Network Prediction Insights tool checks/crashes with trace data from a multiplayer PIE session

UE - Gameplay - Network Prediction - Mar 27, 2024

Loading a trace in Insights that has Network Prediction channel data from a multi-client PIE session will hit a check and crash the Insights tool. ...

Niagara using a Volume and Mesh renderer with a shared base material does not renderer correctly

UE - Niagara - Mar 26, 2024

Using a shared base material with both a Volume and Mesh renderer causes the emitter to render as a glowing box at the scale of the bounding box. ...

Camera Shake can apply a new post process material every tick when post process material has "Is Blendable" disabled

UE - Anim - Sequencer - Mar 26, 2024

In the repro project the player camera has a post process material that slightly darkens the frame by subtracting 0.01 from the final color. When a camera animation based on a camera sequence is pla ...

Material Layers Ignore Virtual Texture Sampler Restrictions

UE - Rendering Architecture - Mar 25, 2024

Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...

Subobject Data Subsystem has CanPasteSubobjects decorated with UFUNCTION but PasteSubobjects is not.

UE - Gameplay - Mar 25, 2024

In the Subobject Data Subsystem, CanPasteSubobjects is BlueprintCallable, but the call to PasteSubobjects is not. Given CanCopySubobjects and CopySubobjects are both BlueprintCallable, the ability t ...

Assert triggering when trying to copy-paste an empty CurveAtlasRowParameter node in the material editor

UE - Rendering Architecture - Materials - Mar 25, 2024

A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value. This behavior also exists on CL 32426910 of Release-5.4. ...

Crash when createing a Landscape and the DisasterRecoveryClient plugin is enabled. In the editor appears as Recovery Hub.

When DistasterRecoveryClient (in editor called RecoveryHub) plugin is added to the project and the user creates a Landscape, a crash occurs. ...

Shadow doesn't update for a moving nanite mesh (fixed in 5.4)

UE - Graphics Features - Shadows - Mar 25, 2024

When a nanite mesh moves, the shadow does not. ...

Mac Modern xcode framework link issue

UE - Platform - Apple - Mar 25, 2024

Our client is attempting to use an external framework as a third party within Unreal Engine, and they are encountering issues despite following the standard guidelines for adding the framework. T ...

Crazy camera when zooming in/out the Sequencer

UE - Anim - Sequencer - Mar 22, 2024

If you add Static Mesh (cube) in this Level Sequence and click on it in Sequencer, you can observe the Spline Path that the cube is following is changing its shape when keys in Sequencer are zoomed ...