And it's specifically that too. If I delete "Linux" from the UA and resend the request, it succeeds. If I delete just the 'x' off the end, it succeeds. If I lowercase the 'L' it fails. They are deliberately blocking Linux users from managing their Apple ID if they have one.
If I remove the "X11; " from the OS section of the UA, it succeeds. So they're sniffing for "X11; Linux" case-insensitive.
Guess Apple hates X11.
@alexbuzzbee let's keep in mind that this is the company that currently maintains Linux's printing subsystem
Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.