Generated instances can not be cleaned up when PCGVolume is copied to a different level

UE - World Creation - Procedural Tools - May 19, 2025

Copying a PCGVolume beyond a level creates an instance that cannot be deleted. In UE5.5 or later, it is possible to delete the instance by pressing Cleanup button with Ctrl key (purge all components ...

Cannot manipulate morph targets unique to Slave Component through Master Component

OLD - Anim - Apr 1, 2016

Cannot manipulate morph targets that are unique to the Slave Component through the Master Component. So the situation here is that the Head(Master) does not have the "BeerBelly" morph target, but t ...

Stationary Lights are causing shadowing errors with Movable Objects

UE - Graphics Features - Feb 11, 2015

Stationary Lights are generating shadows with flickering black square and vanish shadows altogether on movable objects in the Preview of 4.7p6 and in the newest Release Branch of 4.7 (2439472). The ...

Get percentage for the progress bar in UMG does not reflect changes from a binding

UE - Editor - UI Systems - Jul 5, 2016

Get percentage for the progress bar in UMG does not reflect changes from a binding ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

UE - Networking - Nov 20, 2018

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

Socket Preview Mesh's Scale Changes While the Socket's Scale Does Not When the Mesh Editor is Reopened

Tools - Dec 22, 2017

When setting a preview mesh and a socket to a relative scale, the socket's scale is saved but the preview meshes scale changes. This occurs when the asset is saved < mesh editor closed out < mesh ed ...

Unable to Rename using the Right-Click Menu on El Capitan in Blueprints and Sources Panel

UE - Platform - Apple - Apr 4, 2016

Users are unable to rename a variable using the right-click menu within Blueprints, and the sources panel within the Content Browser. Regression? Yes. I tested the functionality of the right-click ...

When using simple HMD plugin on mobile the camera can get stuck at 45 -90 angle even though the device it back in it's original position

UE - Platform - XR - Jan 19, 2016

If the user uses the simple HMD plug in, then launches on to a device and then follow up by spinning the device a few time the camera will become offset at an odd angle (Reset orientation and positi ...

Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"

UE - Rendering Architecture - Materials - May 27, 2015

When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...

WindDirectionalSourceComponent needs functions like, 'SetSpeed'

UE - Graphics Features - Oct 22, 2015

Currently changing variables like Speed via BP/C++ has no affect. We need to add funcs like SetSpeed that also update the proxy. Would be nice to make the vars private as well. ...