Windows wheels bundle selected native DLLs and include license texts for those DLLs and their bundled dependencies. Linux wheels link against system-provided native libraries and do not bundle them; relevant dependency license texts are included as notices.

Dependency sources:
https://github.com/msys2/MINGW-packages
https://src.fedoraproject.org/
https://almalinux.org/

See THIRD_PARTY.md for the bundled libass source and metrics patches.
