FMassArchetypeData::ExecutionFunctionForChunk crashes on binding shared fragments

UE - Engine Scaling - Mass - Feb 14, 2023

FMassArchetypeData::ExecutionFunctionForChunk is using wrong mappings while binding shared fragments. It's using RequirementMapping.ChunkFragments while it should use RequirementMapping.ConstSharedF ...

Crash when TSR history separate translucency enabled

UE - Rendering - Features - Mar 1, 2023

Collison and Simple Collision Mip Level Crash

UE - Graphics Tools - Terrain - Landscape - Mar 21, 2023

Light Mixer crashes on transform context menu

UE - AI Workflows - UI Systems - Dec 19, 2023

Originates from UDN [Link Removed] ...

Crash in WorldPartition when creating cyclic references in LevelInstances

UE - Engine Scaling - Streaming - Level Instances - Feb 1, 2024

Crash when closing a connection from listen server when using

UE - Engine Scaling - Streaming - World Partition - Oct 3, 2024

Interchange Runtime .glb Import Crash When Packaged

UE - Editor - Open File Formats - glTF - Jun 10, 2025

The runtime import process works fine in editor, but fatal error when trying to do so with packaged build of project. My function that calls ImportAsset():bool UMeshLoader::RequestMeshLoad(FString ...

Rare crash when changing scalability settings rapidly

UE - Rendering - RHI - Mar 10, 2026

It seems like the code in RefreshSamplerStatesCallback() can overlap with FillUniformBuffer when it mutates the Wrap_WorldGroupSettings and Clamp_WorldGroupSettings FSharedSamplerState objects. Addi ...

Crash in AWaterBodyOcean with PIE seperate process server

UE - Graphics Tools - Terrain - Water - Jun 26, 2024