Thumbnails do not display shadows after opening and saving the asset

UE - Graphics Features - Lumen - Apr 14, 2020

Shadows in an asset's thumbnail disappear after opening and saving the asset, whether changes are made or not.  Tested: 4.24.3 CL#11590370, 4.25P6 CL#12493028, 4.26 CL#12767035 ...

Android media player rejects RTSP streams.

UE - Platform - Mobile - Apr 14, 2020

The Android Media player checks for a valid stream URL using an HTTP connection (MediaPlayer14.java in RemoteFileExists). This means it erroneously rejects RTSP streams. ...

Animation Blueprint does not update in editor if ActorComponent UProperty is changed while ActorComponent is selected on placed Actor

UE - Gameplay - Components - Apr 14, 2020

At editor-time (ie, while using the editor and NOT in a PIE session), the Animation Blueprint's ability to read updated values appears to depend on what component of an Actor is currently selected, ...

AbilitySystem.Debug.NextCategory incorrectly has same description as AbilitySystem.Debug.PrevTarget

UE - Gameplay - Apr 13, 2020

The console command AbilitySystem.Debug.NextCategory incorrectly has the same description as AbilitySystem.Debug.PrevTarget instead of its own accurate description. ...

Crash while trying to import a C4D file with Animation via Datasmith

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 10, 2020

The file was originally created by Mixamo and saved as FBX. It was resaved it in C4D with the Save for Cineware Option. Importing it into the Editor causes it to crash. This was tested and reported ...

Crash in Anim Budget Allocator when adding fifth budgeted component to the scene in packaged builds when Niagara is enabled

OLD - Anim - Apr 9, 2020

The setup is fairly simple: Each time the button is pressed, we spawn an actor with a USkeletalMeshComponentBudgeted component whose skeletal mesh is DefaultSkeletalMesh. When the fifth actor is ad ...

macOS Rendering Artifacts on Intel Graphics

UE - Rendering Architecture - RHI - Apr 9, 2020

https://udn.unrealengine.com/questions/568577/macos-rendering-artifacts-on-intel-graphics.html ...

GeometrycacheActor light channel issue

UE - Graphics Features - Apr 9, 2020

Exception Crash When Moving Files

Tools - Apr 8, 2020

Moving files to a sub-folder crashes the editor. ...

Bind Cloth to Master Pose Component not working

UE - Simulation - Physics - Character - Apr 7, 2020

Bind Cloth to Master Pose Component is not copying the sim buffer to the target skeletal meshes. ...