Unreal Engine Issues

DebugScalarValues floors floats in certain circumstances, giving the incorrect value when a floating point error occurs

Duplicating a Blueprint with a function call node connected to a variable of the source Blueprint type results in a compile error in the duplicated asset.

If a Blueprint asset contains a function call node for which the referenced function context is set to 'self', if the "Target" pin is connected to a type that equates to the owning Blueprint asset ( ...

Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.

As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...

Using justification on an Editable Text Box delays one frame

The display implementation is in the level blueprint. [Image Removed] ...

CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level

in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed  so, CullDistanceVolume is not u ...

Merge actor issue with similar materials

Distance Field Shadows does not respect FSceneView::HiddenPrimitives

Basically, APlayerController::HiddenActors, which is propagated into FSceneView::HiddenPrimitives is not used to skip shadow casters in the DF shadow implementation. Because this does not use the g ...

Can't update thumbnail of Texture 2D Array asset when upate source texture resource.

Texture2DArray asset thumbnails are not reflected when the source file texture is changed. Once a Texture2DArray asset is opened and loaded, the thumbnail will follow any subsequent source file upda ...

Non-deterministic cook due to UModel::LightingGuid

The -DiffOnly cook mode shows that the LightingGuid seems to change every cook. In Lyra, there seems to be 48 such assets that change every cook due to this. ...

[AI] Navigation memory set in NavMeshMemory::ForAnyElementType::ResizeAllocation shows as Untagged in LLM instead of being under Navigation.

Licensee found that memory being allocated during a resize in NavMeshMemory is not being tagged within LLM as NavigationMemory but show in LLM as Untagged memory. They do not have a callstack showca ...