This content was released on Mar 2 2021. The official support period is 6-months from this date.
Widgets can support up to three sizes. Use the widget extension code, along with a refactoring of your app code, in order to handle the right ones.
This is a companion discussion topic for the original entry at https://www.kodeco.com/20591515-swiftui-charts-for-widgetkit/lessons/5