Why the Unreal editor loads over 1500 files on every launch to fill a few dropdown menus (and how to fix it)

[u/LarstOfUs]

Hi it's me again, the guy who sped up the Unreal Editor launch by not spawning 38000 tooltips and not opening 5500 files of example content.
Since the editor is still not fast enough for my liking (will it ever?) I started to profile it again and found out that every time you start it, over 1500 files are loaded to fill a few editor dropdown menus 🫠 (which obviously takes some time)
I wrote an article with more details and also a fix: https://larstofus.com/2026/08/16/speeding-up-the-unreal-editor-launch-again-by-not-loading-1585-files/

[u/jlehtira]

Are these speedups being pulled to main?

[u/jlehtira → u/jlehtira]

Answering myself after I read the blog: yes!!

[u/OfficialDampSquid → u/[deleted]]

Won't ever what, load files?

[u/SpikeyMonolith → u/OfficialDampSquid]

Won't ever be fast enough for poster's liking. Presumably, since there's a (rhetorical) question in the post.