Unreal Engine Issues

Runtime Virtual Texture samples at low precision for very large volumes

When using a runtime virtual texture with a resolution of greater than 2^24 we can start to see a lack of precision in sampling when the sampling UVs get closer to 1. To see this we need to be usin ...

When using OpenLevel to transition to a level with WorldPartition enabled during PIE, the log outputs "Failed to load '/Game/MapName': Can't find file."

Outputs warning logs when transitioning to the World Partition level with OpenLevel. This only occurs in PIE, not in Standalone or Package builds. In PIE, it appears that the package failed to load ...

Only the first image of multi-source SVT can be exported.

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...

VRS doesn't respect the AdditionalShadingRatesSupported flag

D3D12 needs to check the flag D3D12_FEATURE_DATA_D3D12_OPTIONS6::AdditionalShadingRatesSupported and filter out VRS modes that aren't supported. This flag should be put into something like "GRHISupp ...

Foliage is not partially loaded after InstancedFoliageGridSize is changed by WorldPartitionFoliageBuilder commandlet

Changing the InstancedFoliageGridSize by the WorldPartitionFoliageBuilder commandlet will cause some of the foliage to not load correctly. ...

Saving Widget Blueprints directly can put them in a bad state.

The fixup code for repairing Widget bindings in UE5 assumes that a compile occurs first. However, saving the asset does not cause a compilation to occur. When we reload the asset and open it in the ...

Landscape smooth and flatten tools deform the terrain incorrectly

The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...

Build failed executing script TagsAndFiles.xml.

"Trigger" element has been removed from the BuildGraph, causing an error when running TagsAndFiles.xml. This problem was added in 5.0 and does not occur in UE4.X. ...

Spline point manipulation broken when spline component is selected

Spline point manipulation does not work properly when the spline component is selected. Although the widget appears on a spline point, applying a translation results in the entire spline component b ...