User blog comment:Rappy 4187/Technical Update: November 30, 2015/@comment-3247345-20151201183352/@comment-126761-20151201195744

This is actually mentioned in the notes. We'll make sure to pass on your feedback about it to the team.

If you click "No", it should never appear again for you. If that doesn't work, please let us know via Special:Contact/bug.

We are continuing to work on portable infoboxes - if there are specific aspects that we aren't covering, please send let us know (via Special:Contact/feedback).