Crash Occurs When Renaming Folder in Landscape Mountains Project

Tools - Jun 23, 2016

Changing the name of a newly-created folder that contains a few copies of the same map causes a crash in the Landscape Mountains project. This crash did not occur in a clean First Person project wh ...

FBX & OBJ Files no longer Import with their UVs Depending on Software Used

UE - Editor - Content Pipeline - Import and Export - Sep 6, 2016

Importing an OBJ file no longer imports the UVs. Test asset included for OBJ and FBX version of the same file. Added Test FBX from SketchUp Tested with: 4.12.5 CL-3039270 - Working 4.13.0 CL-31 ...

Passing a delegate as part of the parameter list for a second delegate causes UHT to crash on compile.

UE - Foundation - Core - Mar 22, 2016

When declaring a delegate that takes another delegate as the variable type for one of its parameters, UHT will crash when attempting to compile the code. ...

Selecting Public/Private when created a class forces any classes added after to either be Public/Private as well

Tools - Mar 22, 2016

In the New C++ Class window when naming the project, if Public or Private are selected (next to runtime) all classes created after that point will assume Public/Private with no option to have neithe ...

Crash on checking event track key property after setting static mesh reference element

UE - Anim - Sequencer - Oct 19, 2017

Event track key with a structure containing staticmesh reference. Setting the staticmesh then reopening the property crashed the editor. ...

int64 UProperty with ExposeOnSpawn meta tag won't compile.

UE - Foundation - Cpp Tools - UnrealHeaderTool - Mar 25, 2020

int64 UProperty with ExposeOnSpawn meta tag won't compile from a C++ UUserWidget class. ...

STAT_VolumetricLightmapBuildData is not counted correctly

UE - Graphics Features - Dec 9, 2022

STAT_VolumetricLightmapBuildData isn't counted correctly. It seems that the root cause is Volume.IndirectionTexture.DataSize is set to 0 before STAT_VolumetricLightmapBuildData is decreased.// Prec ...

New Third Party Plugin does not compile on Mac and Linux and prevents project from opening

UE - Foundation - Cpp Tools - UnrealBuildTool - Mar 29, 2016

When the plugin wizard is used to create a new third party plugin and restart the editor as prompted, there is a prompt to rebuild the plugin/project. On Windows this rebuild happens successfully a ...

iOS/tvOS false positive on Shipping config warning

UE - Platform - Mobile - Nov 16, 2018

This warning appears even when building for Shipping config. It did not occur when packaging for Android. ...

Conditional crash when a DragAndDrop operation is done betweeen Data Layers.

UE - World Creation - Worldbuilding Tools - Data Layers - May 8, 2024

A crash occurs to the engine as when we when have unreal as a backgroud task, and we try to drag and drop a layer to another by selecting the layer visibility button. ...