Unreal Engine Issues
Unreal Engine Issues
Enabling SunPosition engine plugin causes a missing file warning in a packaged build
UE - Editor - Content Pipeline - Apr 18, 2024Licensee noted that editor-only code from the Sun Position Calculator engine plugin was causing a warning in packaged builds. A similar issue was reported for 4.22 [Link Remove ...
OBJ file imports with wrong scale and orientation.
TM - Interoperability - Jun 14, 2024I've also attached an FBX of the same mesh for reference. [Link Removed] [Image Removed] ...
FStaticMeshCompiler::FinishCompilation stalls when compiling multiple meshes.
UE - CoreTech - Oct 7, 2024Calling "FStaticMeshCompiler::FinishCompilation" on multiple assets simultaneously can cause a hang. Also tested on //UE5/Release-5.5, CL: 36784631 ...
Metdata 'ForceAsFunction' does not prevent conversion to event
UE - Framework - Blueprint Editor - Mar 6, 2025Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...
Landscape raytracing geometry always updates every frame
UE - Graphics Features - Ray Tracing - Apr 11, 2025LOD 0 Landscape meshes are always updated in FLandscapeComponentSceneProxy::GetDynamicRayTracingInstances because* r.RayTracing.Geometry.Landscape.LODsUpdateEveryFrame* (GLandscapeRayTracingGeometry ...
PIE Seamless Travel with a standalone level instance causes assert in UWorldPartition::BeginDestroy
UE - World Creation - Worldbuilding Tools - Level Instances - May 8, 2025This check is hit on the server instance while it is performing garbage collection during the seamless travel. During this garbage collection, it will determine that the UWorldPartition object belon ...
Drag and drop does not work from a window created with PySide
UE - Editor - Workflow Systems - Feb 5, 2026The cursor position is no longer updated during drag and drop, so drag-over events cannot respond correctly. Commenting out the following code in WindowsCursor.cpp works as a workaround ( the behavi ...
Level Instance Property Overrides failing in UWorldPartitionLevelStreamingDynamic::FinalizeRuntimeLevel
UE - World Creation - Worldbuilding Tools - Mar 16, 2026BSPs do not update when converted to blocking volumes
UE - LD & Modeling - Modeling Tools - BSP - Oct 21, 2015If a bsp is converted to a blocking volume, the faces of the bsp remain present until a new actor is placed or geometry is compiled. ...
Contains array does not recognize compatible elements after reopening editor
UE - Gameplay - Blueprint - Jul 1, 2015Array Contains node does not recognize compatible elements after saving and restarting the editor. ...