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. ...

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 ...

Behavior tree Composite node tool tip

UE - AI - Apr 17, 2018

In prior versions to 4.19, the tooltips for all the composite nodes had documentation detailing their use. ...

'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 ...

Reflection result of clear coat bottom normal is not correct.

UE - Rendering Architecture - Materials - Dec 9, 2021

This problem tends to appear in the southern hemisphere of spherical objects. It is not reproduced in 4.19. ...

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. ...

[AI] Navigation System can be constructed in situations where the NavigationObjectRepository subsystem is not valid

UE - AI - Navigation - Feb 7, 2025

Investigate and fix all calls where the Navigation System is constructed without the NavigationObjectRepository subsystem being valid.  ...

Cook errors with landscape cross-level spline meshes

UE - LD & Modeling - Terrain - Landscape - Dec 18, 2015

Licensee is using a modified engine but has a workaround, we need to verify that the same doesn't happen in vanilla UE4 and fix if it does. ...

T_Wood_Pine_D Asset has Offset Alpha Channel

Docs - Samples - Sep 12, 2016

The alpha channel seems to be offset in the x and y by 1024 pixels this has been fixed and attached for analysis. ...

Some Niagara Fluid systems are not visible in a packaged project

UE - Niagara - Jun 7, 2022

Previously packaging caused a crash with this system. This was fixed, but now the system is no longer visible when packaged. ...