Unreal Engine Issues
Unreal Engine Issues
LIVE: Variables of type UserDefinedStruct that are not compiled when a project is closed will not be visible when the project is reopened
UE - Gameplay - Blueprint - Nov 18, 2014If a variable of type UserDefinedStruct is created in a Blueprint and the project is closed before the Blueprint is compiled, upon reopening the project that variable will not be visible in the My B ...
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 ...
Altering interface outputs/inputs causes compile errors on blueprints calling interface
UE - Gameplay - Blueprint - Sep 4, 2015If an interface is called in a blueprint and then altered, the blueprint will receive a compile error until the interface is removed and re-implemented. ...
UMG Textblock with no font drops FPS by ~30
UE - Editor - UI Systems - Feb 21, 2015FPS drops in PIE when a widget is called that has text with no font selected. ...
Undo Delete Subcomponent/Child Actor of Blueprint while Playing Causes Crash
UE - Gameplay - Blueprint - Mar 12, 2015The title pretty much explains it all. When creating a blueprint and using a subcomponent or child within that blueprint, deleting the child actor, and then undoing while in play, causes crash. ...
Pawn Sensing Component is not registering sound data within hearing radius
UE - AI - Oct 30, 2014While using a pawn sensing component in an actor, the actor will not respond to sound data that is within the radius of its hearing threshhold/LOS hearing threshold. Additional notes: This was a ...
OnComponentEndOverlap and GetOverlappingActors are not in sync
UE - Gameplay - Dec 23, 2014GetOverlappingActors will return a value when used immediately after OnComponentEndOverlap. Putting a delay after the OnComponentEndOverlap call will result in GetOverlappingActors to return null, s ...
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. ...
Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event
UE - Editor - UI Systems - Slate - Mar 20, 2019When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...
Playing audio files in Editor doesn't work when Magic Leap Zero Iteration is enabled
UE - Platform - XR - Jun 14, 2020When the "Enable Zero Iteration" and "Use ML Audio for Zero Iteration" settings are both checked, the audio doesn't play inside Unreal Editor. This happens in the following cases:Playing an audio fi ...