Erractic Light Component Behavior in Blueprints

UE - Gameplay - Blueprint - May 11, 2015

You cannot PIE if you attempt to adjust the Intensity of a Light via the slider in a BP that is placed in the Level already. In addition the color slider does not stay open when editing values for ...

Alt+Enter after using the "Stereo on" Command will lock the computer

UE - Platform - XR - Dec 2, 2014

With an Oculus Rift connected, if Alt+Enter is pressed after using the console command "Stereo on" in a standalone game the computer / VR headset will freeze. ...

Ensure triggered upon improper math expression

UE - Gameplay - Blueprint - Aug 4, 2016

An ensure is triggered upon entering an improper math expression. ...

On a Linux project, starter content does not appear in content browser until project is reopened

UE - Platform - Linux - Mar 12, 2015

When creating a new project with starter content on Linux, the only asset that appears in the content browser is Floor_400x400. Closing/reopening the project will cause the rest of starter content ...

Temperature slider seems to be inverted

UE - Graphics Features - May 6, 2015

The slider for the temperature gauge on lighting seems to be inverted. The cooler the temperature is, the redder the shade. The hotter the temperature gets, the cooler it looks (blue). ...

Creating Destructible with PhysXLabs and Fracture Tool in UE4 yield different results and same settings

UE - Simulation - Physics - Destruction - Feb 25, 2015

When creating fracturing a mesh in PhysXLabs vs UE4 fracture tool with both using Voronoi fracture and set to 25 chunks will give different results. The mesh (Attached below along with reference i ...

Combo box does not function in packaged build

UE - Editor - UI Systems - May 10, 2017

The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...

[CrashReport] Crash on Mac during cook - UEditorEngine::UpdateAutoLoadProject()

UE - Platform - Apple - Jun 6, 2017

This is a top crash on Mac. This crash has only occurred on the 4.16.1 release (there are no records of it in 4.16.0). Repro steps are currently unknown, but the crash occurs in Commandlet mode and ...

BinnedMalloc and BinnedMalloc2 performance on Linux is not good

UE - Foundation - Core - Jun 8, 2017

This test took 13 seconds using Binned2 and 10 seconds using Binned1. It took 0.06 seconds using jemalloc ...

JAR files in libs are not included in classes.dex with Gradle

UE - Platform - Mobile - Aug 1, 2017

JAR files copied from Intermediate/Android/apk/libs for Gradle packaging are not included in the classes.dex in the final packaged APK. ...