Japanese error outputs do not displayed correctly in Cook Content output log

UE - Foundation - Core - Cooker - Jul 27, 2017

When using the editor in Japanese, the warning/error summary for "Cook Content for Windows" gets garbled. This makes debugging cook related issues difficult. ...

ParticleCutout don't work when AlphaThreshold is 0

UE - Graphics Features - Dec 16, 2016

UParticleModuleRequired::PostEditChangeProperty use "AlphaThreshold > 0". So, if AlphaThreshold = 0, particlecutout don't work. ...

Physics values uneditable in instances of placed Actors

UE - Simulation - Physics - Apr 11, 2018

Most physics options are not editable in placed instances of a Static Mesh with an Actor Parent. ...

-culture= Launch Parameter no longer working when launching standalone game

UE - Editor - UI Systems - Localization - May 8, 2018

Launch parameter for changing culture no longer working with additional launch parameters. Also tested on packaged 4.19 project with same result. ...

Steam VR hitch with 3d UMG Widgets

UE - Platform - XR - Jul 30, 2018

After ~30 minutes, a scene with 3D UMG widgets will hiccup, briefly showing the steamVR background Attached Example project from User VRDropedFrame (4.19) + Example project I created AJ_VRWidgetPe ...

Widget blueprint details panel appears to jitter when dragging widgets in the designer tab

UE - Editor - UI Systems - Feb 1, 2019

When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...

Input Axis Mapped to 'Pinch' no longer sends Axis Value

UE - Platform - Mobile - Feb 15, 2019

Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS  Confirmed in MAIN 4.23 @ CL 4961509 ...

Assertion failed: PlatformNeedsExtraDeletionLatency()

UE - Rendering Architecture - RHI - Mar 5, 2019

Animating a HISM along a spline when many other HISMs are present will result in a crash in 4.22. Confirmed in 4.23 MAIN @ CL 5291468 ...

Incorrect Skysphere Material Reflection with Ray Tracing

UE - Graphics Features - Lumen - Mar 5, 2019

The reflected Sky material looks blurry and low res when set to unlit, however setting the material to Default Lit has the correct reflection. Even though the reflection is correct the lighting brea ...

zorder of Webbrowser in Mobile device is not same as in the PC

UE - Platform - Mobile - Jul 23, 2018

Webbrowser in Mobile devices gets most higher zorder in UMG. This is, as I belive, expected since it is running in native functions. But to meet behaviors in PC, making it to follow given zorder see ...