don't worry about validating newly created dynamic elements that have already been deleted by next frame, https://github.com/phetsims/natural-selection/issues/311 https://github.com/phetsims/tandem/issues/264
don't worry about validating newly created dynamic elements that have already been deleted by next frame, https://github.com/phetsims/natural-selection/issues/311 https://github.com/phetsims/tandem/issues/264

phetsims/tandem,phetsims/tandem,phetsims/tandem