Hey all,
This short YT-video shows my issue
Exspected behavior: Dont freeze or freeze every time the UI is shown in game.
Actual behavior: The game freezes the first time the UI is used after starting the UE5. The freeze length is between 2 and up to 10 seconds. After that everything works perfectly fine.
Suggestion: Some kind of resource isn’t loaded in time after starting the engine.
How do i make sure every png/soundfile/etc is loaded when starting the game?
Best regards,
M
Could it be a shader compile issue? Is there any Niagara effects that play during the boulder / meteor impact?
You could try forcing a recompile of shaders via a console command:
recompileshaders all
No i dont use any effects yet. Maybe its some kind of null pointer 
?
a null pointer would lead to a crash. Are you perhaps resolving any type of soft class / soft object via async load while doing that action?
As far as i can see it right now iam not loading anything async. However i found some casts that may slow things down.
I also disabled the UI animation to check if some soundfile/image causes problems, but it didn’t change anything.
I will double check the possible async stuff and report back here
So i tracked down the function that is causing the issue:
If i remove the execution pin the lag has a length of ~ 0.01 seconds, wich may be caused by all the casts i do before this function.
Why not cache the game state cast to a variable at begin play and just never cast again past that point? Then there is no penalty on the function call.
Then call refresh on that variable.
Yea i also think the game state cast i causing most of the issue, because it may not be loaded in time. I will mark this as solved and report if i managed to fix this issue. Thx for pushing me in the right direction 
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