Unreal Engine Issues
Unreal Engine Issues
[SolidWorks] Complex assemblies will not import correctly
UE - Editor - Content Pipeline - Datasmith - Importer - Aug 25, 2018Using Solidworks 2017 Service pack 4.1 the sldasm files only partially import. Instances, folders, and suppressed parts also mess up the import. Suppressed parts show up from different configuration ...
Collision settings of an Instanced Static Mesh setup in the Construction Script are not preserved when the Actor is added to an Instanced Level
UE - Framework - Components - May 23, 2022Tested in //UE4/Release-4.27 CL 18319896 using Level Streaming the camera was ignored by the ISM_Cube. Collision settings of an Instanced Static Mesh setup in the Construction Script are not preser ...
RenderTarget Texture Alpha rendered incorrectly when SceneCapture2D AA set to true
UE - Graphics Features - Jan 8, 2016The Alpha Channel of the Render Target Texture is rendered as a value of 1 (solid white) when the SceneCapture2D actor is set to LDR with PP and Anti-Aliasing is set to true in the General Show Flag ...
Dragging a custom event node to event graph that is bound via output pin to an event dispatcher crashes editor
UE - Gameplay - Blueprint - Aug 3, 2016Editor crashes if a custom event function is called after a custom event has been bound to an event dispatcher. However, this only occurs if the event binding occurs from an event delegate by ref ou ...
The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility
UE - Gameplay - Blueprint - Nov 21, 2015The Toggle Comment Bubble button for Reroute nodes does not revert the comment bubble to constant visibility if the bubble is set to only appear when the node is hovered over. This does not occur w ...
LuaScriptCodeGenerator calls private FColor constructor
UE - Foundation - Core - May 24, 2016LuaScriptCodeGenerator.cpp line 82 (https://github.com/EpicGames/UnrealEngine/blob/4.11/Engine/Plugins/ScriptPlugin/Source/ScriptGeneratorPlugin/Private/LuaScriptCodeGenerator.cpp#L82) sets a FStrin ...
Foliage Not Updating to Match New Landscape Height After Level Save-As
UE - World Creation - Worldbuilding Tools - Foliage - May 3, 2018I have observed this behavior in 4.18.3, 4.19.2, and Main (CL 4048405) Per User: I made a landscape, painted some foliage and saved the scene. After I saved the same scene under different name the ...
Pawn's role is incorrect in BeginPlay on client if a multicast RPC is called in BeginPlay on server
UE - Networking - Jun 6, 2022It seems as though calling a multicast RPC during BeginPlay on the server will cause the new actor to finish spawning on the client before applying any initial replicated data, such as the actor's R ...
Materials for certain groups appear black in Path tracer when Keep Hierarchy is used to import .skp files
TM - Interoperability - Mar 3, 2025Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...
BSOD when launching Twinmotion on NVIDIA 50-series GPUs with 576.02 Drivers
TM - Rendering - Apr 22, 2025Reported from multiple users. NVIDIA RTX 50-series GPU users are reporting BSODs when attempting to launch Twinmotion with the latest drivers installed. The crashes occur on the 576.02 driver versi ...