Refraction of Ray Traced Translucency in Path Trace View is Incorrect

UE - Graphics Features - Lumen - Apr 8, 2019

Refraction of Ray Traced Translucency in Path Trace View is Incorrect. Found in 4.22 CL# 5660361 and 4.23 CL# 5779284 ...

Black Lines on Meshes with Ray Traced Global Illumination Enabled

UE - Graphics Features - Lumen - Apr 22, 2019

Black Lines on Meshes with Ray Traced Global Illumination Enabled.  Found in 4.22 CL# 5660361 and 4.23 CL# 6037269 ...

Crash when trying to open a widget after upgrading project

UE - Foundation - Core - Jul 1, 2019

A user is experiencing a crash after upgrading their project from 4.21 to 4.22. This crash did not occur in the 4.21 version of the engine. [Link Removed] ...

There is a moment of T pause when Post Roll Frames is enabled and snapping is enabled

UE - Anim - Sequencer - Apr 19, 2021

When I turn off snap, the problem does not occur The problem does not occur in 4.24.3 and 4.25.4 Occurs in 4.26.2 and UE4main ...

Crash launch application adding .umap url

UE - Foundation - Core - Aug 6, 2020

The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...

Fire tower lights do not change when held down in StrategyGame on iOS

Docs - Samples - Aug 18, 2016

The fire tower charge effect is not working correctly on iOS. This was tested with an iPhone6S_6240 OS: 9.3.2 Does not occur on Android. Tested on Galaxy S7 ...

Joystick is missing from projects on certain iOS devices

UE - Platform - Mobile - Jan 11, 2017

The Flying template is not displaying joysticks when deployed to iOS. Issue does not occur in: 4.14.3 - 3251583 Phones tested that have not experienced the issue: iPhone 6S_6240 ...

Low Frequency Crash when rendering a movie in Sequencer

UE - Anim - Sequencer - Feb 10, 2017

Note This is a low frequency 1/3 times attempted. I could not accurately reproduce this crash. Based on crash reporter, this never happened in 4.14 so this is a regression ...

Duplicates of Actor Blueprints have a Blank, Black preview Window

UE - Editor - Content Pipeline - Content Browser - Feb 21, 2017

Duplicates of Actor Blueprints have a blank, black preview instead of the preview of the original (See sample image). Not a regression, occurs in UE4.14.3 as well ...

Thumbnails are broken in Reference Viewer

Tools - Apr 18, 2017

The thumbnails in the reference viewer are broken and do not reflect the thumbnails in the content browser. This is a Regression from 4.14.3 Spoke with BenZ about his change to the Asset Registry, ...