DeferredDecal has rendering issue on iphone

UE - Platform - Mobile - Mar 9, 2018

I uploaded a test project. The issue can be reproduced at Iphone8(IOS 11) and Iphone6s(IOS 10.3.2). ...

LandscapeComponent generates incorrect OccluderVertices for software occlusion

UE - LD & Modeling - Terrain - Landscape - Sep 17, 2019

OccluderVertices didn't consider the subsection's transition, so the position of the OcclusderVertices are not correct. I made a fix as follows: [Image Removed] [Image Removed] ...

Volumetric fog rendering gets cut off at the apex for some spot lights when viewed from certain angles

UE - Rendering Architecture - Apr 19, 2023

Fix is found in licensee’s pull request:https://github.com/EpicGames/UnrealEngine/pull/10333/files ...

Mobile VR App Crash with Monoscopic Far Field and Multi-View enabled

UE - Platform - Mobile - Nov 23, 2018

Mobile VR (Oculus Go) App Crash with Monoscopic Far Field and Multi-View enabled Workaround: Do not use Monoscopic Far Field and Multi-View at the same time Also confirmed in 4.22 Main @ CL 45 ...

"Enable Stencil Test" Mobile crash

UE - Graphics Features - Sep 10, 2019

A material with 'enable stencil test' will crash on mobile. Enable Stencil Test is a new option in materials as of 4.23 Confirmed with OpenGL 3.1 + 2 and Vulkan on Pixel XL Also Crashes on iOS ...

Crash while trying to import a C4D file with Animation via Datasmith

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 10, 2020

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...

Crash Occurs When Running EQS Query on Mobile

UE - AI - Oct 19, 2016

Deploying a project to a mobile device that runs an EQS Query is causing the game to crash on the device. This has been tested with a Galaxy Note 4 and iPhone 5s. Attached are the logs from the de ...

Crash when playing a HapticFeedbackEffect_Soundwave

UE - Platform - XR - Aug 30, 2016

Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...

GetDistanceAlongSplineAtSplinePoint becomes inaccurate as point approaches 0% or 100% of spline length

Tools - Sep 26, 2016

When the USplineComponent::GetDistanceAlongSplineAtSplinePoint() function is called, the value returned is not accurate if the point approaches the range of 0 - 10 % or 90-100% of the spline. ...

Rotating component using "Move Component To" does not use shortest distance

UE - Gameplay - May 9, 2016

Rotating component using "Move Component To" does not use shortest distance. Regression (Yes) issue (does not) occur in 4.10.4 ...