Professor Solves Unreal Engine 5 Optimization Issues

It's no secret that games made with Unreal Engine 5 has Optimization issues and Tim Sweeney claims its the devs. Now ontop of the UE5 coding language changes since 2021, a professor reveals 2 issues and fixes to the engine itself.

Lars Thiersen Article on UE5 Performance issues:
https://larstofus.com/2025/09/27/speeding-up-the-unreal-editor-launch-by-not-opening-5500-files/
https://larstofus.com/2025/09/02/speeding-up-the-unreal-editor-launch-by-not-spawning-38000-tooltips/
https://larstofus.com/

UE5 fix plugin (Note need to have it pulled from UE5 else you get a Error 404):
https://github.com/EpicGames/UnrealEngine/pull/13865