moves slow as I add more objects to world
Hey there @PINRAVEN! Welcome back to the community! Sounds like you might be running into a bottleneck one way or another. Though there is also a rare bug in 5.2/5.3 in which the Epic Web Helper process is leaking memory that could also make longer editor sessions break down.
May I know your specs?
How large is your project?
I’d recommend doing some profiling to see exactly where the bottleneck is: