Unreal Engine Issues

Sequencer: Changing a data layer track to KeepState hits ensure(Aggregate) in animated state storage

Ensure condition fires as described in reproduction steps when using a Data Layer track in Sequencer with 'Keep State'. ...

Performance decreases with the number of morph targets

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

Duplicating functions doesn't reset the GUIDs of local variables.

This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...

Emissive map texture is not set to material when building Approximate Mesh from HLOD Outliner

Emissive textures seem to be set correctly in the case of building HLOD in the world partition. However, licensees who do not use World partition seem to build HLOD with HLOD Outliner. [Image Remov ...

ShouldOnlyTriggerLastActionInChord only works for one action bound to a chord instead of any number

WorldPartitionActorDescs for LevelInstanceActors are broken when migrating world partitioned level

WorldPartionActorDescs will be restored to the correct properties when resaved. They can also be fixed by the WorldPartitionResaveActorsBuilder commandlet. ...

After attach a component to a simulated component by socket miss collisions

If attaches a StaticMeshComponent with collision active to another actor with a SkeletalMeshComponent simulating physics by socket name the StaticMeshComponent miss collision for simulation. Chec ...

Chaos Vehicles - Wheel physics bounds staying in spawn location on server

Vehicle wheel shapes on the server appear to detach from the vehicle and remain at their spawn point when running a networked game. The clients physics representation is ok and as expected, i.e. whe ...

Enhanced Input duplicately fires input event when used in Widgets.

When creating a UserWidget and creating a process to receive input events with Enhanced Input, input events may be generated multiple times in duplicate. To reproduce this problem, create a Widget a ...

Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled

anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...