BuildPatchTool crashes on Mac and Linux when building android or ios with multiple chunks

Portal - Feb 18, 2020

"It seems that deallocation of TLazySingleton<FInternationalization> causes unhandled exception. If DISABLE_LAZY_SINGLETON_DESTRUCTION=1 is provided - the build completes successfully" ...

Crash after generating HLODs for merged meshes that have all triangles culled

UE - World Creation - Worldbuilding Tools - HLOD - Jul 25, 2024

[CrashReport] FGraphActionNode::~FGraphActionNode()

UE - Rendering - Architecture - Materials - Sep 28, 2017

This is a trending crash coming out of the 4.18 Previews. User Descriptionstrying to use media framework in mpseemingly random crashes, mostly when interacting with blueprint editorctrl drag float ...

AEditorFunctionalTest causes assert in WP map

UE - World Creation - Worldbuilding Tools - World Partition - May 9, 2022

"Assertion failed: Pair != nullptr " when trying to create a basic test with AEditorFunctionalTest in a WP map. ...

check(!bPostTickComponentUpdate) fails triggered by UNiagaraComponent::CreateRenderState_Concurrent() and StaticMeshCompilingManager::FinishCompilation()

UE - Niagara - Rendering - Jul 23, 2024

Reported alongside [Link Removed] Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears t ...

Editor asserts when deleting a morph target from a skeletal mesh

UE - Editor - Content Pipeline - Asset Build - Oct 24, 2022

Syncing changes in multi-user editing tool results in crash

UE - Virtual Production - Tools - Multi-user - Dec 18, 2019

When using the multi-user editing tool inside a 4.24 project, persisting changes will sometimes result in a crash.  Unable to reproduce the issue. However, the user has reported occasionally re ...

Merge Actors with assigned same material to multiple slots causes an assert

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jun 20, 2019

[Image Removed] [Image Removed] ...

Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC uasset increases.

UE - Simulation - Physics - Destruction - Nov 26, 2024

Using GeoMerge on fragments of a GeometryCollection (GC) will create a new single particle while removing the old particles, but although you end up with less particles, the disk file size of the GC ...