This is the effect I am describing. I am emulating using a Pixel 3 with API 32 on android studio. This page is a scrollview with no styling, and a bunch of views with color stylings and height and width set.

This is an effect added by Google in Android 12, this is called "overScroll".
You can turn it off in react-native by using <ScrollView overScrollMode="never">.
See React Native ScrollView doc here.
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