Crash while closing Create Blank New Blueprint window after attempting to name blueprint the same name as another blueprint

UE - Gameplay - Blueprint - Jul 27, 2016

Crash while closing Create Blank New Blueprint window after attempting to name blueprint the same name as another blueprint. This crash only occurs when attempting to close the window using the "X" ...

[CrashReport] UE4Editor_Engine!UEdGraphPin::Modify() [edgraphpin.cpp:619]

UE - Gameplay - Blueprint - Aug 29, 2017

This is an infrequent crash coming out of the 4.17 release. User DescriptionsNICE PIN FIX NOW I CANT ADD VARIABLES NORMALLY Source Context 612 void UEdGraphPin::SerializeAsOwningNode(FArch ...

Replication issues & warnings if a client hitches while the server seamless travels

UE - Networking - Jul 28, 2020

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...

Skeletal mesh reduction - Material settings are lost when regenerating the LOD in a mesh with a reduced material section

UE - World Creation - Worldbuilding Tools - HLOD - Nov 25, 2020

Following code fixes this issue in FQuadricSkeletalMeshReduction::ReduceSkeletalMesh Section.ChunkedParentSectionIndex = bIsChunkedSection ? CurrentParentSectionIndex : INDEX_NONE; // ...

Final Gather Quality Post Process setting causes severe rendering issues in the Stack-O-Bot project

UE - Graphics Features - Lumen - Feb 24, 2022

When opening the Stack-O-Bot project in 5.0 Preview 1, the project has a rendering issue where bright shimmering lights appear all around the screen. I discovered that this is due to the PostProcess ...

CreateDynamicMaterialInstance will pull from the base rather than overridden mesh on SkinnedMeshComponent when run from construction script

UE - Framework - Blueprint - Feb 6, 2025

When UPrimitiveComponent::CreateDynamicMaterialInstance is called on a skinned mesh, and the input material is invalid, we call USkinnedMeshComponent::GetMaterial to get the base material on the exi ...

Crash when exporting static mesh actor to FBX (Array index out of bounds)

UE - Editor - Content Pipeline - FBX - Apr 25, 2025

I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...

Editor crash on Mac when closed after adding third party library plugin

UE - Platform - Apple - Apr 11, 2016

After adding a third party plugin to a project and restarting as prompted, closing the editor again causes a crash. Crash Reporter Link: [Link Removed] Additional Note: This crash was encountered ...

Custom Depth as Mask in High Resolution Screenshot Tool saving Boolean Value

Tools - Jul 28, 2016

Closing and re-opening a project that had the 'Use Custom Depth as Mask' option checked within the High Resolution Screenshot Tool, will cause the boolean value to be unchecked and the viewport to r ...

Particle emitter Depth Fade node isn't accurate on iOS

UE - Platform - Mobile - May 18, 2017

Particle emitter Depth Fade node isn't accurate on iOS. When set to a normal value (around 100) it will fade out at about 65,000 units away from the particle. Licensee Description: we use a partic ...