EDL in 4.15 may not be fully safe and should be disabled by default

UE - Foundation - Core - UObject - Apr 4, 2017

EDL may have some issues that are very hard to reproduce that's why we should disable it by default in 4.15.2. We will re-enable it in 4.16 ...

Ensure condition failed: !TagRedirects.Contains(OldTagName) Renaming Gameplay Tag twice

UE - Gameplay - Jul 6, 2017

It appears the ensure only happens once. Cannot get the ensure to happen once Project Settings is closed. This also occurs in 4.16.2 so it is not a regression ...

Editor is missing the Quick Feedback Message Bubble

Tools - Jul 12, 2017

The quick feedback message bubble is missing from the editor. It is also missing in asset editors as well This is a regression from 4.16.2 ...

[CrashReport] Crash on Mac - UE4Editor-IOSTargetPlatform.dylib!FIOSDeviceHelper::DoDeviceConnect()

UE - Platform - Mobile - Jul 20, 2017

This is a common crash affecting Mac users on 4.16, it has occurred since at least 4.14. Users have not provided any descriptions. ...

Debug Console output remains on screen after closing VR Preview if "Debug in stereo layer' is enabled

UE - Platform - XR - Jan 23, 2018

Affects VR Preview in Editor Reproduced in 4.18.3 CL 3832480 and 4.19 P1 CL 3837072 ...

Inconsistent memory usage bump when using SceneCaptureComponent2D on iPadAir2

UE - Platform - Mobile - May 18, 2020

I do not have access to an iPad Air 2 so it is impossible for me to reproduce, but it seems that when using SeneCaptureComponent2D on the device, memory usage will increase drastically. ...

Crash occurs while animating a control rigged actor in sequencer when drag selecting the actor in a orthographic view

UE - Anim - Sequencer - Dec 8, 2021

This is a regression Tested in 4.27.2 Drag selecting a control rigged actor while in an orthographic view causes the editor to crash. ...

Crash occurs when opening FP_Walk_Fwd in the First Person Template

UE - Anim - Runtime - Sep 12, 2023

This is a regression. Tested in //UE5/Release-5.2 CL26001984 Opening the FP_Walk_Fwd animation in the first person template results in an assertion. ...

ScrollBox: Add Inertial Scrolling (Touch)

UE - Editor - UI Systems - Oct 16, 2015

Verify that inertial scrolling works in the ScrollBox and the ListView on touch devices. We have reports that it isn't working in 4.9, it may have been fixed since then, or not be as smooth as it c ...

Adding elements to an array variable within a struct minimizes defaults category for the array.

UE - Gameplay - Blueprint - Jun 23, 2016

Adding elements to an array variable within a struct minimizes defaults category for the array. Regression (no) issue (does) occur in 4.11.2 ...