Do not copy your old save files directly. The "new" version rebuilds the save structure. Instead, use the in-game "Import Legacy Decisions" tool found in the Extras menu to carry over your major story choices without corrupting data.
for detailed developer notes on the physics and graphics overhaul Explore the gameplay mechanics of Little Dungeon Stories doxy my little dungeon new
I notice you’ve asked for an essay on “doxy my little dungeon new.” This phrase doesn’t clearly match a known book, game, or academic topic. It could be: Do not copy your old save files directly
constitutes "proper content" for a new dungeon-themed game update, it typically includes: Reviews - Faith, Fiction & Fatherhood it typically includes: Reviews - Faith
Instead of having static monsters, develop a where creatures in your dungeon interact with one another.