Answers 7.x-3.3 uses NodeReference and NodeReferenceCount. Answers 7-x.4.x uses EntityReference instead of NodeReference.
Since NodeReference is obsolete, it should be replaced with EntityReference, and EntityReferenceCount.
This is part of a larger plan to provide an upgrade path from 7.x-3.x to 7.x-4.x
Everything should look, and feel the same after add EntityReference.
Closed: outdated
4.0
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