Animation flickers when made visibility is re-enabled

OLD - Anim - Nov 4, 2019

An animation can display an incorrect frame upon having its visibility re-enabled, resulting in a noticeable flicker. This can be prevented by setting the mesh's 'Visibility Based Anim Tick Option' ...

Crash when Pasting a Gameplay Tag variable setter into a level Blueprint

UE - Gameplay - Blueprint Editor - Nov 4, 2019

Copying a gameplay tag variable setter from a blueprint into a level blueprint fails an assert in UGameplayTagsManager::GetCategoriesMetaFromField. ...

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 ...

PhysX Clang Builds Broken

UE - Simulation - Physics - Nov 5, 2019

Clang physx builds in 4.23 seem to be broken due to a change of GuPersistentContactManifold.h including #pragma warning and no longer ending in a new line. ...

Calling GEngine->Browse from an RPC implementation causes a crash

UE - Networking - Nov 5, 2019

The engine is not resilient to calling Browse from within an RPC implementation, and likely not resilient to other ways of destroying the net driver within RPCs/OnReps. It's not something we need to ...

Procedural Mesh Component 'Create StaticMesh' does not preserve collision

UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 5, 2019

Creating a static mesh from a procedural mesh does not preserve simple collision or collision settings. ...

Sub Anim Instances Evaluate when not contributing

OLD - Anim - Nov 8, 2019

When using a sub anim instance, the instance will continue to update/evaluate even when its value is not currently contributing to the final pose. ...

TrueDepth API Included when Face Support is disabled

UE - Platform - XR - Nov 8, 2019

Licensees are reporting app rejections from Apple with the message "Your app includes TrueDepth APIs. However, we were not able to locate any features in your app that use TrueDepth APIs." ...

Crash when AnimBlueprint and Bleuprint Interface has Same Name Function

OLD - Anim - Nov 12, 2019

When AnimBP and Blueprint Interface was added to the AnimBP has same name function, compiling AnimBP occur crash. ...