Unreal Engine Issues

Static/Skinned Mesh SPropertyEditorAsset widget performance regression

InlineEditConditionToggle behavior present for UProperties even when InlineEditConditionToggle property specifier is not used

Reported by customer: It seems like in some cases, even when the InlineEditConditionToggle property specifier is not used, the behavior it enables is turned on anyway. It's possible to disable it w ...

LoadingScreen by MoviePlayer doesn't support Material in UE5.4

An assert crash is now triggered when set a widget using material to WidgetLoadingScreen of FLoadingScreenAttributes then call FDefaultGameMoviePlayer::SetupLoadingScreen(). The ensureMsgf in quest ...

Reference to GameplayTag isn't resolved correctly if the blueprint is loaded before the GameplayTag is registered

Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo

If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...

Case Child Actor Component validation error when set as editor-only

When a blueprint actor with a child actor component is placed in a level, and the child actor component is set as editor-only, the output log will show a validation error when the actor is moved and ...

UEnhancedInputUserSettings::LoadOrCreateSettings does not handle the changing of a settings class in the editor

proposed fix seems ok to me:  UEnhancedInputUserSettings* UEnhancedInputUserSettings::LoadOrCreateSettings(ULocalPlayer* LocalPlayer) { UEnhancedInputUserSettings* Settings = nullptr; ...

Bright Flickering or Black Squares with Rectangle Lights Intersecting Meshes

Rect Lights that intersect geometry can produce NaN pixels in SceneColor, which will affect bloom, FXAA, and other future passes. This can lead to large visible artifacts. The NaN values are produc ...

Nested level visibility track bug

The Level Visibility tracks part of a Subsequence are turned off every time you save the Leve Sequence. It does not happen if Level Visibility tracks are added in the main Sequence. ...

Memory stomp in UTexture2DArray::SetPlatformData

A crash from bad memory access can happen when clearing the textures in a Texture2DArray asset. This appears to be because the order of operations when deleting the platform data is: ``` if (Privat ...