Compute shader TAADilateVelocity crashes on macOS

UE - Platform - Apple - Oct 14, 2021

Summary A licensee recently integrated the Oceanology 5 plugin from the marketplace and it triggered a crash on macOS/Metal.Platform The licensee is running macOS Bit Sur 11.5.2 on an AMD Radeon Pro ...

Take Recorder - Viewport Freezing and Performance Degradation When Recording Without Subsequences

UE - Virtual Production - Tools - Take Recorder - Apr 11, 2024

Description: In Unreal Engine 5.4, when recording camera movements using the Take Recorder with the "Record Sources Into Sub Sequences" option turned off, significant viewport freezing and performan ...

Nanite Mesh Dither Opacity Mask Not Working in 5.6.0

UE - Graphics Features - Nanite - Jul 30, 2025

In Unreal Engine 5.5.4, the Dither Opacity Mask option in a Masked material works correctly on Nanite meshes. However, in version 5.6.0, the dithering effect no longer applies to Nanite meshes. ...

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 ...

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 ...

Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.

UE - AI - Dec 16, 2024

There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...

Ensure failing when skeletal mesh uses CapsuleIndirectShadow while Anti aliasing method is MSAA

UE - Platform - XR - Feb 23, 2023

Video of issue provided by licensee can be seen here - [Link Removed] ...