The patched nature improves the original Java/Shimeji-ee engine flaws:

Troubleshooting

The term "patched" is slightly misleading. Ubisoft did not release a security update to remove Rayman from your PC. Instead, the "Rayman Shimeji Patched" crisis refers to .

For years, a specific frame in the Rayman sprite sheet—taken from his "punch" animation—had a corrupted pixel vector. When the Shimeji’s AI randomly selected this frame during its "climb" behavior, the character wouldn’t just hang. It would multiply . In a matter of seconds, your desktop would be overrun by 50+ Raymen, each one dragging a phantom lum particle, leading to memory leaks, cursor freezes, and in one reported case, a BSOD (Blue Screen of Death) on Windows 11 build 22H2.