Fixing Issue in Niagara stack across particle and system stages crashes the editor.

UE - Niagara - Jan 18, 2024

The Update Persistent Audio module has a dependency on a Play Persistent Audio module. When there are two modules in different overview nodes, the automatic fix up can put the Play Persistent Audio ...

Reset Instance Changes to Blueprint Defaults does not reregister components

UE - Gameplay - Blueprint Editor - Jan 17, 2024

For map placed blueprint actors with components with property modifications, when triggering Reset Instance Changes to Blueprint Default from the actor instance's Details panel, any components with ...

Map actor reconstruction does not reattach external non-root components

UE - Gameplay - Components - Jan 17, 2024

For two map placed actors, if one actor B's non root component is attached to another actor A, the attachment is not retained when actor A reruns its construction script, such as when moving actor A ...

Blueprint Instanced Variables Data Erased

UE - Gameplay - Blueprint - Jan 17, 2024

Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...

Go to end and Stop on level sequences does not work with keep state animations and anim bps

UE - Anim - Sequencer - Anim in Engine - Jan 16, 2024

When a skeletal animation section is set to Keep State, and the mesh uses an anim BP and slots to play back the animation, calling Go to End and Stop on the sequence will not pause the animations. ...

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 . ...

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

UE - Graphics Features - Jan 16, 2024

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

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. ...

Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5

UE - Gameplay - LWC - Jan 15, 2024

FVariant is a struct that implements a union of data types, including FVector. When assigning an FVariant an FVector value in engine versions UE 4.27 or earlier, the FVariant will deserialize incorr ...