https://android.chk.digital/2016-10-06/dont-ask-read-the-newest-entry-1-8-16/
in the version history (https://android.chk.digital/personal-sunrise/version-history/), and you’ll understand why I am angry with Google.
The operating system used to be clean and (relatively) easy to program apps for, but in the meatime it has become a mine field of problems showing up with each new version.