= Scrolling

The scrolling architecture is unexpectedly complex, because it's feature-rich, and required to provide smooth scrolling independent of main thread work in as many situations as possible.

== Scrollable areas



== Scrolling features

=== Rubber-banding ("bouncing")

=== Latching

=== Scroll snapping

=== Touch-action



== Coordinated scrolling


=== Non-fast-scrollable regions

=== ScrollingCoordinator

=== The scrolling trees

==== ScrollingStateTree

Tree structure, frame boundaries

Node unparenting and reparenting

==== ScrollingTree