Unreal Engine Issues

LOD dithered fade-out transition does not work since UE5.4

When DitheredLODTransition is enabled for HierarchicalInstancedStaticMesh, in the previous version (5.1.1), dithering was applied during fade-in/fade-out, but in 5.4.3, dithering is not applied duri ...

Material base color is lighter on Nanite meshes when using 16-bit GBuffer

The base color is brighter on Nanite meshes than non-Nanite meshes when GBuffer Format is set to "Force 16-bits per channel" (r.GBufferFormat 5) even though the meshes are using the same material. ...

Streaming level is not visible when WorldPartitionRuntimeHashSet level is preloading and transitioning with package game.

In levels where "WorldPartitionRuntimeHashSet" is specified as the runtime hash class, the world partition may not be correctly visible only in the package. This issue is reproduced only in packaged ...

r.VolumetricRenderTarget.PreferAsyncCompute producing different visuals

When the cvar "r.VolumetricRenderTarget.PreferAsyncCompute" is enabled, it will cause Volumetric Clouds to ignore the influence of Volumetric Fog. In high-fog environments, this can cause the clouds ...

Crash in UAssetToolsImpl::CreateAssetWithDialog where the UFactory::GetSupportedClass() is deferenced without check if its null.

Oodle CompressionLevelNameMap is missing an entry for Optimal5, leading to a crash in the texture editor

Due to a missing string in CompressionLevelNameMap in OodleDataCompression.cpp, it is possible for LevelName to be left uninitialised after parsing the compression effort, which causes a crash when ...

Interchange: Static analysis fix for interchange manager

Interchange: Dialog import preview pipeline is missing the import context

We need to call TransferAdjustSettings on the duplicated pipelines to execute the preview import. ...

Level Sequence Actor- bTickWhenPaused is unsettable from the details view

See UDN here: https://udn.unrealengine.com/0D5QP00000TtFaV0AV?fromCase=1 The issue is that in FMovieSceneSequencePlaybackSettings, the TickInterval struct is marked with an EditCondition to only be ...

Sequencer: Undoing creation of a new section can call section drawing code with viewmodel tree in invalid state

The Section reference in ISequencerSection::GetSectionHeight can be in the process of garbage collection during an undo of a section addition- this causes things like GetTypedOuter<UMovieSceneTrack> ...