Skeletal Mesh Cloth - Removing cloth collision sources doesn't remove the prerequisite, and the collision sources are not updated

UE - Runtime - Deformable - Mar 17, 2026

[Link Removed] See proposed fix from partner: [Image Removed] ...

Editor crash when an unsupported material domain or blend mode is selected when previewing a Nanite mesh in the material editor

UE - Rendering - Features - Nanite - Aug 27, 2026

Fix in UE6: 56133257 This Jira is for 5.8.3 tracking ...

Hierarchical instanced static mesh LOD is not consistent between eyes

UE - Platform - XR - Apr 7, 2017

User reports that the issue fixed for ODIN-6308 still occurs for InstancedStaticMeshes. ...

Editor crash when shader debugging enabled including r.shaders.optimize=0

UE - Rendering - Architecture - Shaders - Jun 23, 2024

The editor crashes when activating cvar options for shader compilation and debugging. ...

Nested inline UObject properties don't expand in Actor blueprint detail panel

UE - Gameplay - Components - May 9, 2016

Customer provides details, including a fix for the problem. See UDN post attached. ...

Category is not stored to Timeline Component

UE - Gameplay - Components - Jan 27, 2016

Category of Timeline Component is not stored. (Reproduced 4.11 Preview and 4.9 too.) ...

Folder Renaming is not Case Sensitive

UE - Editor - Content Pipeline - Content Browser - Mar 28, 2018

Renaming folders is not case-sensitive Previously fixed in 4.12, re-appeared ...

'recompileshaders changed' doesn't work

UE - Graphics Features - May 7, 2021

The issue is already fixed in UE5 by CL 14368553. This Jira is created for cherrypick into UE4 ...

ListView crashes when GlobalInvalidation is enabled.

UE - AI Workflows - UI Systems - Slate - Jan 11, 2022

Reverting to the fix in [Link Removed] Closed (CL#17788567) will avoid the crash. ...

Usd wrapper uses TCHAR_TO_ANSI conversions causing path issues with basic extended ASCII character set

UE - Editor - Content Pipeline - USD - Jun 12, 2024

It seems that a simple change from TCHAR_TO_ANSI to TCHAR_TO_UTF8 in UE::FUsdStage OpenStageImpl() fixes the issue. ...