PC freezes multiple times when launching live edit (regression, 2nd time)

Summary

This was reported again, fixed, now its back. When launching live edit, after it has finished loading (this time, not while loading it like last time), my PC would completely freeze multiple times for 1 second.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

Launch live edit (not sure which project complexity, I launch on one thats 8k actors)

Expected Result

UEFN doesnt cause CPU spikes when launching live edit

Observed Result

UEFN causes CPU to peak at 100% for one second, and my PC full freezes (including mouse cursor).

Platform(s)

PC

https://i.imgur.com/ty8HjH7.png