Unreal Engine Issues
Unreal Engine Issues
BP multi-level inheritance does not correctly inherit 'Static' mobility
UE - Framework - Blueprint - Sep 8, 2022User reported an issue of a mesh not being visible when a project has multi-level blueprint inheritance. After reproing, I believe the root cause is DefaultSceneRoot of the grandchild BP class not c ...
New Viewport Resolution setting increases every time a new PIE window is launched
UE - Editor - UI Systems - Slate - Sep 2, 2022When closing a PIE viewport, we write the size back to the New Viewport Resolution setting in case the window was resized during play. However, we do not account for the window border, and write bac ...
Blueprint added component get reordered when editing properties on them
UE - Gameplay - Blueprint Editor - Sep 1, 2022It's hard to say if this actually a UX issue specifically tied to component editing, or a broader issue with UX. Either way, we should triage the problem and work from there. ...
[AI] Debug Render Scene Proxy hits ensure for registering a delegate twice during level streaming.
UE - AI - Debugging - Aug 31, 2022Description from licensee: We're seeing an ensure get tripped up in FDebugRenderSceneProxy that says "DrawDelegate is already Registered!". Debugging the issue, we have confirmed that the DrawDeleg ...
Platform-specific defines not picked up by Intellisense
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 31, 2022With the way PLATFORM_XSX, PLATFORM_PS5 etc. are defined, it seems intellisense doesn't know about them, because the .vcxproj only references the Win64 version of Definitions.h, and they are defined ...
Blueprint functions with nested structs referencing UDataAssets generate errors if root not passed by value.
UE - Gameplay - Blueprint - Aug 17, 2022The source of the error appears to be a stray DefaultValue="None" that's contained within the inner "Test_Nested_TestContainer" split pin (copy/paste the node to notepad to see this). If you refresh ...
Copying collapsed graph with a node with a custom Exec pin results in duplicate pin name
UE - Gameplay - Blueprint Editor - Aug 17, 2022When duplicating a collapsed blueprint graph which has a node with a custom Exec pin, this results in blueprint compilation error that a duplicate named pin is found. Duplicated exec pins aren't ass ...
Duplicating an actor with a blueprint bound delegate behaves unexpectedly
UE - Gameplay - Blueprint - Aug 15, 2022When the trigger is duplicated, the contents of its OnActorBeginOverlap MC delegate are copied, which contains a reference to the BP actor that added the binding to the original trigger. Marking th ...
Physical Material Masks do not work in non-editor builds
UE - Simulation - Physics - Aug 12, 2022Physical material masks are not working as expected in cooked builds. Licensee reports that the mask data is empty at runtime. ...
Editor-only blueprints like WidgetBlueprint are not added to cooked asset registry class hierarchy
UE - CoreTech - Aug 10, 2022Both the Asset Registry and Asset Manager look for all subclasses of UBlueprintCore and use that to search for blueprint classes and construct an inheritance hierarchy. This always works in editor b ...