Unreal Engine Issues

The brightness of a reflection capture can't be changed at runtime on mobile

MoviePipeline: Python Editor example can double-up objects in-scene

See the UDN for sample project. This is caused by the Editor Python sample not using the UMoviePipelineQueueSubsystem, which (when rendering) blocks the Sequencer from auto-binding to PIE. The fix ...

The customstencil doesn't work properly for separate translucency with r.SeparateTranslucencyScreenPercentage

Custom Primitive Data types do not work with Procedural Meshes even though the option exists in their Details Panel

This is a not a regression. Tested in UE5(Binary), UE4(Binary), and UE5 Main(P4). Procedural Meshes have the option for CPDs listed in their details panel under Rendering > Advanced >Custom Primit ...

LandscapeVisibilityMask with an RVT Landscape seems to produce a black spot instead of a hole if Dbuffer Decals are turned off

This issue does not occur if Dbuffer Decals are activated for the project. ...

Warning Failed to find object 'Class None.NewBlueprint' appears on any selection ChildActor Component in BlueprintEditor

Summary: The following warning appears on each selection of any ChildActorComponent inside Blueprint Editor:LogUObjectGlobals: Warning: Failed to find object 'Class None.NewBlueprint1' (where NewBl ...

Using a fixed frame rate will cause you to leave the loop section of Montage.

This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...

On Hit Events are inconsistent/inaccurate when using Substepping most notably at lower frames per a second

This is a regression Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary Under the same conditions in UE4 the On Hit events fire accurately and as expect ...

Replicated Struct with TMap property cannot compile even with custom NetSerialize

While TMaps are not supported for replication, previously one workaround for this was to wrap the TMap property in a container struct. Users could then implement a custom NetSerialize function for t ...

GetStaticMeshViewport() is called without checking if it returns a valid viewport causing the Editor to crash

This is not a regression. Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary //UE5/Release-5.0 CL18407655 Personal P4 When opening a static mesh without ...