If you just want the best working version for Wii today:

Fixing common crashes that occur when loading large directories or switching between intensive cores.

This is a comprehensive guide for running patched RetroArch builds on the Nintendo Wii (original Wii, not Wii U). It covers patched vs. stock builds, common patches, installation, cores, cheats, controller config, performance tips, and troubleshooting.

: If you are looking for the "patched" experience with extra systems, download the community-maintained core packs from GBAtemp. SD Setup :

Patched versions often include "unofficial cores" that aren't included in the standard Libretro buildbot, providing support for niche systems or arcade hardware. Key Features of Patched Versions