Deprecated API removed after v3.3

Summary

Changes

RenderUnconstrainedBox
DragAnchor, Draggable.dragAnchor & LongPressDraggable.dragAnchor
ScrollBehavior.buildViewportChrome

Timeline

Summary

In accordance with Flutter’s Deprecation Policy,
deprecated APIs that reached end of life after the
3.3 stable release have been removed.

All affected APIs have been compiled into this
primary source to aid in migration. A
quick reference sheet is available as well.

Changes

This section lists the deprecations, listed by the affected class.

RenderUnconstrainedBox

Supported by Flutter Fix: no

RenderUnconstrainedBox was deprecated in v2.1.
Use RenderConstraintsTransformBox instead.

Where unconstrained in both axes, provide ConstraintsTransformBox.unconstrained
to constraintsTransform.