We understand that you’re trying to ‘recreate an experience’, however you have to at least understand that doing so while operating under the umbrella of 1.12 leaves you with a mess of contradictions and it’s your responsibility to maneuver such conflicting phases to best mirror the intended purpose of content releases.
In that regard, you didn’t just miss the mark with the release of Battlegrounds in their 1.12 state, you missed it by a Barrens corpse run.