Unreal Engine Issues

Displacement + TAA causes "vibrating"/"buzzing" artifacts

There is a buzzing artifact on shadows that is seen in the provided test project. The problem seems to be far more subtle when VSM is turned off. Licensee mentions that turning r.Velocity.ForceOutpu ...

"Assertion failed: CellIndex < CellIndexMax" when there are a lot of HISM foliage in a level

Users have come across an issue in 5.4 that causes an assert when many foliage or HISM objects are placed in a level due to a cell size limit. ...

bStaticWhenNotMoveable in Lighting category instead of Physics

"UPrimitiveComponent::bStaticWhenNotMoveable"'s category is set to Lighting, not Physics. This causes it to be hidden when lighting-related properties are hidden, even though it controls physics sta ...

Soft Reference to redirector object (or ghost redirector)

This seems be solved if asset is modify and saved again (Show in the video resource below ) [Link Removed] UDN Thread: https://udn.unrealengine.com/s/case/5004z00001nzoC9AAI/soft-reference-to-r ...

In the Anim Sequence Editor set a Notify's MontageTickType to be fixed to BranchingPoint if that Notify is a Native Branching Point

To avoid confusing users when working with a Native Branching Point Notify set its MontageTickType to be fixed to BranchingPoint.  ...

Incorrect error icon on stationary lights in a sublevel when the sublevel is first added

When you add a level with stationary lights to another level as a sublevel they will show a first error icon on the lights. Once you close the project or refresh the level this icon is shown as nor ...

In UE 5.4, some config variables are not getting saved correctly, due to the new User/Editor rules.

A lot of properties are not getting saved correctly to custom configuration files. This looks like that it can be cause by the FConfigContext::PerformLoad function. New conditionals have been added ...

The tooltip of a UPROPERTY enum is not refreshing in UDetailsView

There is an issue with UPROPERTY enums where the tooltip does not update as expected. When the DetailViewWidget is refreshed, the tooltips appear correctly. For example, ToggleShowingOnlyAllowedPro ...

Point light missing issue on PowerVR GE8xxx when GPUScene is enabled

On PowerVR GE8xxx devices (e.g., GE8320), running with GPUScene enabled on the OpenGL ES path, point/local Lights render nothing or significantly weak result. Withouy GPUScene(UniformView/UBO path), ...

Duplicate the mesh will not duplicate the foliage on it.