The link to the question in slack was:
Which resulted in:
Page Not Found
We can't find that page. This could be because:
The page doesn't exist.
The page exists, but you don't have view permission for that space.
The question is present at the URL it was created under:
Where is the tinyurl.action thing coming from? For regular page create/update notifications, the url pattern is:
and that seems to work. Is this something atlassian support needs to answer?