It's being dropped upstream* and recently lua51 was removed along with luajit*. mingw32 already covers 32-bit support, and it's not like we're in dire need of this so just remove it. *: https://github.com/msys2/msys2.github.io/commit/89521b9f8d43b6ebf4a4f4a51c912066ab5f5b50 *: https://github.com/msys2/MINGW-packages/commit/947a8592ca9b7d4af6d6520d3083f6118a390036