Unreal Engine Issues

IsMainWorldOnly does not work with standalone level instances

An actor in a standalone level instance will still be loaded in the main WP level regardless of having IsMainWorldOnly enabled. ...

Message to rebuild lights does not display after static mesh position has changed

In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...

Improve extra state debug box when net debug drawing

With net debug drawing enabled, an extra debug box is drawn around some actors to indicate if the actor is always relevant or if it is distance culled. However, the strange size of this box makes ne ...

Material Layering sometimes increses Shader complexity significently

Niagara Fluids Plugin creates a memory reference of any saved level by only being active, before being actually used.

While Niagara Fluids Plugin is active it creates a memory reference of any saved level regardless of being actually used. Simply enabling the plugin shows a memory reference while deleting the level ...

Confirmation Dialog common UI in the Lyra Starter Game loses focus for gamepads after closing.

When changing the language options in the default Lyra Starter Game project (5.3 and 5.4) with a controller, the settings menu loses focus after closing the confirmation dialog. Focus can only then ...

Default Data Wire Thickness in the Editor Preferences only affects Single Value data wires. Containers (Array, Set, Map) line thickness are wrongly tied to Default Execution Wire Thickness.

Changing the "Editor Preferences > Content Editors > Graph Editors > Tracing > Default Data Wire Thickness" value in the "Editor Preferences" only affects single value data wires. Containers (Array, ...

Textures referenced by parent material are still loaded even if material instance overrides them

Currently when we load a Material Instance that overrides some texture parameter of its parent, we also load all the overridden textures of the parent. This is quite wasteful, as those textures wil ...

Ensure when using ellipsis overflow method with very small Slate text boxes

The Ellipsis overflow method on text widgets can cause an ensure to trip as a result of a render batch being sent with no indices. We could guard against this in SlateRHIRenderingPolicy by checking ...

Editor numeric input fields don't support double precision numbers.

Even if we support double precision numbers at core, it's impossible to enter a small number in the numeric fields.  It makes sense for floats and avoids bloating the UI, but I remember a discussio ...