Cannot edit collision response details in SkeletalMesh components added via Blueprint.

UE - Gameplay - Blueprint - Aug 5, 2015

If the mesh component is added in Blueprint (i.e. in the Blueprint editor and/or through Construction Script), then it's not possible to edit the collision response details for an instance of the co ...

DisplayName Metadata tag is not used in the SCS editor or the My Blueprints window

UE - Gameplay - Blueprint Editor - Nov 12, 2020

This also brings up a good point about how `FName::NameToDisplayString` works. Currently it will only remove a 'b' character if a boolean is given, which leads to inconsistent results throughout the ...

FPropertyEditorInlineClassFilter confusing (and wrong) IsA semantics

Tools - Mar 20, 2017

FPropertyEditorInlineClassFilter IsUnloadedClassAllowed and IsClassAllowed use the confusing IsA semantics. In the IsUnloadedClassAllowed, the usage seems wrong completely. It seems like the real i ...

Expose input action from enhanced input component delegates

UE - Gameplay - Input - Jun 9, 2021

From a delegate there is no easy way to access the action that triggered the delegate. Whilst this is mostly inherent (an OnJumped handler implies the Jump action) it would be better to provide dire ...

Child Blueprint construction script runs before parent C++ OnConstruction

UE - Gameplay - Jun 25, 2019

When the order of construction is backwards it makes it impossible to have native objects set up components in OnConstruction, that a child BP Construction Script then has access to. Sometimes the C ...

Unable to delete levels with Particles in them

UE - Gameplay - Oct 9, 2019

The engine is unable to Level that has a Blueprint actor with a child actor component that has a particle system component. The follow message pops up: World /Game/LevelName.LevelName is in use. — ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

r.MobileContentScaleFactor appears to be ignored defaulting to 1 on Mobile Devices

UE - Platform - Mobile - Feb 28, 2022

r.MobileContentScaleFactor = 0 should return Native Resolution; 1 should return Standard definiton; 2 shold return an High Definition Resolution. It seems that r.MobileContentScaleFactor is being i ...

Editor-only blueprints like WidgetBlueprint are not added to cooked asset registry class hierarchy

UE - Foundation - Core - Aug 10, 2022

Both 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 ...

[Feature Request] Add a "Move Function Declaration to Parent" option for blueprint added functions

UE - Gameplay - Blueprint Editor - Mar 21, 2021

Users requested the ability to move only the function declaration to a base class from blueprints instead all of the nodes inside the function.  From the user:  "Essentially, 95% of the time wha ...