C4D Mograph not working in 4.24.0

UE - Editor - Content Pipeline - Datasmith - Importer - Dec 16, 2019

A customer is reporting that C4D mograph support is broken in version 4.24. C4D file added under [Link Removed] folder in: [Link Removed] ...

Some bones are not removed even when registered in "Bones to Remove"

UE - Anim - Runtime - Mar 22, 2020

 The difference between "testbone" and "testbone2" is only whether there is "joint7" Skinning itself has been properly ruled out. However, it can be confirmed by attaching a socket etc., but the bo ...

Editor crash with virtual texture lightmaps enabled

UE - Platform - Mobile - Nov 30, 2020

Undoing parent deletion creates duplicate child actors

UE - Framework - Blueprint - Jul 29, 2022

Undoing the deletion of an actor with a child actor component added via the details panel (IWCE) duplicates the child actor and the hierarchy is incorrect in the scene outliner. This seems to only h ...

Editor iOS rotation specifiers are not followed (especially Portrait)

UE - Platform - Apple - Oct 20, 2023

Specifying which orientations the iOS app supports are not honoured correctly.  ie: a landscape only game will still render in Portrait mode even when Portrait is disabled in the iOS Settings panel ...

Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)

UE - Editor - Content Pipeline - Datasmith - Mar 4, 2024

The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...

[AI] Incorrect collision for USplineMeshComponent

UE - Framework - Apr 15, 2024

The collision for a spline mesh can be calculated incorrectly. The issue appears to be when Alpha is out of range when calculating the slice transforms at splice offsets. ...

Setting a poseable mesh component as leader component for a skeletal mesh component causes an access violation.

UE - Runtime - Animation - Jun 11, 2024

When a skeletal mesh component's leader component is set to a poseable mesh component, the application will run into an access violation when it tries to update animation curves and morph targets. ...

GAS: Initial OnRep_SpawnedAttributes from DefaultStartingData clears attribute values for already replicated ActiveGameplayEffects

UE - Gameplay - Gameplay Ability System - Oct 23, 2024

Context The property 'DefaultStartingData' in AbilitySystemComponent can be configured from blueprint to spawn default attribute sets. This happens OnRegister. For runtime spawned actors like pawns ...