Duplicating a Blueprint with a function call node connected to a variable of the source Blueprint type results in a compile error in the duplicated asset.

UE - Framework - Blueprint Editor - Feb 21, 2023

If a Blueprint asset contains a function call node for which the referenced function context is set to 'self', if the "Target" pin is connected to a type that equates to the owning Blueprint asset ( ...

TMap does not rehash when the property change if the key is struct

UE - Editor - Verse Class Editor - Feb 17, 2023

If TMap's Key is a unique Struct, TMap's rehash will not run even if elements are added or changed in DetailPanel such as DataAsset. So TMaps's Find etc. will fail This issue is very similar to ...

BlackboardComponent observer can be called for the wrong key

UE - AI - BehaviorTree - Feb 7, 2023

We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...

Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.

UE - Framework - Blueprint - Jan 28, 2023

As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...

MotionWarping does not recognize new MontageInstance with the same montage

UE - Anim - Gameplay - Jan 11, 2023

When the same AnimMonotage is played again while moving with MotionWarping & RootMotion, UAnimNotifyState_MotionWarping does not recognize it. From licensee: The issue was that in URootMotionMod ...

Native variable references like GameplayAttribute cannot be searched by "Find in Blueprints" or "Asset Search"

UE - Framework - Blueprint Editor - Jan 4, 2023

"Find in Blueprints" does not turn up results when searching a GameplayAttribute by name, even when there is a GameplayEffect blueprint that has a modifier for that GameplayAttribute. This is becau ...

console command "viewmode lodcoloration" doesn't work in standalone game

UE - Rendering - Graphics Features - Jan 4, 2023

refer to attached video ...

CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level

UE - World Creation - Worldbuilding Tools - World Composition - Dec 16, 2022

in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed  so, CullDistanceVolume is not u ...

Widget's shear render transform isn't reversed when using RTL text flow

UE - Editor - UI Systems - UMG - Dec 13, 2022

When a widget's flow preference is set to RTL, we adjust the render transform so that the horizontal transform is mirrored (see SWidget::GetRenderTransformWithRespectToFlowDirection). We should do t ...

Vector NotEqual / != displays default tolerance of "0" instead of "0.0001"

UE - Framework - Blueprint Editor - Nov 22, 2022

If this is just a display issue, it's still fairly significant because a tolerance of 0 and anything else are very different. I have not confirmed if it's only display or if the comparison is actual ...