Migrate from ObservableArray => createObservableArray (Proxy), see https://github.com/phetsims/axon/issues/336
Migrate from ObservableArray => createObservableArray (Proxy), see https://github.com/phetsims/axon/issues/336

phetsims/phet-info,phetsims/phet-info,phetsims/phet-info,phetsims/phet-info