Removing instances from HISM using Sequence node for execution in Construction Script behaves differently than ISM

Tools - Dec 17, 2018

When using the Construction Script to remove instances with the Get Instances Overlapping Sphere function to get the references, the behavior of this functionality is different for ISM and HISM if a ...

Enable Slate layout caching Will cause the Stop/Play Buttons to disappear

UE - Editor - UI Systems - Slate - Dec 17, 2018

When using the command Slate.EnableLayoutCaching 1, The Play button is removed from the tool bar after exiting play. ...

Editor Scalability Settings cannot be set per project

Tools - Dec 17, 2018

Initial setup of PostProcessQuality in the Editor .ini files does not actual change the setting. The project must be opened once and then closed in order for the settings to take effect. ...

Impossible to Batch Build on UnrealVS with Japanese Visual Studio

UE - Foundation - Cpp Tools - UnrealVS - Dec 14, 2018

Animation metadata with an instanced subobject will display "Multiple Values" for all fields when recompiled

UE - Gameplay - Blueprint - Dec 13, 2018

Animation metadata doesn't seem to properly support metadata with instanced subobjects, and breaks upon recompile when the data is reserialized. This seems similar to [Link Removed] and the other is ...

Slight menu lag when using Vulkan on Linux

UE - Platform - Linux - Dec 12, 2018

When using the UE4 Editor with Vulkan there is a slight lag when navigating through the menu options. This lag is not present when launching with OpenGL nor is it present on Windows with -vulkan.  ...

Sphere Reflection Captures Are Not Cleared Out of Arrays Properly When Deleted

UE - Graphics Features - Dec 11, 2018

SphereReflectionCaptures are not properly destroyed when deleted, and still take up space in the AllocatedReflectionCaptureState array. After reaching 341 SphereReflectionCaptures, the only way to c ...

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 ...

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, ...

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. ...