Unreal Engine Issues
Unreal Engine Issues
Deferred spawned actors can receive BeginPlay before they are finished spawning
UE - Framework - Performance - May 18, 2023Actors that are deferred spawned on BeginPlay can be added to the world while AWorldSettings::NotifyBeginPlay is still iterating the world's actors and dispatching BeginPlay. AActor::DispatchBeginPl ...
Repackaging the same build produces different order of shader code chunks in IoStore container TOC
UE - Rendering Architecture - Materials - Apr 24, 2024A licensee reported that packaging the build with same content (it is unclear if they were rebuilding the DDC between the runs, but it shouldn't matter) produces a different placement of code chunks ...
Skeleton does not match Full Body IK node debug.
UE - Anim - Rigging - Control Rig - May 13, 2025In a simple setup of the Fullbody IK control rig node, when you turn on the debug draw of the ik solve. The lines and the skeleton do not align. ...
With two viewports some show flags reset after clicking new actor in Outliner
UE - Editor - Workflow Systems - Feb 12, 2022In my 2nd viewport I like to turn Mode Widgets and Selection off. After I turn them off, if I select any actor through the Outliner, both those show flags turn back on in my 2nd viewport. I think a ...
Decal actor's decal size is rendered with double length
UE - Graphics Features - Oct 4, 2022Licensees have reported that they want to specify the Size in the same unit as cube on level. Looking at the engine, it seems that the Decal Size is currently set as the half size of the Box. [Imag ...
Subobject editor collapsed nodes are auto expanded when adding or moving a node
UE - Framework - Blueprint Editor - Apr 3, 2023Node operations cause all of the collapsed nodes to be auto expanded. This is disruptive when working with complex hierarchies because you can't hide irrelevant components. ...
Displacement + TAA causes "vibrating"/"buzzing" artifacts
UE - Rendering Architecture - Jun 4, 2024There 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 ...
"Assertion failed: CellIndex < CellIndexMax" when there are a lot of HISM foliage in a level
UE - World Creation - Worldbuilding Tools - Foliage - Aug 19, 2024Users 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 SketchUp file reimport.
TM - Interoperability - Dec 4, 2024The 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 ...
Soft Reference to redirector object (or ghost redirector)
UE - Gameplay - Components - Apr 26, 2023This seems be solved if asset is modify and saved again (Show in the video resource below ) [Link Removed] UDN Thread: https://udn.unrealengine.com/s/case/5004z00001nzoC9AAI/soft-reference-to-r ...