Unreal Engine Issues

UMG Animation MPC track cannot preview

The reason should be in FMaterialShader::GetParameterCollectionBuffer , Scene is nullptr and cached value GDefaultMaterialParameterCollectionInstances ** doesn't update. ...

Console Variables Editor plugin disables some CVars in Slate

The following console commands do not work when the ConsoleVariablesEditor plugin is enabled.Slate.GameLayer.ViewportSlotVisibleSlate.GameLayer.DebugCanvasVisibleSlate.GameLayer.PlayerCanvasVisibleS ...

Chaos Clothing CreateClothActor takes a long time with LODs and Self-Collision

Spawning an actor with Chaos cloth causes a hitch when LODs or Self-Collision are enabled on the cloth. LODs and Self-Collision seem to compound the issue. Self-Collision requires a collision simul ...

[AI] Updating an HISM instance transform breaks the navmesh on all of the HISM instances.

Navmesh does not generate correctly around HISM instances when one instance has its transform updated. The most noticeable change is that adjusting the scale of an instance's transform will cause th ...

Opening a Niagara asset that references a disabled plugin (Chaos Niagara) can crash the editor

Opening a module with references to a disabled plugin can crash the editor.  ...

Fixing Issue in Niagara stack across particle and system stages crashes the editor.

The Update Persistent Audio module has a dependency on a Play Persistent Audio module. When there are two modules in different overview nodes, the automatic fix up can put the Play Persistent Audio ...

Material is not replaced by default material after .udatasmith file reimport.

UnregisterAsyncPhysicsTickActor not being called when actors end play via UWorld::RemoveFromWorld

Changes in Inner functions not reflecting in the execution

Depth of field rendering artifacts - flickering and masking

Flickering and large flashes can be seen on reflective objects that are out of focus with DOF enabled. DumpGPU shows that artifacts are visible in TSR . ...