Exiting PIE after ejecting from pawn and opening a level sequence will crash the editor

UE - Editor - Oct 26, 2023

Editor crashes after ejecting from pawn and opening a sequence when ending PIE ...

Has Any User Focused Descendants returns true even if all children have been removed

UE - Editor - UI Systems - Apr 25, 2016

HasAnyUserFocusedDescendants returns true even when all children have been removed. ...

Retainer Box does not propagate Visibility settings to children

UE - Editor - UI Systems - UMG - Aug 22, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Retainer Box does not propagate Visibility settings to children. Setting Canvas visibility to 'Not Hit-Testable (Self & All Childre ...

Rearranging Slate Brushes causes crash

UE - Editor - UI Systems - Jul 14, 2019

Rearranging the order of a Slate Brush array causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7305105), 4.24 (CL - 7285696) ...

Virtual Memory Limit Listed in Logs

UE - Foundation - Core - Dec 9, 2014

Logs show virtual memory limit for Windows 64 bit: 8388608.00. This is erroneous information that can be removed or replaced with more immediately useful information. ...

Reimporting a static mesh with modified material LODs does not update the materials correctly

Tools - Mar 9, 2017

In Main the cube Section0 LOD material is replaced with the DefaultGrid material which is also not expected. This appears to be a regression from 4.15 based on the test execution history. ...

Images become blurry when placed in a retainer box that is clipping off screen

UE - Editor - UI Systems - Mar 27, 2017

Images become blurry when placed in a retainer box that is clipping off screen. Note: This can also cause scaling problems for widgets contained in the retainer box ...

Improve DOF on flickering nanite geometry

UE - Graphics Features - Feb 9, 2024

TLDR: need replace DOF's TAA pass with a TSR pass that support Circle of Confusion, and better wuality by having one of each for foreground, slight focus, and background  ...

Stale VSM pages after HLOD transition

UE - Rendering - Graphics Features - Shadows - May 23, 2024

Virtual Shadow Maps do not invalidate pages when HLODs replace meshes. This can lead to inconsistencies between the geometry and the shadows, which can cause artifacts as pages are invalidated. ...

If you add a cluster to another level to create HLOD and open a hierarchical outliner at the original level, the original level crashes.

UE - World Creation - Worldbuilding Tools - HLOD - Feb 28, 2018

Please check the attached file. https://udn.unrealengine.com/questions/417308/hlod-%E3%82%92%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%9F%E3%82%81%E3%81%AE%E5%88%A5%E3%83%AC%E3%83%98%E3%83%AB%E3% ...