View Distance sorting of Niagara sprites is incorrect when far from the origin

UE - Niagara - Jan 15, 2024

This problem seems to occur on both CPU and GPU Sims. ...

Crash on Assigning Material to Element 1 in Reimported Static Mesh

Tools - May 15, 2015

[Link Removed] When you reimport a Static Mesh with an Added Material ID associated with it and in the Static Mesh Editor assign a material, the engine crashes. Also reproduced in Main Promotable- ...

Blueprint needs to be compiled if another blueprint sharing an interface is compiled

UE - Gameplay - Blueprint - Aug 29, 2017

Blueprint needs to be compiled if another blueprint sharing an interface is compiled Regression: This does not happen in 4.16 ...

Hot reload iteration time regression.

UE - Foundation - Core - Oct 19, 2017

Hot reload iteration times have been crippled ever since CL# 3332960, which was a fix for [Link Removed]. ...

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  ...