Widget interaction component appears to stop working after entering a physics volume

UE - Editor - UI Systems - Aug 24, 2016

Widget interaction component appears to stop working after entering a physics volume. A Physics Volume appears to deactivate the Widget interaction component ...

DetourCrowdAIController Using Incorrect Nav Agent

UE - AI - May 22, 2017

Pawns using a DetourCrowdAIController do not appear to be using the correct Nav Agent when attempting to move. Setting the AI Controller class to a normal AI Controller allows it to complete the s ...

UV Flipping Mode Causes Stretching of Particles

UE - Niagara - Nov 17, 2017

If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...

Adding HISMC instances resets wind for all existing instances

UE - Graphics Features - Jul 6, 2018

When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...

Foliage: Speed tree wind is reset for every add/remove/update on instances

UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018

Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...

MediaPlayer failed to be open on Mac and IOS

UE - Platform - Apple - Oct 9, 2023

Editor Crashes On Startup After Enabling Light Propagation Volume (LPV) With Forward Shading

UE - Graphics Features - Feb 20, 2017

After enabling Forward Shading that project can no longer operate while "r.LightPropagationVolume = 1" since it will crash immediately. ...

User's project fails to build when using -nativizeAssets in the project launcher

UE - Gameplay - Blueprint - Apr 18, 2017

User's project fails to build when using -nativizeAssets in the project launcher Box Link: [Link Removed] ...

Sequencer asset in QAGame doesn't cook deterministically

UE - Foundation - Core - Cooker - May 11, 2017

A Level Sequence in QAGame doesn't cook deterministically, and is always included in patches. Possibly related to [Link Removed] ...

Maps in QAGame don't cook Deterministically

UE - Foundation - Core - Cooker - May 11, 2017

Some maps in QAGame don't cook deterministically, so are always included in patches. ...