Ok let me stop you right there.
When you benchmark you need to do so with a standalone build - and the editor closed or at the very least minimized.
Since the editor itself is liable to steal a ton of perfoemance you would otherwise need to run the game.
I’ll review the rest just to see if anything jumps out, but given the state of the engine things getting 80fps with the editor open or with Pie is already a win.
I didnt see any obvious FPS drops or areas where it is slower than others.
I would sugfest fixing shader complexity to be lower on those Windows - its probably the transparency and I dont think you need it in the current way they are used (seen minimally from afar).
But it wont change all that much.
Merge objects - like the tombstones - togeter if they are above 100 or so indivisual non-instanced meshes.