The Duffer Brothers say that Nancy and Jonathan are broken up “I think us — and the writers — all felt that Nancy needed to end up on her own and be independent and have an opportunity to find herself” (Source: https://people.com/stranger-things-did-nancy-jonathan-get-engaged-exclusive-11873748?taid=694ded15f6b710000197402b&utm_campaign=peoplemagazine&utm_content=new&utm_medium=social&utm_source=twitter.com)