When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

UE - Niagara - Feb 14, 2023

When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...

Limited Camera Movement after Ejecting from PIE

Tools - Apr 15, 2016

When ejecting from the Player Controller while PIE, navigation ability to move around the map is virtually non existent. The only movement command(s) that work is if you hold a mouse button down and ...

UE4Game does not exit cleanly after Launch On for Linux

UE - Platform - Linux - Oct 19, 2016

The Launch toast continues to run even after the window closes. I also noticed that folders for CrashReportClient.ini are being generated in the Saved > Logs folder for the project as well. ...

Matinee Capture Movie is rendering distorted when aspect ratio is set to 2:1

Tools - Mar 15, 2016

Matinee Movie Captures are rendering with distortion both video captures and Image Sequences when the aspect ratio is set to 2:1. [Image Removed] ...

Broken TextureTest BP in Landmass plugin base content

UE - Graphics Tools - Terrain - Jul 15, 2024

It appears that the Landmass plugin has a content dependency on the BlueprintMaterialTextureNodes plugin. If the BlueprintMaterialTextureNodes is not loaded, then the blueprint "/Landmass/Landscape ...

Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

UE - Rendering Architecture - Materials - Feb 29, 2024

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow

RC - Texturing - Feb 13, 2025

Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam

OLD - Anim - Jun 6, 2016

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...

Cull Distance Volumes Affecting Actors After Being Deleted

UE - Graphics Features - Oct 7, 2019

Cull Distance Volumes Affecting Actors After Being Deleted. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 9428115 ...

Static Mesh Component Scale Displays Incorrect Values on Static Meshes as Scene Roots

UE - Gameplay - Blueprint - Mar 8, 2016

Static mesh components incorrectly display scale information through the Detail's Pane and Blueprint editor window until simulation is pressed. This occurs if the static mesh component is moved to t ...