Unreal Engine Issues

GAS: Async loaded GameplayCueNotify can execute cue events out of order

Licensee reported problem via UDN. Context GameplayCues ('cue') are events that can be fired by game code, that are identified via a GameplayTag. Cues can be instantaneous or can be a state on any ...

Montage Section Links Don't Update When Section Deleted

Hi there, I noticed that there is a problem with Montage Section links not updating when a section is deleted from a montage asset. We had a montage with a "Default" section and a "Loop" section. ...

IMC incorrectly retains the state of a modifier set in a lower priority mapping context.

Adding SmartObjectZoneAnnotationComponent to a blueprint actor causes a crash when building the package

If placing an actor with SmartObjectZoneAnnotationComponent added to blueprint actor in a level, it will crash when the level open. As a workaround, adding SmartObjectZoneAnnotationComponent to the ...

[Legacy][FBX] Animation curves are not added to the skeleton anymore

CableComponent particles spawn at origin when gameplay starts depending on component registration order

A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...

SetActorLabel() is slow on Landscapes

I've noticed calling SetActorLabel() on a Landscape will call PostEditPropertyChanged() which causes the Landscape Components to regenerate all collisions. As per the repro, this can take a long tim ...

VisualizeTexture with the BMP flag causes a crash when any mip over mip0 is requested

When a mip level higher than 0 is requested in VisualizeTexture, the engine will crash. The root cause appears to be VisualizeTexture.cpp:924, on which an incorrect mip level is used to read a non-m ...

The CompileAllBlueprintsCommandlet does not list the BPs contained in UWorlds

hThe use case of the licensee is that he used FindInBlueprints inside the Editor to find a particular text contained in BPs and later used that listing to recompile the BPs using the CompileAllBluep ...

Modifying the properties of a ChildActorComponent in a child blueprint can modify the parent actor ChildActorComponent properties.

When a property of a ChildActorComponent is modified in a child class, the parent ChildActorComponent class can also get modified. This happens when the Parent blueprint actor has a ChildActorCompo ...