We no longer need it since Rect 16 takes care of passing the context around. It's also deprecated: https://atlaskit.atlassian.com/packages/core/layer-manager
The package now requires using a ModalTransition component to handle animations. The existing DialogContainer component has been split into native and web implementations to support this change.
Saúl Ibarra Corretgé
Leonard Kim
Bettenbuk Zoltan