check(PIEInstanceID != -1) fails when executing SeamlessTravel

UE - Gameplay - Mar 2, 2017

Per https://udn.unrealengine.com/questions/349614/checkpieinstanceid-1-fails-when-executing-seamless.html ...

bLightAttachmentsAsGroup doesn't work with default ACharacter setup which has a hidden capsule component as the root

UE - Graphics Features - Nov 15, 2016

https://udn.unrealengine.com/questions/318476/bug-light-attachments-as-group-not-working-on-char.html ...

Incorrect Specular Highlights with Sphere Reflections Captures when using the Forward Renderer

UE - Graphics Features - Apr 30, 2017

A user is reporting incorrect/inconsistent reflections when using Reflection Captures with the Forward Renderer. I attempted to enable High Quality Reflections within the material's properties whic ...

Hierarchy filtering does not work in world composition

UE - World Creation - Worldbuilding Tools - World Composition - Apr 18, 2018

Report with proposed fixhttps://udn.unrealengine.com/questions/428300/world-composition-hierarchy-filtering.html ...

Houdini CSV in Niagara in Blueprints doesn't seem to work properly

UE - Niagara - Jul 13, 2018

See https://udn.unrealengine.com/questions/444762/how-to-change-niagara-system-exposed-parameters-in.html ...

Cascade Previewer Has Strange Behavior With Particles With Source Movement Module

UE - Graphics Features - Feb 7, 2017

Particles that use source movement will start shooting out violently while in the cascade preview window. You need to have the movement option checked under the view settings. If you also check the ...

NiagaraSystem is compiled every time when first loaded in the editor

UE - Niagara - May 20, 2022

If you are using a large amount of Niagara, you will experience excessive load times in PIE even if nothing is changed. The following code change seems to be effective as an interim response. void ...

Unable to Rename using the Right-Click Menu on El Capitan in Blueprints and Sources Panel

UE - Platform - Apple - Apr 4, 2016

Users are unable to rename a variable using the right-click menu within Blueprints, and the sources panel within the Content Browser. Regression? Yes. I tested the functionality of the right-click ...

Draw debug depth priority oddities

UE - Graphics Features - Feb 18, 2020

Came across a few oddities with draw debug. DrawDebugSolidBox ignores the DepthPriority parameter and appears to always draw in World. In the screenshot the sphere is drawn on top of the mesh, the ...

Precomputed AO Mask is no longer working

UE - Graphics Features - Dec 23, 2015

Precomputed AO Mask is no longer working in 4.11 Preview 1. This is a Regression from 4.10.x where this was working as intended. I've attached a zip file with the quick test that can be dropped in ...