Appinventor SDK de 7 to 21 HOW?

[ewpatton]

You can see how to disable the Google Play feature that requires min SDK 21 here:

Minimum SDK... Play Store doesn't like my .aab

This is a new feature of Google Play and has nothing to do with extensions. Specifically, Google now by default has a feature called "Automatic Protection" for apps, which if turned on injects new code into the AAB before it is converted into APKs to be distributed to users. The code Google injects requires the app be min SDK 21. It looks like if you turn it off you can upload AABs created by App Inventor without issue (like every app ever made up until Google introduced this new mechanism). Her…