WiiSX Beta 4.0 is released. A port of the PS1 emulator, PCSX, to the Nintendo GC/Wii.

WiiSX / CubeSX Beta 4.0 Changelog:
libpsxcore properly integrated, no more hacky mess to receive fixes from upstream
switch to upstream unai gpu plugin for a performance boost
triple buffering
switch to cmake

Download: WiiSX v4.0
Download: CubeSX v4.0
Source:Here