Unreal Engine Issues
Unreal Engine Issues
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. ...
The hair shading near the screen edge becomes whiter if only a skylight applies
UE - Graphics Features - Apr 4, 2023This appears to be an issue with Lumen, with some off-screen information making its way on-screen during an upsampling pass. We checked a Renderdoc capture and that is where it seems to come from. ...
Launching iOS build from Xcode fails after initial install
UE - Platform - Apple - Feb 21, 2024Xcode has an issue with repeated launches onto an iOS device. After the initial install, Xcode is unable to install any other builds of that same app due to some sort of codesigning issue. A work ...
SubobjectDataSubsystem functions do not show up in blueprint editor.
UE - Gameplay - Blueprint - Apr 15, 2024Licensee 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 ...
Lumen artifacts on splitscreen during camera cuts
UE - Graphics Features - Lumen - Apr 18, 2024A UDN licensee has pointed out that they are seeing unresolved Lumen reflection artifacts when they are running their game in split-screen mode. A video of this behavior is found in the Related tab ...
Local fog volume rotation causes offset issues at high world position values
UE - Graphics Features - May 20, 2024Local 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, 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 a 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 ...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Texture - Apr 2, 2025When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...