Audio/Video out of sync after seek

Media Framework - Jan 29, 2018

There is an issue that sometimes occurs when using the seek option in the media player while the Decoder is set to WMF. When this happens the audio desyncs from the video and for the rest of the vid ...

Startup Movies Black Screen in Packaged Projects

Tools - Jun 25, 2018

Startup movies displaying black screen in packaged projects. Tested with 4.20p3 4135216 and 4.21 4157973 ...

Cull Distance Volumes Affecting Actors After Being Deleted

UE - Graphics Features - Oct 7, 2019

Cull Distance Volumes Affecting Actors After Being Deleted. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 9428115 ...

Static Mesh Component Scale Displays Incorrect Values on Static Meshes as Scene Roots

UE - Gameplay - Blueprint - Mar 8, 2016

Static mesh components incorrectly display scale information through the Detail's Pane and Blueprint editor window until simulation is pressed. This occurs if the static mesh component is moved to t ...

[CrashReport] UE4Editor_GitSourceControl!FGitCheckInWorker::Execute() [gitsourcecontroloperations.cpp:100]

Tools - Mar 16, 2018

User comments look like its an issue with committing to GIT in editor:Commiting to git.Commiting to git caused crash ...

GearVR projects rendering black

UE - Platform - XR - Jan 16, 2017

Packaged GearVR projects are rendering black except for the Movement Widgets. This was reproduced with two machines on two separate devices. This is a regression from CL 3244548 ...

Refraction broken when using material function

UE - Graphics Features - Aug 10, 2021

Licensee has provided a BP workaround ...

ScreenshotCapturedDelegate is never called in HDR

UE - Platform - Console - Nov 21, 2025

In UGameViewportClient::ProcessScreenShots, when bHdrEnabled is true, the Bitmap array is never filled (the capture code uses BitmapHDR), so ScreenshotCapturedDelegate is never called for any custom ...

In the Editor details panel for a float, When entering a decimal of 18 numbers results in incorrect truncation.

Tools - Dec 24, 2018

In Editor details panels for a float value, when entering a decimal of 18 numbers results in incorrect truncation. ...

A Behavior Tree reference to a Blackboard Key will become invalid when the name of the Key is changed in the Blackboard

UE - AI - Oct 5, 2015

A Behavior Tree reference to a Blackboard Key will become invalid when the name of the Key is changed in the Blackboard. Clicking on the Behavior Tree node that references the key will update the ke ...