Dormancy validation log warnings when COND_Never property changes

UE - Networking - Jun 2, 2023

FRepLayout::DiffProperties doesn't check if the property's conditions is COND_Never or if the Parent Cmd's flags have the ERepParentFlags::IsLifetime flag (which FRepLayout::InitFromClass doesn't se ...

WatchEnumProperty() node failing to find Enum property in tool property set

UE - Graphics Tools - Modeling Tools - GeometryScripting - Oct 5, 2023

Within a UEditorScriptableClickDragTool tool, when attempting to watch the changes of an UENUM property using WatchEnumProperty() node, the property will never be able to be found during FindValid ...

OBJ file imports with wrong scale and orientation.

TM - Interoperability - Jun 14, 2024

I've also attached an FBX of the same mesh for reference. [Link Removed] [Image Removed] ...

Metdata 'ForceAsFunction' does not prevent conversion to event

UE - Framework - Blueprint Editor - Mar 6, 2025

Quote 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 ...

PIE Seamless Travel with a standalone level instance causes assert in UWorldPartition::BeginDestroy

UE - World Creation - Worldbuilding Tools - Level Instances - May 8, 2025

This 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 ...

BSPs do not update when converted to blocking volumes

UE - LD & Modeling - Modeling Tools - BSP - Oct 21, 2015

If 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. ...

Landscape materials do not correctly render on iPhone 5S with version 8.3 installed

UE - Graphics Features - Jun 17, 2015

[JoshA] This is a bug in the Metal renderer. Basing on the screenshots in the Comments, it looks like some sort of precision issue in Metal shaders? Landscape materials incorrectly render when depl ...

Line traces don't consistently trigger when colliding between landscape components

UE - Simulation - Physics - Mar 15, 2015

Landscapes do not consistently return "hit" on traces. Lots of AH posts on this topic, and votes on public tracker: [Link Removed] ...

PIE with Auto Recompile Blueprints disabled generates an error message asking to compile PROTO_BP Blueprints

UE - Gameplay - Blueprint - Mar 17, 2015

PIE with Auto Recompile Blueprints disabled generates an error message asking to compile PROTO_BP_Blueprint_0 and PROTO_BP_AnimBlueprint_0. Clicking Yes compiles, but any attempt to PIE thereafter g ...