InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights

UE - Platform - Mobile - Aug 22, 2019

This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...

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 ...

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 ...

Lightmap density view mode displaying zfighting when moving around in the viewport

UE - Graphics Features - Oct 10, 2022

assets within the FPS template are showing zfighting when in Lightmap density mode not reproduceable in 5.0  ...

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. ...

Stacked Material Nodes become difficult to read

UE - Rendering Architecture - Materials - May 13, 2015

Material Nodes, particularly Constant Vector 3s and Texture Samples, become difficult to read when users overlay them like stacked cards. [Image Removed] Also reproduced in Main Promotable-CL-2548 ...

Changing Physical Surface Name and Reassigning It From Default Value Crashes

UE - Simulation - Physics - Oct 18, 2016

Changing the name of a physical surface that has already been applied to a physical material will cause a crash, if you try to reapply the renamed physical material from default. The physical materi ...