Add button in Override Materials property is not responding.

Add button in Override Materials property is not responding in Skeletal Mesh > Rendering section in detail panel. This is not responding from 4.15 and above. ...

Editor freezes when force deleting a level created with Conversion Suffix

UE - World Creation - Worldbuilding Tools - World Partition - Apr 20, 2021

Once force delete is initiated, editor was still non-responsive ~10 minutes later and had to be closed from Task Manager. Upon reopening the project, the level is still present in Content Browser an ...

Reimporting Meshes after renamed in Engine or Modeling Program break reimporting

UE - Editor - Content Pipeline - Import and Export - Aug 10, 2015

If you import multiple meshes from a single FBX file, then rename the asset in the Engine or in the Modeling Program, you will no longer be able to reimport asset until you complete overwrite import ...

The To Next button in the Animation timeline doesn't work consistently

OLD - Anim - Sep 19, 2016

In Persona, the To Next button in the timeline bar will randomly stop working if the user clicks it a few times. I could not reproduce this issue in UE4/Main. ...

[Submix][Content Browser] - Deleting an unsaved Submix asset (any type) causes them to reappear when creating a new asset

UE - Audio - Submixes - May 13, 2021

Deleting unsaved Submix assets causes them to reappear the next time you create a new asset. Issue does not occur in 4.26, but does occur in 4.27 and 5.0. ...

GarbageCollection - Ensure occurs when force deleting content that is still referenced in memory

Tools - May 15, 2017

While AdHoc testing in //UE4/Release-4.16 CL 3437809 in Binary – I found that deleting the projectBP folder of any Template project causes an ensure. I believe this issue is due a step in the garbag ...

Documentation button redirects to 404 error page in Match3

UE - Platform - Mobile - Aug 23, 2016

The documentation button does not redirect to the correct documentation page. Tested on iPhone6S_6240 OS: 9.3.4 ...

Oculus Touch Menu Button Input Not Received When Set In Action Mapping

UE - Platform - XR - Mar 9, 2020

The left menu button on Oculus Touch doesn't have it's input received when it is assigned to an action mapping. This looks like it stopped working after SteamVR was integrated into the engine. Foun ...

Widget retains reference for widgets that have been replaced and deleted

UE - Editor - UI Systems - Mar 29, 2018

Widget references remain even after the referenced widgets have been deleted. This happens if the widget was replaced with another user created widget. ...

Renaming a folder that contains a read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync

Tools - Jan 17, 2019

Renaming a folder that contains a Read-only asset from the Sources Panel causes the Content Browser and Sources Panel to desync. This causes the original folder (which should still exist since the E ...