Unreal Engine Issues
Unreal Engine Issues
Startup Movies Black Screen in Packaged Projects
Tools - Jun 25, 2018Startup movies displaying black screen in packaged projects. Tested with 4.20p3 4135216 and 4.21 4157973 ...
If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible
UE - Virtual Production - Tools - Jul 31, 2025If any light source is deleted, and a single light has its visibility state changed in LightMixer, all the other lights in the scene that were invisible turn visible. The behavior only shows after d ...
[CrashReport] UE4Editor_GitSourceControl!FGitCheckInWorker::Execute() [gitsourcecontroloperations.cpp:100]
Tools - Mar 16, 2018User 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, 2017Packaged 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 ...
Mouse dragging cursor accelerates significantly on Mac
Tools - Jan 18, 2017This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...
Set tracking origin has a 90 degree offset between Floor and Eye level
UE - Platform - XR - Jun 15, 2017Set tracking origin has a 90 degree offset between Floor and Eye level. When switching the Setting for the Set Tracking Origin Node from Floor level to Eye level, there appears to be a 90 degree dif ...
In the Editor details panel for a float, When entering a decimal of 18 numbers results in incorrect truncation.
Tools - Dec 24, 2018In Editor details panels for a float value, when entering a decimal of 18 numbers results in incorrect truncation. ...
Changing a variable during simulate will cause physics object to jump around
UE - Simulation - Physics - Mar 16, 2016If a user has an actor that is simulating physics during simulation of play in the editor and they then change the value of a variable trough the details panel below the world outliner then the acto ...
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, 2015A 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 ...
Set user focus for player 0 will cause other local players to lose input
UE - Gameplay - Input - Feb 28, 2019When the player at index 0 sets its user focus it will cause other players to lose input. This does not occur when setting the user focus of players with an index higher than 0. ...