Importing skeletal mesh with LODs and no animations generates additional skeleton and physics assets

Tools - Jan 13, 2017

Does not occur in 4.14.3 binary or 4.16 perforce. Occurs in both P4 and Binary builds of 4.15. Only occurs with Import Mesh LODs enabled and Import Animations disabled. ...

Array inputs in Blueprint Interface results in compiler note- "No value will be returned by reference. Parameter 'NewParam'. Node:"

UE - Gameplay - Blueprint - Sep 8, 2017

Array inputs in Blueprint Interface results in compiler note- "No value will be returned by reference. Parameter 'NewParam'. Node:" Bug reproduced in 4.16, 4.17, and 4.18 ...

Custom Depth Post Process Stencil does not work with Material Billboard on Actors

UE - Graphics Features - Nov 27, 2017

MaterialBillboardComponent does not render with CustomDepth material in PostProcessVolume as other objects do. Found in 4.16.3 CL 3561208, 4.17.2 CL 3658906, 4.18.1 CL 3454814 ...

Subtractive Geometry Brushes All Show a + In The World Outliner

Tools - Jul 19, 2018

Subtractive Geometry Brushes All Show a + In The World Outliner. Works as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4213847 and 4.21 CL# 4221482 This is a regression.  ...

Clickable widgets fail to function as UWidgetComponents in standalone

UE - Editor - UI Systems - Jul 25, 2018

When in standalone, any widget that takes a click event doesn't respond properly to user input. Tested in 4.19(CL - 403788), 4.20(CL - 4228271), and 4.21(CL - 4229747) ...

Android mic stops capturing audio after 2nd load of app

UE - Audio - Aug 1, 2018

The Android app stops capturing audio on the second loading. Tested in 4.19.2 (CL - 4033788), 4.20.1 (CL - 4239966), 4.21 (CL - 4243265) ...

Reflection Captures Show Static Lights With "Actor hidden in Game" Enabled

UE - Graphics Features - Aug 2, 2018

Reflection Captures show static lights with "Actor hidden in Game" checked.  Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4247867 ...

Cascade Beam Emitter Lifetime Module Is Broken

UE - Niagara - Aug 3, 2018

Cascade beam emitter lifetime module is broken.  Working as expected in 4.19 CL# 4033788 Found in 4.20 CL# 4233996, 4.20 CL# 4247867 This is a regression. ...

Audio Attenuation falloff is applied even when turned off when called in Blueprints

UE - Audio - Aug 24, 2018

The Sound Attentuation is not ignored when disabled as audio played from a Blueprint. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4313833) ...

FRunnableThread Suspend doesn't work on android

UE - Foundation - Core - Aug 27, 2018

The FRunnableThread::Suspend() function call does not work Android devices Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4313833) ...