I had a similar experience with scalable graphics and having to support anything from Android 4 (can't remember if .2 or .4) to Android 8. It feels like program

I had a similar experience with scalable graphics and having to support anything from Android 4 (can't remember if .2 or .4) to Android 8. It feels like programming in JavaScript and trying to support anything from IE 8 to the latest Chrome, Android is full of polyfills and helper libraries whose only purpose is to fill in the gaps for missing, replaced or removed functionality.