Launching a packaged game calling DownloadImage with -nullRHI option crashes

UE - Editor - UI Systems - Oct 8, 2020

When using nullrhi, the Texture->Resource variable in UAsyncTaskDownloadImage::HandleImageRequest is null and a crash occurs in WriteRawToTexture_RenderThread. ...

InstancedStaticMeshComponent causes crash in editor compiled with ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES set to zero

UE - Graphics Features - Nov 11, 2022

ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES works without crashing in ue4.27. It appears that this code path is not maintained in ue5. ...

Light Complexity view mode crashes if there are hair cards in the scene

UE - Graphics Features - Jul 24, 2024

The Editor will crash if Groom Hair Cards are viewed with the Light Complexity View Mode. ...

Pulling down a large number of achievements causes the game to crash

UE - Platform - Mobile - Jul 27, 2015

When attempting to download a large number of achievements for an Android app the application will crash with a error indicating the JNI local reference count buffer has been exceeded. Project Link ...

Editor crashes when copying a copied instance of a blueprint in the level.

UE - Gameplay - Blueprint - Aug 9, 2016

Editor is crashing when copying a copied instance of a blueprint in the level. We were unable to reproduce this issue adding a component to the blueprint through the blueprint editor. This issue on ...

Calling GEngine->Browse from an RPC implementation causes a crash

UE - Networking - Nov 5, 2019

The engine is not resilient to calling Browse from within an RPC implementation, and likely not resilient to other ways of destroying the net driver within RPCs/OnReps. It's not something we need to ...

Application is crashing on the HTC One when UMG is used in the project

UE - Platform - Mobile - Jan 26, 2015

If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...

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

UE - World Creation - Worldbuilding Tools - HLOD - Apr 26, 2023

The crash occurs when FWorldPartitionHLODUtilities::BuildHLOD attempts to build an approximated mesh that has all of its contents culled during generation, this can happen when an approximated mesh ...

App crashes when executing 'Export to Disk' node on Android

UE - Platform - Mobile - Aug 11, 2020

Regression is unconfirmed ...

GPU crash when using RVT BaseColor/Normal/Roughness format

UE - Rendering Architecture - May 24, 2023

When using an RVT with BaseColor/Normal/Roughness format on DX12 with a GPU that supports Tier2, a GPU crash may be seen. ...