Any Key key binding is non-functional with Enhanced Input

UE - Gameplay - Input - Oct 19, 2022

I've tried implementing BP logic off an EI Event using Any Key, never executes. Tried having the associated Input Action have Consume Input set to true- still nothing. I'm not sure what the expect ...

Landscape editor doesn't find layers in material functions

UE - LD & Modeling - Terrain - Landscape - Nov 17, 2015

Comments from Jack: >LandscapeMaterialsParameterValuesGetter calls GetAllParameterNames<> which does handle functiions >ALandscapeProxy::GetLayersFromMaterial should use GetAllParameterNames<> ins ...

LPV Light Propagation Volume does not work in the right eye of the Oculus Rift

UE - Platform - XR - Feb 12, 2015

When Using a LPV the lighting that is bouncing is only visible in the left eye. Oculus needed for reproducing this issue ...

Light Leak Issue in Modular Buildings (Lumen HZBTraversal)

UE - Graphics Features - Lumen - Oct 14, 2025

Starting in Unreal Engine 5.6, disabling "r.Lumen.ScreenProbeGather.ScreenTraces.HZBTraversal" can lead to light leaking between adjacent or overlapping meshes. Also tested on Release-5.6, CL: 4523 ...

Building lighting fails on Linux with custom heightmaps in Russian localization

UE - Platform - Linux - May 28, 2015

Building lighting fails when the engine localization is set to Russian (RU). Have not reproduced internally. This issue seems to be related to [Link Removed] since it occurs in the Russian localiz ...

Construction script in parent blueprint cannot call function in child blueprint

UE - Gameplay - Blueprint - Apr 1, 2016

Construction script in parent blueprint cannot call function in child blueprint when the editor first loads. Once the parent BP is compiled it acts as expected. Regression? (Yes), issue (does not ...

AShooterGame_FreeForAll::DetermineMatchWinner is set up in a way that it will never provide any functionality

Docs - Samples - Sep 27, 2018

The AShooterGame_FreeForAll::DetermineMatchWinner function is set up to compare each player's PlayerScore with the BestScore variable to see which players are considered to be the "BestPlayer" which ...

Default Values of Parameters from Material Function not saving in Material Instances

UE - Rendering - Architecture - Materials - Feb 16, 2015

A Parameter set in a Material Function cannot be reset to a default value in a Material Instance. Reproduced in 4.7p7 CL-2440994 and Main Promotable-CL-2444381 ...

Metallic Setting is not passed through Material Function in Feature Level ES2

UE - Graphics Features - Mar 26, 2015

When a metallic input is passed into a material via a material function and previewed in ES2, the metallic is always returns 0 in the material. Also reproduced in Main Promotable-CL-2490775 [Image ...

Crash-Connecting output of unspecified functions to pins on the material result node

UE - Rendering - Architecture - Materials - Dec 6, 2017

Crash-Connecting output of unspecified functions to pins on the material result node. This does occur in Main at CL: 3792526 ...