Unreal Engine Issues

Groom bound to GeometryCache is unstable

This issue seems to occur only in 4.27 with DX12. Did not repro in 4.27 with -dx11, nor in UE5 DX11/DX12. ...

Refraction broken when using material function

Licensee has provided a BP workaround ...

DefaultEditor.ini dirtied when UpdateSingleSectionOfConfigFile is called for an object containing an array property

Closing an AdvancedPreviewScene results in a call to UAssetViewerSettings::Save to save the preview scene settings, regardless of whether or not anything has been modified. This in turn calls Update ...

Crash when adding a streaming level to the world through Python

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...

[Submix][Recording] - Existing Sound Wave to Overwrite option has no effect

This is an old bug that looks like it never made its way into JIRA. Adding for documentation.  ...

Using PC_Enum instead of PC_Byte with CreatePin results in incorrect pin

This is a bug that can make it confusing for users (and internal devs) to make custom nodes related to enums.  This is occuring because the PC_Enum type was added after the original PC_Byte but  ...

Ray tracing in sequencer causing AO ghosting

Child blueprint classes do not inherit "ClassGroup" from their native parents

When creating a blueprint component based off of a custom native class that utilizes the ClassGroup metadata  ...

"If" node in materials causing striped artefacts when passing "Material Attributes"

DistanceToNearestSurface used for post process broken when separate actor culled

This one may not necessarily be a bug, as this is related to the nature of culling. If it is not, please let me know if there is an alternative method the licensee could use here in order to track a ...