Set Morph Target not being sent to children of Inherited Mesh

OLD - Anim - Sep 4, 2015

In previous versions of UE4, Set Morph target to call the Inherited Mesh and would result in any children of the Inherited Mesh that shared that morph target name to morph. In UE4.9 this no longer ...

Lumen generates gradated shading even if the light is a constant color sky light

UE - Graphics Features - Lumen - Jul 22, 2022

Lumen generates a gradated shading even if objects are lit by a 360-degree constant sky light.[Link Removed][Link Removed] I looked into this and found that this comes from Spherical Harmonics int ...

Renaming a level by WorldPartitionRenameDuplicateBuilder fails if the level contains GroupActor with non-spatial actors

UE - World Creation - Worldbuilding Tools - World Partition - Oct 24, 2023

Referece to the source level should be fixed by FReplaceObjectRefsArchive, but it is not working because ArIsModifyingWeakAndStrongReferences is not set. It can be fixed by setting the flag.class FR ...

Physics Constraint angular visualization are missing in 4.11

UE - Simulation - Physics - Apr 14, 2016

Physics Constraint angular visualization are missing in 4.11 This is a regression User Description: Since 4.11 angular constraints of the physics constant are not shown in the viewport. In 4.10 ...

Unsuccessful WP conversion when map has scripted sublevels

UE - World Creation - Worldbuilding Tools - World Partition - May 24, 2022

Typos in Array.h

UE - Foundation - Core - Dec 28, 2015

In Array.h, there are a few typos in comments. In 4.9.2 and 4.10, the typos occur at line 2335 and 2359. *@param InIntem Item to be added. In Main, the typos are located at lines 2471 and 2495. ...

Attached Project Crashes When Attempting to Open Struct

UE - Gameplay - Blueprint - Apr 4, 2016

The attached project crashes whenever one of the structs is being opened. This does not occur in 4.10.4, this is a regression. Found in 4.11 Binary, reproduced in Main CL 2930737. User informati ...

Renaming native struct with redirect can break user defined structs

UE - Gameplay - Blueprint - Jul 18, 2018

From https://udn.unrealengine.com/questions/444690/redirecting-ustruct-used-as-member-of-userdefineds.html In 4.20 it was changed so soft object ptrs pointing to classes work correclty with +ClassR ...

Selecting multiple actors with differing DataTableHandles causes data loss

UE - Gameplay - Jan 4, 2021

The data table customization (and probably others) tries to aggressively clear out row references that are not valid in the table they point to. This breaks when selecting multiple actors or objects ...

Pressed event triggered after calling FlushPressedKeys while holding the button

UE - Gameplay - Input - Oct 2, 2024

This is an issue related to the behavior of the FlushPressedKeys function when called manually while a button is held. Once the function is called in C++, a Pressed event gets triggered even though ...