Light is still being generated after the sun is "set" during Geographically Accurate Sun Positioning

UE - Content - Engine - Dec 11, 2018

While ad-hoc testing Geographically Accurate Sun Positioning, I found that I could cause the Sun to set and consequentially render from under the map. Light is still being generated even though the ...

Pressing ESC while on a drag operation makes drag visual to be disappeared and OnDragCancelled not to be called.

UE - Editor - UI Systems - Dec 11, 2018

DragDropOperation is removed when pressing esc button. but this is skipping OnDragCancelled so it can disrupt user's UMG drag operation logic.  ...

Crash when using a specific Component Mask with Material

UE - Graphics Features - Dec 11, 2018

This problem seems to stop at Check in HLSLMaterialTranslator.h. If the same value is entered in MCT_Float and MCT_Float4, it branches to True with IsIdentical, but it seems that a problem has occur ...

When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation

UE - Anim - Sequencer - Dec 11, 2018

When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...

Multiple Primitives created when importing a mesh with "One Convex Hull Per UCX" disabled

Tools - Dec 10, 2018

User has encountered an issue with duplicate collision primitives when importing custom collision meshes from Maya ...

UDN 472564 - CurlHttp merges headers on redirect

UE - Online - Dec 7, 2018

when curl requests are redirected (301) – response headers are merged together and are comma separated.  but, Content-Type headers are required to use semi-colon ";" separators. ...

Datasmith Metadata is lost when actor is converted as BP

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 7, 2018

This behavior does not occur on actor tags and component tags so it is something we haven't considered when adding the metadata feature. ...

Editor Unable to Find Mali Offline Compiler On Mac

UE - Platform - Mobile - Dec 7, 2018

Material Editor is unable to find the Mali Offline Compiler on Mac. This inhibits you from looking at platform stats for Android. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538, ...

[Feature Request] User would like Blutility Asset Action to be able to work on only certain classes of blueprint

UE - Gameplay - Blueprint Editor - Dec 7, 2018

When supplying a specific blueprint class to the Asset actions Utility, the script does not show up in the right click menu as expected (this will work when given Blueprint as the class) ...

Crash Upon Sequencer Modification of Actor's Array Variable

UE - Anim - Sequencer - Dec 7, 2018

If Sequencer event track modifies an Actor's Integer Variable Array that is exposed to Cinematics, the Editor will crash when the Stop button is pressed. ...