Unreal Engine Issues

Volumetric Cloud + Sun ghosting artefacts around a static cube

Video of the issue here - [Link Removed] 4.27 and 5.0 seem to display slightly different outcomes. In 5.0 the sun only appears very close to the cube, whereas in 4.27 is can appear a bit further ou ...

USplineComponent::GetInputKeyAtDistanceAlongSpline() returns incorrect value

USplineComponent::GetInputKeyAtDistanceAlongSpline() returns time (based on the spline's duration) at the distance rather than the input key. This method should be deprecated since current implement ...

MoviePipeline: Cannot add per-shot {file_format} name overrides

void UMoviePipelineBlueprintLibrary::ResolveFilenameFormatArguments(const FString& InFormatString, const FMoviePipelineFilenameResolveParams& InParams, FString& OutFinalPath, FMoviePipelineFormatArg ...

When rendering a distant view, GI and reflections disappear after a certain distance.

A similar problem can be seen with Virtual Shadow Map. It switches to a distinct shadow after a certain distance. ...

User INI settings should be able to load/save to/from iCloud on tvOS and optionally iOS.

UGameUserSettings just uses the ini file system and GameUserSettings to save/load user settings. on tvOS these files are not truly persistent and we should support loading GameUserSettings from iClo ...

Using High Resolution Screenshot while the viewport is in Full Screen causes massive performance issues after the screenshot is successfully taken until the Editor is restarted

This is a regression. Maybe Binary only if it hasn't already been fixed. Tested in:StreamCLTypeResults//UE5/Main18386535PerforcePerformance is normal after screenshot//UE5/Main18218925Perforce Per ...

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

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

Volumetric Clouds appear in front of foreground objects in the Right Eye of VR Headsets

It seems that volumetric clouds in the background appear in front of objects in the foreground in the right eye of a VR headset. I also tested in //UE4/Release-4.26 @ CL 15973114 and the results wer ...

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. ...