Unable to Create New Niagara User Parameter After Deletion without Niagara Editor Window Restart

UE - Niagara - Scripting - Apr 22, 2024

When a user deletes a Niagara User Parameter within the Niagara System editor window, attempting to create a new parameter with the same name immediately after deletion results in an error. Despite ...

Changes to Instanced Properties on a BP archetype are not propagated to Actors inside Level Instances or unloaded levels.

UE - Gameplay - Blueprint - Apr 19, 2024

Consider a C++ ActorComponent containing an instanced TObjectPtr property (which may be standalone or inside a container such as TMap). Now consider a Blueprint Actor containing such a component, an ...

Blend Stack node doesn't have a valid FDeltaTimeRecord

UE - Anim - Runtime - Apr 19, 2024

The blend stack node doesn't generate any values for its DeltaTimeRecord.  This can be tested with the fix for [Link Removed] shelved at 32747789.  Since there isn't a tick record directly associate ...

SkeletalMeshActor flickers rapidly when PhysicsAsset contains multiple boxes.

UE - Anim - Synthesis - Apr 12, 2024

SkeletalMeshActor using a PhysicsAsset with custom box shapes may flicker rapidly in Editor when not selected, and also flickers in PIE mode. If occlusion culling is disabled the flickering stops. ...

AR Kit Env Probes are backwards

UE - Platform - XR - Apr 11, 2024

[Link Removed] Original issue shared on UDN: [Link Removed] ...

Edit Conditions on Struct that contains FGameplayTagQuery leave the property readonly

UE - Gameplay - Blueprint Editor - Apr 8, 2024

When inside an array is used a UStruct with a FGameplayTagQuery var that has the EditCondition meta that is evaluating inside the struct. When a new element is added to the array in the editor, if a ...

[Substrate] Workaround for DXC problem with roll unlooping

UE - Graphics Features - Substrate - Apr 8, 2024

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

Crash when opening or editing a DataTable with a Row Structure that contains a BodyInstance

UE - Simulation - Physics - Editor - Apr 5, 2024

If a DataTable Asset is created with a Row Structure that contains a member variable of type BodyInstance, the Editor will crash when attempting to open it while it has no rows. It will also crash w ...

tvOS is missing prebuilt ssl libraries

UE - Platform - Apple - Apr 4, 2024

tvOS should include the libssl.a libs as part of the install build. ...

Incorrect relative position on replicated child actor

UE - Networking - Apr 4, 2024

The issue seems to occur when a replicated child actor is received on the client before its parent. The child actor will first be spawned at its correct global position, with its root component's p ...