Did I dream things up, or has the project never been clear about the fact it is macOS only when it was in closed beta? I have received countless e-mails from th

Did I dream things up, or has the project never been clear about the fact it is macOS only when it was in closed beta? I have received countless e-mails from them (because signing up to the newsletter was required to be registered to the waiting list), but I would never have signed up if I had known it is macOS-only.