Crash on play when AIPerception Senses Config element is set to "sense config" options

UE - AI - Sep 18, 2015

Setting AIPerception component Senses Config to AI Damage / AI Prediction / AI Team sense config will cause the editor to crash on Play. This may be related to [Link Removed] Crash Reporter [Link ...

Lights placed in a Layer that are hidden will not be visible in PIE

Tools - Sep 9, 2015

Placing any lights in a Layer and marking as hidden will not render when PIE. Layers should only be editor only, even if marked as hidden. Also test in MAIN CL-2685425 where this is showing the sa ...

Crash in Forward Renderer DX11 RHI Impl when using VR PIE

UE - Platform - XR - Dec 4, 2016

// enforce color target is <= depth and MSAA settings match if(RTTDesc.Width > DTTDesc.Width || RTTDesc.Height > DTTDesc.Height || RTTDesc.SampleDesc.Count != DTTDesc.SampleDesc.Count || ...

User defined struct pins shows display a string of letters & numbers when switching Editor language

UE - Gameplay - Blueprint - Jan 18, 2017

Editor language switch can turn struct get/set nodes pins(split) to display extra string of letters & numbers after their original name. ...

Freeze occurs after some time when tick group is set to TG_PostUpdateWork on a class

UE - Gameplay - Nov 21, 2017

Multiple users have reported an issue where their packaged games are freezing after an indeterminate period of time. The reproduction steps and logs of each user are different but the reproduction s ...

[CrashReport] UE4Editor_Engine!FStaticMeshSceneProxy::RemoveSpeedTreeWind() [staticmeshrender.cpp:262]

UE - Graphics Features - Jan 26, 2018

No user comments on crash group ...

The screen will be darker than other platforms(Android,PC/Mac preview) on IOS if both MSAA and MobileTonemapperFilm enabled

UE - Platform - Mobile - May 16, 2019

[Image Removed] [Image Removed] [Image Removed] [Image Removed] ...

Crash when using Share Material Shader Code and Native Metal Libs with r.Shaders.Optimize=0

UE - Rendering Architecture - RHI - Mar 17, 2020

Using r.Shaders.Optimize=0 with native metal libs results in a crash of the packaged build at runtime. Workarounds is to either not use native metal libs for text shaders or in MetalShaders.cpp co ...

WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node

UE - Rendering Architecture - Materials - Jan 31, 2024

This comes from this UDN : [Link Removed] It occurs with this setup :  [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...

Distance Fields no longer work with instances when PIE/Simulate

UE - Graphics Features - Apr 20, 2015

When using distance fields with instance meshes from the foliage tool everything works correctly, however, when simulating or PIE the distance fields will be removed. This working correctly in 4.7.5 ...