Unreal Engine Issues

Unable to edit double variable in property matrix

Since UE5.0, cannot edit double variables in property matrix. In UE4.27, it worked correctly and could be edited from the property matrix. This is because double variables are not supported in SProp ...

Collision between physicalized actors and instanced static meshes produce warnings.

Collision between an instanced static mesh and a physics simulating actor (with "simulation generates hits events" enabled) results in the following warning: LogChaos: Warning: Collision handler en ...

Denoting a custom data source root for import/export pipeline is not hooked into file path resolution for driving other parts of the UI

Crashes occur when creating a static texture from a non-HDR Cube Render Target in DirectX12

While working with DirectX 12 in the project settings, the editor crashes by check() code when attempting to create a static texture from a non-HDR Cube Render Target asset. This crash doesn't occur ...

The Blueprint compiler is not consistent with UHT when generating DefaultToInstanced variables

UnrealHeaderTool and the Blueprint compiler generate inconsistent metadata for object reference variables whose underlying class type includes 'DefaultToInstanced' metadata. UnrealHeaderTool-genera ...

Blueprint "Set by ref" (UK2Node_VariableSetRef) does not mark properties dirty for push replication

When using Push Replication with blueprints, UK2Node_VariableSetRef nodes do not mark a property as dirty and so the variable is not replicated. ...

Volumetric lightmap + stationary light has missing shadows

Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...

UAssetImportTask::bReplaceExisting is not supported with interchange

Add this code to a function you call from a blue utility widget or any other way to start the import with this code.TArray<UAssetImportTask*> ImportTasks; for (int32 i = 0; i < cFC.Files.Num(); i++) ...

Perforce: Deleting and Restoring an Asset doesn't Update Perforce

When you delete and replace an asset with the same name, P4 will pick up the delete but not the add. It was mentioned that there is a P4 command (something like "reopen as add") that should be used ...

EnhancedInput Chorded Actions do not work on higher priority mappings

Reported from Prismatic: It appears that the Add Mapping Context function currently prioritizes low numbers over high numbers, which seems inconsistent with the function description and some parts ...