Editor/Details Panel allows duplicate keys in TMap/TSet UPROPERTY()

UE - Editor - Workflow Systems - Sep 5, 2023

When edited through the Details Panel in the Editor, TMap and TSet properties should not allow duplicate keys. When those keys are USTRUCTs with the “WithIdenticalViaEquality” trait, this should be ...

Switch on Gameplay Tag does not correctly register tag alterations in Standalone game

UE - Gameplay - Blueprint - Oct 5, 2015

Switch on Gameplay Tag does not acknowledge changes to Gameplay Tag variable in Standalone game. ...

ForEach 'Enum' node returns incorrect enum values

UE - Gameplay - Blueprint - Aug 21, 2015

ForEach 'Enum' node returns incorrect enum values User Description: The For Each loop and Byte To Enum function return weird things. The same outputs happen with the Byte To Enum, depending on wh ...

Decals spawn differently than 4.10.4 with their rotation based on hit normal

UE - Graphics Features - Apr 5, 2016

Decals are not spawning correctly when spawning based on a rotation value from the hit normal. There is a difference in how this is handled from 4.10.4 to 4.11 and even 4.12. See attached image fo ...

Slider component does not accurately update value if thumb image is large

UE - Editor - UI Systems - May 26, 2017

Slider component does not accurately update the value if thumb image is large in size. The issue is that when a value range on the slider is clicked the thumb should match the associated value; howe ...

RestrictedToClasses UCLASS Meta expects space delimiters but documentation shows comma delimiters

UE - Gameplay - Jul 19, 2019

The documentation: https://docs.unrealengine.com/en-US/Programming/UnrealArchitecture/Reference/Metadata/index.html shows the RestrictedToClasses meta syntax as being RestrictedToClasses="Class1, C ...

Setting Key Interpolation for a point on a curve to Auto behaves differently from UE4 and more like User Interpolation

UE - Anim - Runtime - Mar 17, 2022

Setting Key Interpolation for a point on a curve to Auto behaves differently than it did in UE4. The results are more akin to the User Interpolation with flat tangents. ...

Shadows remain visible for Procedural Foliage Instances that are culled out

UE - World Creation - Worldbuilding Tools - Foliage - Aug 20, 2016

Watching GIF displayed in test case, the shadows disappear with the meshes. ...

Tracks don't reset to default actor state when "Active" is disabled

UE - Anim - Sequencer - Jun 8, 2016

Tracks don't reset to default actor state when "Active" is disabled Tags: inactive Sequencer ...

Instanced meshes called in player character do not correctly register overlaps

UE - Gameplay - Dec 21, 2015

Instanced meshes called in player character do not correctly register overlaps with other actors. ...