Landscape 'crack free displacement' option causes landscape layer coords and UVs to be wrong

UE - LD & Modeling - Terrain - Landscape - Aug 25, 2015

If you check the 'crack free displacement' option in a landscape material, it seems to break the results of both the landscape layer coords and regular UV input node. Worldposition is not affected. ...

Stationary Skylight intensity blown out

UE - Graphics Features - Nov 29, 2016

Using a Stationary Skylight appears to be blown out with the SLS Captured Scene. Movable and Static do not exhibit this behavior. Comparison gif attached and sample project attached. Tested with: ...

Attempting to generate abstract class from blueprint crashes editor on compile

UE - Gameplay - Blueprint - Sep 22, 2016

Attempting to generate abstract class from blueprint crashes editor on compile. Frequency: 4/4 ...

Widgets With Retainer Boxes Are Selected When Behind Widgets Without One

UE - Editor - UI Systems - Dec 24, 2019

When a widget that has a retainer box is behind another widget that doesn't have one it will call it's onclick instead of the one in front of it in the UMG when clicked (see attached gif). This beh ...

SplineMeshComponent's collision will start to distort the longer the Spline becomes

UE - Gameplay - Nov 30, 2016

SplineMeshComponent's collision will start to distort the longer the Spline becomes This is a regession. It was working in 4.13.2-3172292 User Description: When drawing out a long spline mesh ( r ...

abnormal sound output on UMG animation track

UE - Anim - Sequencer - Jan 28, 2022

Sound repeated at initial frame only on 4.27. it was worked fine on 4.26 and 4.25 It is probably a side effect caused by the sequencer changes below.​ Sequencer: Move Finalization phase back onto ...

Vehicle does not create an overlap event in 4.8 preview 2

UE - Gameplay - May 18, 2015

If the user places a trigger volume into the level and then drives the car into it the over lap event will not trigger ...

[Mac][Metal] (Shadow) Rendering artifacts with 4.11 on Mac.

UE - Platform - Apple - Apr 12, 2016

The first problem noted in this Answerhub post: First one is that static shadows from stationary directional light are completely broken. Screenspace buffer that should contain static shadows is ju ...

UE 4.25.1 Offline Installer Display Error

UE - Editor - Content Pipeline - Datasmith - Importer - Jun 9, 2020

[Image Removed] [Image Removed] ...