Crash occurs when entering r.GbufferFormat 3 and running the Pixel Inspector Tool

UE - Graphics Features - Jun 13, 2017

A crash occurs when attempting to run the Pixel Inspector tool after entering 'r.GbufferFormat 3' What this does is defines the memory layout used for the GBuffer. (affects performance, mostly thro ...

Foliage meshes do not appear in high res screenshots after certain amount

UE - World Creation - Worldbuilding Tools - Foliage - Aug 24, 2017

When using the Engine's High Res Screenshot tool, there is a limit on the amount of foliage that can be present before the meshes stop appearing. This number is around 1500 meshes, though I was not ...

[CrashReport] ULevel::GetWorldSettings - UStaticMeshThumbnailRenderer::Draw

Tools - Oct 30, 2017

This is a common crash that has occurred since at least 4.14. The callstack is nearly identical to [Link Removed], which appears to be fixed in 4.18; and [Link Removed], which has not. The differen ...

Pose watches don't display correctly with compatible skeletons

UE - Anim - Runtime - Anim Blueprints - Aug 19, 2022

"Hello, we've found a quirk with ABP's pose watch and compatible skeletons. Same setup as above. We have skeleton A as the base and skeleton B as a compatible skeleton. They both share similar hiera ...

Disabling DFAO prevents landscape from contributing to Lumen scene

UE - Graphics Features - Lumen - Oct 10, 2023

From licensee: We disabled DFAO on our project (using r.DistanceFieldAO 0) to replace it with Lumen occlusion, as the combination of both was creating dark blobs under bushes and grass. However, we ...

Crash Occurs When Setting Child Actor Class in Child Blueprint

UE - Gameplay - Blueprint - May 4, 2017

A crash occurs when setting the Child Actor Class of an inherited child actor component. This is not a regression. It occurs in 4.14.3 CL# 3249277, 4.15.2 CL# 3416026, and 4.16 Preview 2 CL# 34155 ...

Crash Occurs While Running EQS Using Add Generated Vector Node

UE - AI - Sep 8, 2016

A crash is occurring when running a custom EQS generator that returns a Point and uses the Add Generated Vector node. This is a regression. No crash occurs with the same setup in 4.12.5. ...

Audio/Video out of sync after seek

Media Framework - Jan 29, 2018

There is an issue that sometimes occurs when using the seek option in the media player while the Decoder is set to WMF. When this happens the audio desyncs from the video and for the rest of the vid ...

Datasmith files containing special characters do not import correctly in Unreal

UE - Editor - Content Pipeline - Datasmith - Exporters - Oct 10, 2018

User is experiencing an import issue with a 3DS Max 2019 file. Their workflow is as follows and works for all their assets but this one:Original file created in revit 2019Import revit link to 3dsmax ...

Emissive material lighting falloff regression in GPU Lightmass

UE - Graphics Features - Sep 12, 2023

Forum user noted that emissive lighting being built with GPU Lightmass is in fact being built, just not around the mesh, but in a larger radius and with reduced strength compared to 5.1.1. They foun ...