Mesh deformed by Cable Component does not output velocity

UE - Simulation - Core - Aug 7, 2023

The velocity when moving the root is output, but it seems that the velocity for each deformation is not output. Since motion blur and TSR use velocity, problems such as ghosting may occur. ...

bIgnoreAllPressedKeysUntilRelease behaves differently for triggers in EnhancedInputAction and triggers in InputMappingContext

UE - Gameplay - Input - Aug 10, 2023

For actions that are triggered on the Input mapping context, simply adding or removing an InputMappingContext with no related key override with the bIgnoreAllPressedKeysUntilRelease option will caus ...

Editor Freezes after the user attempts to set a NewSpriteAtlasGroup to an imported sprite

UE - Gameplay - Paper2D - Apr 19, 2023

By setting an Atlas Group to a newly created sprite, the editor freezes. This feature is most important, even if this issue can only be reproduced by a minority of users. Repro rate: 5/5 Notes:No ...

Using the end of the curve as a weighted tangent does not yield the expected value.

UE - Anim - Runtime - Oct 16, 2023

When changing the tangent value, the last value is sometimes not 1.0 [Reproduce sample project] [Link Removed] ...

SwapRootBone_Actor ignores a relative rotation

UE - Anim - Sequencer - Dec 19, 2023

When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...

Specular/Anisotropy problems with Nanite Meshes

UE - Rendering - Architecture - Jan 11, 2024

Specular highlights can disappear with clearcoat materials, when "Clear Coat Enable Second Normal" is enabled ("r.ClearCoatNormal"). ...

View Distance sorting of Niagara sprites is incorrect when far from the origin

UE - Niagara - Jan 15, 2024

This problem seems to occur on both CPU and GPU Sims. ...

Anisotropy not working correctly when used in Material Layers

UE - Rendering - Architecture - Materials - Jan 17, 2024

1. When a Material Layer is applied and there is no node connected to Anisotropy in the master material(M_Test_1), the material does not function correctly after packaging, although it works properl ...

Pixel Inspector does not display Gbuffer values properly when a mesh with a material that has Anisotropy set is in Level

UE - Rendering - Graphics Features - Jan 16, 2024

This issue occurs when there is a material with Anisotropy, like the attached GIF.[Image Removed] ...

Depth of field rendering artifacts - flickering and masking

UE - Rendering - Architecture - Jan 16, 2024

Flickering and large flashes can be seen on reflective objects that are out of focus with DOF enabled. DumpGPU shows that artifacts are visible in TSR . ...