Material not compiling due to WorldAlignedTexture connected to multiply

UE - Rendering Architecture - Materials - Jul 23, 2024

When a WorldAlignedTexture node is connected to multiply and then to a base color output, the material cannot be compiled, giving an error about an undeclared local variable "Local27". Does not happ ...

A crash occurs inside the Unreal Editor when we change the Spline Point type of a spline point, and we subsequently select another spline point

UE - Editor - Workflow Systems - Jul 22, 2024

In versión 5.4, a crash has been found when using splines inside the LevelViewport. This crash occurs when we change the Spline Point Type of a spline point, and subsequently we select another splin ...

Cannot instantiate an InstancedStaticMesh component with ConstructionScript

UE - Graphics Features - Jul 21, 2024

Starting with Unreal Engine 5.4, the logic for adding ISM instances by adding ISM components in the Construction Script (like below) has failed.  [Image Removed] This issue accidentally was introd ...

Reflection Captures permanently unload with world streaming

UE - Graphics Features - Jul 19, 2024

When a reflection capture is unloaded due to streaming, it cannot be reloaded when the player returns to that area in the world because FReflectionCaptureData::OnDataUploadedToGPUFinal deletes the C ...

Spawnable Post Process Volume does not draw bounded values after saving and reopening a level

UE - Foundation - Core - Jul 19, 2024

Reproduction Attempts: 3/3 Doing some additional testing for Spawnable Post Process Volumes in a level sequence, the PPV does not appear after saving the level and level sequence, closing and reope ...

UHapticFeedbackEffect_SoundWave Initialize does not populate Raw Data in the HapticsBuffer

UE - Platform - XR - Jul 19, 2024

From the UDN:  >  Open HapticsFeedbackEffect.cpp and naivgate ~ line 150; note HapticBuffer has length populated but never write the actual buffer data. LikeReplySelect as Best Seems like a simple f ...

Landscape Layer Painting issues when painting near the edge of delete Landscape Proxies.

UE - LD & Modeling - Terrain - Jul 19, 2024

It appears that the landscape painting tool is not correctly taking into account deleted landscape sections, resulting in artifacts inside of the weight textures. ...

(BUG) Sequencer Root motion breaks down when using SwapRootWithActor, translation track and transform origin actor

UE - Anim - Sequencer - Anim in Engine - Jul 19, 2024

When "Sequencer.ThreadedEvaluation.AllocationThreshold 8" is initiated, characters in a level sequence that have “Swap Root Bone Actor” activated on their animation will begin to slide very fast acr ...

Regression - Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint is compiled, causing data loss

UE - Gameplay - Jul 19, 2024

In certain circumstances, when a derived blueprint is compiled, all properties from its inherited components can be silently reset to defaults on instances placed on the current level. This results ...

Sequencer- New takes will not respect project setting take number if initial asset doesn't have a shot number

UE - Anim - Sequencer - Jul 18, 2024

With 5.2, we allowed the take separator to be multiple characters long. But it would appear that when using this feature, if you don't also have a 'shot number' before the take separator, then the n ...