Animation poses can be "cached" by reroute nodes as an output in

UE - Anim - Runtime - Aug 16, 2019

by design, animation pose output pins can only connect to a single pose input pin. However, you can circumvent this behavior by dragging off the initial pose node output pin into an empty spot on th ...

Exposed variable does not appear to update when the default is changed for the spawn actor from class node

UE - Gameplay - Aug 15, 2019

When updating an exposed variable for an actor being used with spawn actors from class, the exposed variable setting will not update to reflect the changes to the default setting. ...

Animation Blueprint Classes are Uncastable

OLD - Anim - Aug 13, 2019

It appears that the Anim Instance class is no longer accessible. As a result, no animation blueprints made are accessible via blueprints - regardless of whether or not the skeletal mesh actually use ...

Niagara effects do not display as expected VR when using instance stereo

UE - Platform - XR - Aug 12, 2019

When using instance stereo it appears that Niagara particles do not render as expected in VR ...

Potential Memory Leak with Disaster Recovery Plugin

Tools - Aug 12, 2019

Enabling the disaster recovery plugin causes a memory leak when importing and editing a large amount of textures. This can result in either a system lockup or a crash. ...

Color obtained in Retainer Box differs from color visible in material preview when set by Vector Parameter

UE - Rendering - Aug 12, 2019

Color set by Vector Parameters in a material differs in preview from color obtained in retainer box. Obtained color does not match either sRGB or Linear values of color visible in material preview. ...

Move move events on widgets displayed via WidgetComponent will be offset in Standalone

UE - Editor - UI Systems - Slate - Aug 9, 2019

It appears the custom hit testing logic of WidgetComponent handles click positions well via UWidgetComponent::GetHitWidgetPath adding virtual mouse coordinates to the arranged widget, but mouse move ...

Deferred Decals Fade In With No Fade Duration Set

UE - Rendering - Aug 9, 2019

Decals fading in with Fade Duration set to zero. Found in 4.21 CL# 4753647, 4.22 CL# 7053642, 4.23 Preview 5 CL# 7838574 ...

Renaming a Named slot widget appears to clear any children in all other widgets that the named slot is used

UE - Editor - UI Systems - Aug 9, 2019

When changing the name of a named slot widget, it appear that any children contained in the the named slot (when the widget has been added to other widgets) will be cleared ...

Spatialized audio does not work in ActorSequence components or play in Sequencer Editor

UE - Anim - Sequencer - Aug 8, 2019

A sequence made from a sequence actor component doesn't play audio in editor or in PIE when the child of another actor or track. This was reported and tested in 4.22.3 (CL-7053642). This was reprod ...