Added Scene Components are Missing Billboard Nodes

UE - Framework - Components - Jun 22, 2023

Newly added scene components to blueprints will have no billboard sprites, and thus cause the actor to be invisible in the editor unless other visible components are added. They exist on the default ...

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 - 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 ...

SplineComponent - setting roll affects tangents

UE - Framework - Components - Jun 12, 2023

Licensee reports issue with setting roll on a spline component control point. ...

Third person camera lag issue for vehicle in multiplayer

UE - Simulation - Gameplay - Jun 9, 2023

There's a vehicle/third person camera stutter observed as the vehicle corners. The issue appears worse with Physics Async mode enabled, and less perceptible with this mode disabled. This video was ...

Translucent mesh dissapears when using masked shadows

UE - Graphics Features - Shadows - Jun 7, 2023

This bug appears to be related to pass filtering. To observe correct behavior. In Project Settings->Rendering->Optimizations, set “Early Z-pass” to “Decide Automatically”, and disable “Mask materia ...

Material Function Instances do not show up in the Material Function Call node

UE - Rendering - Architecture - Materials - Jun 5, 2023

This is not a regression. Tested in //UE5/Release-5.1 CL23901901. The Material Function Instance can be dragged and dropped into the Material Function Call. ...

Long thin spinning objects take too long to stop spinning

UE - Simulation - Core - Jun 5, 2023

See the SpinningObjectStability test map in the Physics Sandbox. [Link Removed] It's not clear if this is a bug or a side effect of some of our solver shortcuts (e.g., omission of the precession te ...

Allow Cinematic Control is reset to true when restarting the editor

UE - Editor - Workflow Systems - May 31, 2023

When restarting the editor the viewport will have its Allow Cinematic Control flag reset to true. ...

Visual Noise on Thin Translucent materials with a Directional Light

UE - Rendering - Graphics Features - May 30, 2023

Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...

UAnimSequence::ExtractRootMotionFromRange causes problems on skeletons with different root bone ref transforms

UE - Anim - Gameplay - May 29, 2023

We should disable this block of code by default, with a config/console var to enable it: // Transform to Component Space const FTransform RootToComponent = RootTransformRefPose.Inverse(); StartTran ...