Example.com has been updated after 11 years (web.archive.org)

Old text

This domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission.

New text:

This domain is for use in documentation examples without needing permission. Avoid use in operations.

I think this had the new text before October 1 for me in the US, but the change has definitely been up for at least a few weeks.

Probably meaningless but feels ominous.