I believe macOS forces UTF-8 filenames and normalizes them to something near-but-not-quite Unicode NFD.
Windows doing something similar wouldn't surprise me at all. I believe NTFS internally stores filenames as UTF-16, so enforcing UTF-8 at the API boundary sounds likely.
Windows doing something similar wouldn't surprise me at all. I believe NTFS internally stores filenames as UTF-16, so enforcing UTF-8 at the API boundary sounds likely.