SceneGraph Memory Leak causes Fortnite to crash

[SGSensei]

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= …

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Summary Haven’t really been able to chase down a reason that this happens, but it seems to be related with the number of entities being continuously spawned and de spawned. The game is running perfectly smooth up until the crash, and the fortnite client itself is what crashes, the session seems to remain alive, although I cannot relaunch it without it finally dying. Please select what you are reporting on: Verse What Type of Bug are you experiencing? Stability Steps to Reproduce Every few sec…

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…