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 ...

CRASH: Editor Crashes When Minimum Value of X Axis Range in 1D Blendspace is not set to Zero

OLD - Anim - Nov 17, 2014

Crash Reporter: [Link Removed] In a Blend Space 1D, setting the minimum value to any variable other than zero then applying and saving results in the editor crashing. Since being labeled "fixed," ...

Specular Highlight Much Stonger/Larger In Forward Shading

UE - Graphics Features - May 15, 2017

In forward shading specular highlights appear to be much larger for very smooth materials in contrast to the deferred shader. In 4.14.3 the specular highlights were displaying correctly in forward s ...

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 ...

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, ...

Decals not captured in environment reflections

UE - Graphics Features - May 2, 2019

Decals are not being captured by environment reflections. Last working in 4.20.3 ...

Screen space reflections are flickering when using no Anti Aliasing

UE - Graphics Features - May 20, 2020

This is a regression from 4.24.3 (CL-11590370). SSR begins to flickers when AA is disabled when moving around the scene. This was reported and tested in 4.25 (CL-13144385) and reproduced in Main 4. ...

USplineComponent::GetSplinePointAt() returns FSplinePoint with incorrect Type

UE - Gameplay - Components - Feb 15, 2024

USplineComponent::GetSplinePointAt() returns an FSplinePoint with the ESplinePointType 'CurveCustomTangent' rather than the type from the setup.Expected: It should return the correct type. ...

Landscape height data gets cleared when working with partially loaded landscapes

UE - Graphics Tools - Terrain - Landscape - Sep 26, 2024