missing streaming level array in 4.23

so im currently looking for the window were i can add maps to the streaming level array and it appears to be missing.
engine version 4.23


this is how it used to look like
but were is it now?
its honestly bothering me that its not been updated since 4.12 …
pls help :frowning:

Answere: World Composition needs to be off if you want to use level streaming.