SubobjectDataSubsystem functions do not show up in blueprint editor.

UE - Gameplay - Blueprint - Apr 15, 2024

Licensee was not able to access SubObjectDataSubsystem functions from their blueprint editor, as the functions (such as "GatherSubobjectDataFromInstance") did not show up in the right-click menu and ...

Local fog volume rotation causes offset issues at high world position values

UE - Graphics Features - May 20, 2024

Local fog volumes have a substantial offset when placed at a far distance from world origin and is then rotated. This was not the case in 5.3 when tested under the same conditions, so this is likely ...

Displacement + TAA causes "vibrating"/"buzzing" artifacts

UE - Rendering Architecture - Jun 4, 2024

There is a buzzing artifact on shadows that is seen in the provided test project. The problem seems to be far more subtle when VSM is turned off. Licensee mentions that turning r.Velocity.ForceOutpu ...

AlwaysTickPose is prone to double firing notifies in a dedicated server setup.

UE - Anim - Gameplay - Jun 11, 2024

See UDN for more info: https://udn.unrealengine.com/s/question/0D5QP00000MfU8l0AF/uanimnotifynotify-is-called-twice-for-the-same-notify-on-server-in-a-multiplayer-game ...

"Assertion failed: CellIndex < CellIndexMax" when there are a lot of HISM foliage in a level

UE - World Creation - Worldbuilding Tools - Foliage - Aug 19, 2024

Users have come across an issue in 5.4 that causes an assert when many foliage or HISM objects are placed in a level due to a cell size limit. ...

Material is not always updated after a SketchUp file reimport

TM - Interoperability - Dec 4, 2024

The second file uses the same material as the first one, but it's color has been modified in the DCC.  Not reproducible with Datasmith import. In that case the material is correctly updated in all c ...

Blueprint array nodes do not display comments

UE - Gameplay - Blueprint - Mar 6, 2015

When you create an array node within a blueprint and add a comment to it, it doesn't show up. This includes the 'add' or 'remove' nodes that are pulled from the original array node. This seems to o ...

Components and Actors attached to physics objects (with weld) are not solidly attached

UE - Simulation - Physics - Jul 2, 2015

Components and Actors attached to physics objects are not solidly attached. The child actor tends to float around in relation to the parent. Occurs even when using a "Weld" attachment In the exam ...

Crash when renaming AnimGraph function in AnimBP

OLD - Anim - Apr 17, 2015

When renaming the AnimGraph in an Animation Blueprint, the editor crashes after you hit enter. [Link Removed] [Link Removed] Occurs in: 4.7.5 Release CL:2503383 4.8 Main CL:2513846 ...

Packaging with Code Editor plugin crashes and then fails to build

UE - Foundation - Cpp Tools - Plugin System - Jun 18, 2015

Packaging with the [experimental] Code Editor plugin enabled causes a crash during the packaging process in 4.8 source. The crash does not kill the editor, project can recover by choosing for Window ...