[CrashReport] UE4Editor_CoreUObject!UPackage::Save() [savepackage.cpp:4597]

UE - Gameplay - Blueprint Compiler - Jul 14, 2017

This is a common crash affecting users in 4.16. Users have not provided additional information. Source Context// Set the parent index, ifthis export represents a UStruct-derived object 4589 ...

[CrashReport] rml::internal::Block::findObjectSize() - UBlueprintGeneratedClass::DestroyPersistentUberGraphFrame

UE - Gameplay - Blueprint - Sep 7, 2017

This is an infrequent crash that has occurred for a few users exclusively in 4.17.1 (possible regression from 4.17.0?). Users have not provided any descriptions of their actions when the crash occu ...

[CrashReport] UE4Editor_Core!FName::GetDisplayNameEntry() [unrealnames.cpp:894]

UE - Rendering Architecture - Materials - Sep 14, 2017

This is a somewhat common crash in 4.17.1. This same callstack appeared a few times during 4.11, but then has not been seen until recently. Users have not provided any descriptions of their action ...

Pick New sprite option becomes unavailable if you change the view options

Tools - Jan 4, 2018

The Pick New sprite option becomes unavailable if you change the view options to either tile or column when working with the keyframes of a 2D animation. This issue affects the project indefinitely ...

Component names do not increment correctly when duplicating a component whose name ends with a number

UE - Gameplay - Components - Apr 10, 2019

REGRESSION: Yes, this does not occur in 4.21. This also occurred before CL 58120777, which fixed [Link Removed] Duplicating or Copy/Pasting a component whose name ends in a number does not increme ...

4.24 Instanced Stereo Distortion Error in ComputeBufferUVDistortion

UE - Graphics Features - Nov 13, 2019

4.24 moves distortion calculations to the file DistortionCommon.ush and its`ComputeBufferUVDistortion` function. The code in the INSTANCED_STEREO define no longer works as `Interpolants` isn't passe ...

UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision

UE - Simulation - Physics - Apr 20, 2020

Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...

Data validation FAILED due to IWBE_Blutility containing invalid data

UE - Content - Engine - Jan 11, 2021

4.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...

Chaining AutomationTool Commands leads to an endless loop

UE - Foundation - Cpp Tools - Automation Tool - Nov 23, 2022

Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to not be a regression since the error also occurs on the previous live version. This is regression ...

Instanced Static mesh does not LOD at the same screen distance as standalone mesh

UE - Graphics Features - Nov 11, 2014

DESCRIPTION: When using instanced static mesh component in a blueprint that has LODs the normal distances for LODs are not reflected for the instanced static mesh component. AH Post: https://answe ...