Ribbon Trails are inconsistent in Content Examples

Docs - Samples - Nov 1, 2016

In the Effects level of Content Examples, the Ribbon trails appears to snap back to the origin of the particle effect after the life of the particle. This is an issue in 4.13.1 as well. This is a ...

With multiple Preview assets on one bone, only one appears in Skeleton Tree

OLD - Anim - Dec 23, 2016

With multiple Preview assets on one bone, only one appears in Skeleton Tree. Regression: YES Working: 4.13.2 CL:3172292 Broken: 4.14.1 CL:3224400 ...

Crash when editing gameplay tag query in a structure

UE - Gameplay - Blueprint - Feb 20, 2017

When I try to edit Gameplay tag query in a blueprint structure the editor crashes. Regression: No. This issue affects versions: 4.15, 4.14.3, 4.13.2 (Binary Versions) ...

Mouse Wheel Axis input gives different values in HTML5 packages, varying by browser

UE - Platform - Mobile - Sep 28, 2017

The value given by the Mouse Wheel Axis is usually 1.0 or -1.0, depending on the direction. In HTML5 packages, this value varies based off the browser that is used. On Firefox (56.0): 0.025 or -0.0 ...

Blueprint Tooltips Appear Behind Contextual Menu

Tools - Nov 30, 2015

On an iMac running OSX 10.11.1 a user reports that the tooltips are appearing behind the contextual menu. *See image ...

Odd Refraction on Close Planes

UE - Rendering Architecture - Jun 7, 2023

We're seeing odd refraction when we have two close planes where the front plane has a translucent shader with a refraction not equal to one. I've included a project with the following setup:Two equa ...

Editor Periodically Has Performance Drops In Basic Scenes

Tools - Dec 27, 2019

The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...

Media Plate Actor becomes blacked out when set to Spawnable in a Level Sequencer

UE - Virtual Production - Rendering - Jun 7, 2023

saving a media plate actor set to spawnable in a level sequence causes the media plate actor to become black. there are two known workarounds 1. toggling the Media plate to Possessable, and Spawnabl ...

Difference in Shader Complexity view mode between Static Mesh and Painted Foliage Actors after Enabling 'Dbuffer Decals' in Project Settings

UE - Graphics Features - Oct 19, 2016

The 'Shader Complexity' view mode is rendering differently between regular Static Meshes and Painted Foliage instances after enabling 'DBuffer Decals' The user is reporting that this does not seem ...

Enabling wifi while a game is running causes the Lenovo S939 to freeze or crash

UE - Platform - Mobile - Jan 5, 2016

When turning on the wifi connection on the device, the game either crashes on the device or it'll freeze for about 15 to 30 seconds. Devices: 5231_S939 (ARM Mali-450 MP4; 4.4.2) - occurs on 2894_G ...