Unreal Engine Issues

Templated enum GetValueAsString function returns incorrectly formatted string

For many years there has been a static function on UEnum called GetValueAsString which would convert an enum like EAttachmentRule::KeepWorld to the string "KeepWorld", if you passed in the explicit ...

Crash in AWorldDataLayers::InitializeDataLayerRuntimeStates() when quickly unloading then loading a sub-world partition

From licensee: Since we integrated 5.5, we are experiencing a crash in AWorldDataLayers::InitializeDataLayerRuntimeStates() on this line check(ActiveDataLayerNames.IsEmpty() && LoadedDataLayerN ...

Expanding and altering a macro affects other macros in use.

Using the Expand node feature on a macro from a macro library alters the current functionality of other instances of the macros that are in use(even though the macros themselves have not changed). ...

Nativizing a blueprint interface using TMap/TSet causes Fatal error in UHT

FPropertyBase constructor does not handle a TMap/TSet property. Following workaround can avoid this error. explicit FPropertyBase(FProperty* Property) : PropertyExportFlags(PROPEXPORT_Public) ...

Packed level actors and Level instances are sometimes not included in HLOD build on a World Partition Level

Context World Partition - Hierarchical Level of Detail (HLOD) system uses custom HLOD Layers to organize large amounts of Static Mesh Actors and generate a single proxy mesh and Material. Problem T ...

StateTree : Crash when executing GetPropertyRef in SubTree linked via Linked Asset

A crash occurs when GetPropertyRef node is executed from a SubTree that is linked within a StateTree, which itself has been linked from a parent StateTree via a Linked Asset ** . The processing con ...

Disabling all AnimBP assets for nativization causes an EDL circular load check on QAGame launch for the QA-Animation map.

Encountered while attempting to disable all AnimBP assets for nativization as a workaround for [Link Removed]. ...

When editing a Niagara module an error can occur if using non-module functions, even with a correctly set usage bitmask

When editing the module the call to FHlslNiagaraTranslator::HandleDataInterfaceCall has the usage "Module", so it treads the module as if that was its stack context, even though the module's usage b ...

Unable to Use Console Command with bShowLaunchImage=False

Disable button style is not applied when a button is disabled

If the user applies a material or texture to the disabled button style option the button will not used the material/texture that was used but will instead use the default grayed out button look. E ...