iOS Device displays textures darker than in Editor

UE - Platform - Mobile - Jan 30, 2017

The issue is that on iOS devices textures are displaying significantly darker than expected. I did a color calibration with my monitor to get a more accurate representation of the texture. I set th ...

Packaging for ARM 32 bit fails during build phase with libopenvr_api.so: file not recognized

Tools - May 8, 2017

This is the ouput in the UnrealBuildTool log:[301/301] Link ThirdPersonServer D:/GitHub-Release-4.16/3427662/Engine/Source/ThirdParty/OpenVR/OpenVRv1_0_6/lib/linux64/libopenvr_api.so: file not reco ...

[CrashReport] Crash in UE4Editor_AudioEditor!`FSoundSubmixGraphSchemaAction

UE - Anim - Sequencer - Jun 22, 2017

This is a common crash occurring in the 4.16 release. This is potentially a continuation of [Link Removed], which was closed out when it received additional logging in 4.16. A log file is attached. ...

[CrashReport] UE4Editor_Renderer!FSceneRenderer::CreateWholeSceneProjectedShadow() [shadowsetup.cpp:1978]

UE - Graphics Features - Oct 2, 2017

This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred. Source Context 1964 // Determine the amount o ...

[Reverb][Regression] - The Reverb Effect in World Settings Does Not Update When Loading New Levels

UE - Audio - Mar 12, 2021

When loading a new level via the Open Level node in Blueprints, the World Settings do not update the Applied Reverb Effect. When trying to reproduce the issue in 4.25.4, issue did not occur (the r ...

GPU / D3d Crash while editing Landscapes

UE - Graphics Tools - Terrain - Landscape - Mar 7, 2023

From licensee: I've been experiencing consistent GPU crashes when tying to edit landscapes since updating to UE5.1. It seems to be exclusively an issue with DirectX 12 (SM5 & SM6). I have no pro ...

Collision between physicalized actors and instanced static meshes produce warnings.

UE - Simulation - Physics - Sep 25, 2023

Collision between an instanced static mesh and a physics simulating actor (with "simulation generates hits events" enabled) results in the following warning: LogChaos: Warning: Collision handler en ...

Editor crash when building lighting and world partition minimap

UE - World Creation - Worldbuilding Tools - World Partition - Apr 17, 2025

It is possible for an editor crash to occur if a build is running (Lightmass in this case) and another is launched such as Build World Partition Minimap (as well as HLOD and Spline builders). This i ...

ChordBlockers don't work as expected when ChordAction is set in InputAction

UE - Gameplay - Input - Jun 3, 2025

In the Enhanced Input System, when using a UInputTriggerChordAction to define a chorded input (e.g., Shift + W), the automatic chord blocking system (UInputTriggerChordBlocker) only functions correc ...