A couple of days ago, Google sent out via Google Search Console a nice number of AMP notifications related to new issues detected. The thing is, the issue isn’t new, the notification about the issue is new.

The notification reads “New AMP issue detected for site.” The message of the notification reads:

Google changed the AMP image size recommendations a year or so ago and now Google is sending notifications to those who still have not addressed the issue. Ivan Tobon and Dawn Anderson noticed this first and posted on Twitter:

John Mueller from Google confirmed the issue isn’t new but the notification about the issue is kind of new:

Forum discussion at Twitter.