[Scene Graph] Client crashes after 10 minutes of consistently spawning and despawning entities

[SGSensei]

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Summary Fortnite crashes if entity spawning and despawning happens to often Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Memory Steps to Reproduce Join Island. Press Button in front of you Wait and watch as sapling entities grow into tree entities which turn back into sapling entities for about 3 minutes (You can also observe the growing memory of the Fortnite process in the Task Manager) Expected Result Fortnite should not cras…

Classes never garbage collected?

Please select what you are reporting on: Verse What Type of Bug are you experiencing? Memory Summary Probably related to Weak maps don't hold weak references?? Garbage collector seem to (never?) collect unused classes Go to the !!! ISSUE !!! line in code Steps to Reproduce using { /Fortnite.com/Devices } using { /Verse.org/Simulation } some_class := class: MemoryIntensiveArrays : [][]float test_garbage_collector := class(creative_device): OnBegin<override>()<suspends>:void= …

Severe Performance Degradation When Adding/Removing Prefab Entities After UEFN V38.0 Update

After update V38.0, adding and removing entities in the world started to cause severe server degradation. I’m developing a procedural system that relies on spawning and removing Prefabs dynamically. Each prefab contains several child entities with components (static meshes, logic, etc.). Before this update everything worked fine but now the performance cost increased drastically. Using Verse profiling, the average cost to add just 1 prefab to the world is now around 300 ms, and the value kee…