HighResShot results depend on viewport size

UE - Graphics Features - Jul 19, 2022

Licensee wants to take screenshots that are more than the size of the viewport ingame. However, they are having trouble because the results depend on the size of the viewport. ...

ProceduralMesh created by ImpostorBaker cannot be saved.

UE - Graphics Tools - Modeling Tools - Mesh Editing - Jan 12, 2023

Clearing the DynamicMaterial reference will save it, but several licensees have inquired about it, so it would be kind if it were corrected. ...

Sequence is marked dirty when closing

UE - Anim - Sequencer - Feb 24, 2023

ParticlePosition doesn't use Previous values

UE - Niagara - Jan 9, 2024

FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...

Crash when displaying lumencards on map with many objects

UE - Graphics Features - Lumen - Aug 1, 2025

There is a thread conflict between FRDGBuilder execution in Background Worker and LumenVisualizer's LumenCard add/delete process. When lumen cards are displayed in a scene with many objects, a crash ...

Camera actor preview window does not display properly in orthographic view

Tools - Apr 13, 2015

Adding a camera to the scene and setting the projection mode to orthographic doesn't display properly in the preview window. ...

LIVE: The editor crashes on Mac when attempting to open the attached Media Player .uasset

Tools - Nov 4, 2014

Does not occur on PC. CRASHREPORT: [Link Removed] CALLSTACK: <unknown module>! FOutputDeviceMacError::HandleError() <unknown module>! EngineCrashHandler(FGenericCrashContext const&) <unknow ...

Code classes with a portion of the project name and parent type cannot be created.

Tools - Feb 25, 2015

When adding code to a project, class names cannot be used if they contain a portion of the project's names and the type of class of the parent. Message says that the name is already used by another ...

Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"

UE - Rendering Architecture - Materials - May 27, 2015

When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...

Box selection in orthographic view ports with nothing previously selected will select BSP brushes even when you are not passing over edges or vertices

Tools - Feb 13, 2015

Box selection in orthographic view ports with nothing previously selected will select BSP brushes even when you are not passing over edges or vertices. The current expected behavior is that it would ...