Apple/macOS quietly removed from official Unix registry

Apple/macOS has been removed from The Open Group's official Unix registry without a public announcement. The change surfaced via a Hacker News post that drew 158 points and 159 comments. Apple has not explained the removal.

• macOS no longer appears in The Open Group's Unix registry
• The Hacker News post drew 158 points and 159 comments
• Apple has made no public statement on the removal
• Unix certification confirmed API compliance with the standard