Precomputed AO Masks cannot be used to LERP between Normal Maps

UE - Graphics Features - Sep 18, 2015

When using the Precomputed AO Map node to LERP between 2 Normals, only the A input into LERP will render out on the mesh. The Precomputed AO will work fine for Base Color LERPs Example: [Image Re ...

Editor Scalability Settings cannot be set per project

Tools - Dec 17, 2018

Initial setup of PostProcessQuality in the Editor .ini files does not actual change the setting. The project must be opened once and then closed in order for the settings to take effect. ...

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero, and subsequent rotation is not allowed after the setting is disabled

UE - Gameplay - Player Movement - Jan 2, 2016

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero. Subsequently disabling Pawn Use Control Rotation make rotation of the component impossible until ...

[Legacy][FBX] Animation curves are not added to the skeleton anymore

UE - Editor - Content Pipeline - Import and Export - Jan 17, 2025

Get time to closest marker stops returning values after markers are added to other animations

OLD - Anim - Nov 30, 2018

When Sync Markers are added to other animations, the Get Time to Closest Marker node stops returning any information. ...

Behavior Tree has missing Service Nodes on project load

UE - AI - Dec 4, 2018

In the project is Behavior Tree that implements some tasks, decorators and services, but for some reason, two of my tasks nodes gets initialized with all the pointers to their services set to null, ...

Packaging a plugin from Plugins Editor UI wipes the target folder before packaging

UE - Foundation - Cpp Tools - Plugin System - Sep 23, 2016

"Package Plugin" from Plugin Editor UI will wipe the target folder’s contents first then populate it with plugin files. User was expecting “Package Project” like behavior: Create a new folder in th ...

Static mesh with simulate physics does not update for clients joining after a session has started

UE - Networking - Apr 22, 2016

Static mesh with simulate physics does not update for clients joining after a session has started ...

Changes to Material Instance Parent don't appear to propagate to child instances if the child instance's editor window is open

UE - Rendering Architecture - Materials - Aug 16, 2021

It looks like this occurs when the grandchild instance window is open. If you close and reopen the Grandchild's window the parameter appears as expected. I've attached a project with the setup step ...