Unreal Engine Issues
Unreal Engine Issues
Actor instance FComponentReference to other actor instance gets nulled on other actor recompile
UE - Gameplay - Blueprint Compiler - May 21, 2024An editable FComponentReference property on an actor instance can be used to reference another actor's component in the scene. In 4.27 and earlier versions these references were retained when the ot ...
Guid reference warnings when using the Take Recorde
UE - Anim - Sequencer - Take Recorder - May 14, 2024When we record a Take from a level actor, a warning about referencing the same Guid inside LazyObjectPtr.h appears. The functionality of the LevelSequence works as expeced, but when the initial tak ...
Performing seamless server travel while a Legacy Camera Shake with an Anim Sequence set is ongoing will cause a crash
UE - Anim - Sequencer - Mar 14, 2024When we server travel with seamless travel enabled, and a legacy camera shake with an anim sequence set is currently ongoing, we will get a crash due to the UMovieSceneEntitySystemLinker failing a c ...
On NM_Client, GameplayDebugger defaults to green smiley for NPCs implying running BehaviorTree while AI info is unknown
UE - AI - Debugging - Mar 12, 2024Context GameplayDebugger (Press ` in-game) displays a green smiley (AICON-Green) for AIControlled pawns that are running a BehaviorTree and a red angry face (AICON-Red) otherwise. If the AIControll ...
[AI] Navmesh edge missing for polygon in tile
UE - AI - Navigation - Mar 11, 2024User is reporting a bug where there are cases that a polygon in a navmesh tile will not generate an edge. This seems to be where only part of the polygon side would be part of the edge, but the rest ...
Blueprints break when implementing a duplicated BP interface along with the original
UE - Gameplay - Blueprint - Mar 1, 2024When duplicating a blueprint interface, the GraphGuids of the original BP interface's function graphs are unchanged: function graphs across the two BP interfaces now have the same GraphGuid. This is ...
Blueprint "Diff Against Depot": Restoring an instanced object results in reference to the object in the temporary diff asset
UE - Gameplay - Blueprint - Feb 19, 2024When diffing a blueprint against depot via the Content Browser context menu action "Revision Control > Diff Against Depot", restoring an instanced object property from the depot version results in t ...
MoviePlayer loading screen with FLoadingScreenAttributes::bAllowEngineTick results in high DeltaSeconds tick post-playback
UE - Gameplay - Feb 16, 2024IGameMoviePlayer playback of a movie during loading screen lets you set bAllowEngineTick = true as a parameter. This will make FDefaultGameMoviePlayer manually tick the engine: if (GEngine && bAll ...
UNetDriver server-side hitch results in ActorInfo->NextUpdateTime far into future
UE - Networking - Feb 16, 2024A high UWorld::Tick DeltaSeconds (i.e. GameThread hitch) results in a high UNetDriver::TickFlush DeltaSeconds. This DeltaSeconds can high (many seconds) if the hitch is long. This value then affects ...
USplineComponent::GetSplinePointAt() returns FSplinePoint with incorrect Type
UE - Gameplay - Components - Feb 15, 2024USplineComponent::GetSplinePointAt() returns an FSplinePoint with the ESplinePointType 'CurveCustomTangent' rather than the type from the setup.Expected: It should return the correct type. ...