Creating BlueprintActor from EmptyActor produces an Actor with multiple DefaultSceneRoots

UE - Gameplay - Blueprint - Jan 24, 2020

This does not happen with UE4.22. Maybe related to CL#7462096 and CL#7476283. These are fixes for [Link Removed]. ...

UserDefinedEnum variables in UserDefinedStructs aren't properly updated when the enumerations are reordered.

UE - Gameplay - Feb 4, 2020

UserDefinedEnum variables in UserDefinedStructs aren't properly updated when the enumerations are reordered. FEnumEditorUtils::BroadcastChanges fixes up Blueprints but not UserDefinedStructs.  ...

TSlateMaterialShaderPSDefault cast error when opening Platform Stats in Lyra's M_UI_Base_BordersAndButtons Material

UE - Rendering - Architecture - Materials - Jun 16, 2022

Licensee has provided a potential fix, please see the UDN link. Callstack attached utilised -onethread ...

Load Error with DeferredDependencyLoading

UE - Gameplay - Blueprint Editor - Jun 19, 2022

If re-define the macro USE_CIRCULAR_DEPENDENCY_LOAD_DEFERRING to 0, the component is editable in detail panel. But I'm sure it's not a good fix. ...

Content browser asset import:If importing only one asset, make sure it selected in the content browser

UE - Editor - Content Pipeline - Import and Export - Sep 27, 2022

Selecting the just imported asset will speed up workflow. Fix should be done for legacy and interchange importer ...

FEnhancedActionKeyMapping struct has incorrect comparison results

UE - Gameplay - Input - Nov 11, 2022

The fix for this is to override the  FEnhancedActionKeyMapping::operator== to account for the deep copy that happens on modifiers instead of comparing addresses ...

ToString() from a StringTable entry now returns <MISSING STRING TABLE ENTRY>

UE - Editor - UI Systems - Localization - Apr 10, 2024

This is a regression from 5.3 that has been fixed in Main (32476819, for 5.5), but needs merging into 5.4. ...

Array inputs on event dispatcher cause a compiler note.

UE - Gameplay - Blueprint - Apr 13, 2017

Looks related to [Link Removed], but it appears that something was overlooked. Probably requires a similar fix for the delegate node. ...

TextBox widget renders differently when in a Retainer Box

UE - Editor - UI Systems - Apr 18, 2017

REGRESSION: Yes, does not occur in 4.15. When a TextBox is wrapped in a Retainer Box, it appears faded when rendered in the viewport. ...

Checkerboard pattern overlay in viewport of ContentExamples on Mac

UE - Graphics Features - May 2, 2017

There is a checkerboard pattern shown in the viewport of ContentExamples on Mac. This does not occur in //UE4/Release-4.15 on CL 3416026. ...