On Tuesday, 6 November 2018 at 21:25:53 UTC, kinke wrote: > We don't use any MinGW functions at all Let me rephrase that: the new MinGW-w64-based libs don't *include* any MinGW functions at all, not a single one. So you cannot use one by accident. ;) - For more in-depth infos, check out the linked PRs in the release log.