nDisplay - UMG widgets sync

UE - Virtual Production - nDisplay - Nov 9, 2019

As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...

SetCollisionEnabled shouldn't check owner

UE - Simulation - Physics - Nov 8, 2019

Attempting to set the collision of a component to NoCollision while the actor's collision is disabled will prevent the component's collision from changing. This is because of the early exit in UPrim ...

Using Snap Rotation displays the Rotation wrong (or calculates the Rotation wrong and losses precision) when the Y rotation axis is 90 degrees

UE - LD & Modeling - Modeling Tools - BSP - Nov 7, 2019

Although the Details Panel shows the degrees wrong, the object seems to have done it's rotation correctly but not in the right degrees. It will rotate to the position specified but it goes the wrong ...

"NO ASYNC TICK" in Cascade viewport when adding a Skel Vert/Surf Location

UE - Niagara - Nov 7, 2019

Adding a Skel Vert/Surf Location node to a Particle Effect causes it to stop displaying particles and throws the warning "No Async Tick". Toggling Skel Vert/Surf Location off allows the Particle to ...

Shadows are cast by meshes that have "Self Shadow Only" enabled while "Ray Tracing" is enabled with DX12

UE - Graphics Features - Lumen - Nov 6, 2019

Meshes that have "Self Shadow Only" enabled are still casting shadows if ray tracing is enabled with DX12. Found in 4.23.1 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24 CL#10053396, 4.25 Main CL ...

Editor Crash when trying to get Color data from Vertex buffer

UE - Graphics Features - Nov 6, 2019

When attempting to get the vertex color of an instance of of a static mesh that is painted after placing it in the World Viewport. The Editor crashes returning an "Unhandled Exception". The cause o ...

World Compositor out of touch with loaded levels state

UE - World Creation - Worldbuilding Tools - World Composition - Nov 5, 2019

Crash when using world composition origin rebasing

UE - World Creation - Worldbuilding Tools - World Composition - Nov 5, 2019

Assertion failed: Pair != nullptr [Link Removed] [Line: 566] UE4Editor_Core!AssertFailedImplV() [e:\unrealeditorplaydead\engine\source\runtime\core\private\misc\assertionmacros.cpp:105] UE4Editor_C ...

Internal Compiler Error: Tried to create a property Crash in scope Beta_C, but another object (ObjectProperty /Game/Alpha.Alpha_C:Crash) already exists there.

UE - Gameplay - Blueprint - Oct 31, 2019

After fixing the crash from [Link Removed] when compiling the child blueprint that has claimed the component name the parent was previously using without having compiled the parent, an internal comp ...

Vehicles with at least one kinematic collision do not function anymore

UE - Simulation - Physics - Oct 30, 2019

Using at least one source of kinematic collision on a vehicle causes animations or movement to not function any longer. This issue persists on child bones and collisions as well. Users are unable to ...