Movie Scene Capture - DX12 Render Artifacts and Delay

UE - Rendering Architecture - RHI - Jun 19, 2023

If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts.   However, the delay and artifacts do not appear when using ...

Editor becomes unresponsive when selecting BP_FirstPersonChracter0 while Playing in Editor with specific settings

UE - Editor - Jun 19, 2023

This is a regression. Testing //UE5/Release-5.1 CL23901901 When selecting BP_FirstPerconCharacter at run time in a project that has C++, Quality as Scalable, and Ray Tracing enabled the editor free ...

Spawn and Register Tab and Get ID Produces Unbounded Length IDs

UE - Editor - UI Systems - Jun 18, 2023

Spawning Editor Utility Widgets via Spawn and Register Tab and Get ID inside another widget creates unbounded length IDs that get progressively longer with each subsequent spawn, as the ID is append ...

Inconsistent Behavior in Hiding Child Actors

UE - Editor - Workflow Systems - Jun 18, 2023

Pressing the 'h' key only hides the root actor and none of the children, unlike the scene outliner where clicking the eye icon hides the root actor and all children. This appears to be because edac ...

Customized struct with a TObjectPtr to an EditAnywhere, Instanced UObject does not show in full blueprint editor

UE - Editor - Workflow Systems - Jun 18, 2023

A customized struct with a TObjectPtr to an EditAnywhere, Instanced UObject will not show in full blueprint editor. I narrowed this down to the SKismetInspector::IsPropertyVisible method. The prope ...

Extension methods in Rules errors due to ambiguous call

UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 16, 2023

The extension methods seem to be getting compiled into multiple rules dlls Example .Build.cs // In TestPlugin.Build.cs using System; using UnrealBuildTool; publicclass TestPlugin : Module ...

GeometryCollection with StripOnCook and without EnableNanite causes a crash in cooked game

UE - Simulation - Physics - Destruction - Jun 16, 2023

The Strip on Cook option seems to strip even necessary data. ...

Sequencer: Changing a data layer track to KeepState hits ensure(Aggregate) in animated state storage

UE - Anim - Sequencer - Jun 16, 2023

Ensure condition fires as described in reproduction steps when using a Data Layer track in Sequencer with 'Keep State'. ...

LinkedAnimGraph of AnimBP is not applied to the character to which ForceCustomMode is applied in the sequencer after the sequencer playback is completed

UE - Anim - Sequencer - Anim in Engine - Jun 16, 2023

LinkedAnimGraph is not restored at the end of an AnimationSection with ForceCustomMode enabled. There is a problem with the order in which custom mode ends and anim instances are restored, and Linke ...