Debug render complex collision incorrect for spline mesh components

UE - Simulation - Physics - Jan 27, 2020

The debug render collision for spline mesh components using a mesh with complex collision is incorrect and is not updated to reflect changes in the mesh's deformation. The collision response itself, ...

"Select All Descendants" shortcut doesn't work in folders

Tools - Jan 27, 2020

The shortcut for "Select All Descendants" doesn't select the contents in the selected folder in the World Outliner. Using the right-click method works exactly as expected. This was reported and tes ...

BP - Nativized build will crash at runtime if a non-nativized child that inherits from a nativized parent containing a ChildActorComponent sets the CAC class to a non-nativized child of a nativized BP class.

UE - Gameplay - Blueprint - Jan 26, 2020

Current workaround: Add a dummy variable to either BP_Owner_Child or BP_CAC_Child to force one of the two to be nativized. ...

Input pins are displayed when "StaticSwitch" is used in "Dynamic Input Script" of Niagara

UE - Niagara - Jan 24, 2020

The pin is missing the checkbox or dropdown to set the switch value on the function call node. It should only look like the screenshot if the switch value is propagated to the next higher caller. ...

With Ray Tracing Enabled And The RenderDoc Plugin Enabled Shadows Don't Render Correctly On Reflective Materials

UE - Graphics Features - Lumen - Jan 23, 2020

When the RenderDoc plugin is installed with raytracing enabled shadows don't render correctly. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11087956 ...

DebugExecBindings increases when RenderDoc is enabled and started

UE - Graphics Features - Jan 23, 2020

This problem is caused by the addition of DebugExecBindings every time at startup, so the setting keeps increasing. ...

Map container which has struct type value might be displayed inside unnecessary hierarchy

UE - Editor - UI Systems - Slate - Jan 23, 2020

Essentially, A bug in --[Link Removed]-- comes up with only customized struct property. If a struct doesn't have customization, it can be displayed compact without "Element X" node hierarchy. It i ...

Material and Animation do not stop even if Game pauses when Material domain is User Interface

UE - Editor - UI Systems - Jan 22, 2020

For Animation and Tick, we have confirmed that pausing can be done by stopping Native Tick. But we can't stop with Material. Widget Component can change the handling of time with EWidgetTimingPolicy ...

The Radial Blur Shader Doesn't Look Correct With Raytracing Translucency Enabled

UE - Graphics Features - Lumen - Jan 21, 2020

The Radial Blur shader doesn't look correct with ray tracing translucency enabled. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11050671 ...

AR Core - Apps with Candidate image result in black screen on first launch

UE - Platform - XR - Jan 20, 2020

On first launch of an AR app with Android the camera passthrough will render black. This also happens if an app is minimized and re-opened. This will not repro if there is no candidate image assign ...