Construction script does not properly reset array count

UE - Gameplay - Oct 28, 2019

It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...

SkeletalMeshSimulationComponent does not work

UE - Simulation - Physics - Oct 28, 2019

SkeletalMeshSimulationComponent does not effect the simulation of geometry collections to interact with skeletal meshes and setting the component to dynamic results in a crash. ...

Custom Depth incorrectly displays in game when Post Process is set to 'Before Tonemapper'

UE - Graphics Features - Oct 28, 2019

Custom Depth is not displaying correctly when setting Post process to Before Tonemapping. We see this as a regression. This was working properly in 4.22. ...

Skylight mobility settings interfere with Ray Tracing accuracy

UE - Graphics Features - Lumen - Oct 28, 2019

When skylight raytracing is enabled, and skylight mobility is movable, skylight diffuse convolution is used on top of the skylight diffuse raytracing, causing severe bias and incorrect raytraced res ...

Oculus NetDriver Regression/Fix

UE - Platform - XR - Oct 26, 2019

From https://github.com/Oculus-VR/UnrealEngine/issues/60#issuecomment-544537005 UOculusNetDriver::LowLevelSend was modified to take an FInternetAddr pointer instead of an FString (due to the same c ...

Vertex Snapping when moving StaticMesh Pivot has regressed

Tools - Oct 25, 2019

Related UDNs:https://answers.unrealengine.com/questions/597988/vertex-snapping-static-meshes-to-one-another.html (2017) [Link Removed] (2015) ...

Mobile Preview - Custom Stencil 4.23 Regression

UE - Platform - Mobile - Oct 25, 2019

Regression when using custom stencil with in-editor mobile preview. This does NOT reproduce in MAIN at CL 9730599 ...

Montage Root Motion does not work from sub anim instances

UE - Anim - Gameplay - Oct 25, 2019

Root motion from sub instances is not used when the parent instance is marked as 'Root Motion from Montages Only'. Proposed fix is to modify USkeletalMeshComponent::IsPlayingNetworkedRootMotionMo ...

Crash in a packaged project when loading into a level after a nativized Anim BP grabs a PoseSnapshot using a FName

OLD - Anim - Oct 25, 2019

In packaged projects will crash when an animation blueprint that is nativized loads into a new level. The anim blueprint needs to use the PoseSnapshot node with a FName variable passed before loadin ...

Async loading fails because AssetManager's bHasBlueprintClasses does not consider WidgetBlueprint

UE - Editor - UI Systems - Oct 25, 2019

When bHasBlueprintClasses of AssetManager is enabled, WidgetBlueprint is not included in ClassName of ARFilter. Therefore, asynchronous loading using AssetManager of the UUserWidget inheritance clas ...