitHub) for real-time compatibility help. Many users share which firmware works for a specific game.
Your prod.keys file must match your firmware version. If you update your firmware to 22.1.0, you must also obtain and install version 22.1.0 keys for the emulator to decrypt and launch your ROMs. ryujinx firmware latest versions and compatibi link
https://github.com/Ryujinx/Ryujinx-Firmware/releases Join the official Ryujinx Discord (linked from their