EnumRedirections from a Blueprint enum to a c++ enum does not redirect everything correctly.

UE - CoreTech - Aug 20, 2024

There is an engine bug when using the EnumRedirects feature inside a config file. If we have a Blueprint Enum used in our blueprints, and we want to convert all the Blueprint enum references to a C+ ...

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

UE - Editor - UI Systems - Aug 20, 2024

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.

UE - Gameplay - Blueprint Editor - Aug 19, 2024

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

UE - Rendering Architecture - Materials - Aug 15, 2024

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 ...

Anim Blueprint preview plays incorrect anim sequence after swapping sequence players

UE - Anim - Runtime - Anim Blueprints - Aug 14, 2024

It seems that the debug skeletal mesh in the anim blueprint preview can end up playing the incorrect anim sequences.  This happens when a sequence player, with the anim sequence specified via proper ...

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

UE - Editor - UI Systems - Slate - Aug 12, 2024

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.

UE - Editor - UI Systems - Aug 9, 2024

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 ...

Child actor primitive root component failing to decrement attachment counter to 0 before UPrimitiveComponent::FinishDestroy

UE - Framework - Components - Aug 8, 2024

Dragging a BP actor containing a child actor component of an actor class with a static mesh as its root component into the scene viewport will cause artifacts and hit SceneData.AttachmentCounter.Get ...

Crash handling: Prevent reports of assertions during shutdown after an assertion

UE - CoreTech - Aug 8, 2024

CriticalErrors in FWindowsErrorOutputDevice::Serialize (and other platforms) run some code after the error is detected rather than immediately terminating the process. Some of this other code is spe ...

MemReport does not seem to respect mesh streaming

UE - Rendering Architecture - Aug 6, 2024

The function "FStaticMeshLODResources::GetResourceSizeEx(...)" does not take into account that the buffers might be emptied, due to Mesh Streaming. This causes "obj list" to report sizes larger than ...