UPlacementSubsystem can return unintended factories from FindAssetFactoryFromAssetData

UE - Editor - Workflow Systems - Oct 13, 2023

Factories registered to the PlacementSubsystem using  UPlacementSubsystem::RegisterAssetFactory will always be added to the end of the AssetFactories array. Which means if there are any existing reg ...

Contact shadow has box artifacts with backlighting for two sided Subsurface shading model

UE - Graphics Features - Shadows - Nov 14, 2023

See slack channel: [Link Removed] ...

Replace Transform Track setting not used when importing FBX through scripting.

UE - Anim - Sequencer - Feb 16, 2024

Importing the fbx uses the default settings, which aren't accessed through scripting, so they cannot be changed. To circumvent this  MovieSceneToolHelpers::ImportFBXIfReady caches the defaults, and ...

Access Violation - UMovieSceneFolder::PostLoad - Accessing freed memory

UE - Anim - Sequencer - Sep 19, 2024

A licensee has hit an access violation issue due to a movie scene containing a reference to an invalid child object binding. It triggers in the following method: UMovieSceneFolder::PostLoad // Vali ...

[Interchange] mesh outside LODs hierarchy are added to only lod 0 it should be added to all lods

UE - Editor - Content Pipeline - Import and Export - Oct 9, 2024

VisionOS deferred renderer regression

UE - Platform - XR - Sep 11, 2024

Deferred desktop renderer does not function correctly on visionOS.  It did work in 5.4.  One problem is the r.XRMSAAMode setting forcing 4 samples even when not using msaa, but there are other probl ...

[Feature Request] Allow bulk-assignment of values during blend profile/mask creation

UE - Anim - Runtime - Oct 16, 2024

Users have reported that manually editing each bone when generating blendmasks to be tedious and could be easier with some bulk editing functionality. ...

[Feature Request] Allow bulk-assignment of values during blend profile/mask creation

UE - Anim - Runtime - Oct 16, 2024

Users have reported that manually editing each bone when generating blendmasks to be tedious and could be easier with some bulk editing functionality. ...

Digital buttons for gamepad thumbsticks and triggers can fire multiple times per-frame in Game Input

UE - Gameplay - Input - Dec 4, 2024

In Game Input, the buttons for different thumbstick and trigger digital events (i.e. RightStickUp, LeftStickUp, LeftStickRight, etc) can actually fire multiple times in a single frame, even though w ...

Crash when moving a sprite imported as part of a spritesheet to another folder if the sprite names had invalid characters

UE - Editor - Content Pipeline - Content Browser - Oct 28, 2014

Attempting to move any of the sprites created from this .json to another folder from within the Content Browser crashes the project. CRASHREPORT: 442758 ...