Unreal Engine Issues

Level Instance Property Overrides failing in UWorldPartitionLevelStreamingDynamic::FinalizeRuntimeLevel

UAbilityTask_SpawnActor::BeginSpawningActor may return true when SpawnedActor contains stale value

UAbilityTask_SpawnActor::BeginSpawningActor assumes the incoming AActor*& SpawnedActor parameter is nullptr if no actor was spawned, but it does not initialize the parameter at the start of the func ...

NDC Sorting Incorrect

Using the new NDC BP nodes in 5.7 causes sorting to break; one system, regardless of world placement, is always drawn over the other. Even when the viewpoint puts the dominant system in the foregrou ...

Nanite culling breaks on scaled object with displacement when camera enters displacement area

Nanite tessellation, only supports calculating displacement in local space and everything gets scaled with the object scale, which is often undesirable. If the camera enters inside the area allocate ...

Panini Lens Projection and Post Process buffers broken

Panini Lens Distortion does not appear to affect some buffers (SceneDepth, CustomDepth, WorldNormal, etc.) consistently. These buffers behaved correctly in 5.3 ...

LevelStreamingPersistence: BP added components don't persist properties in PIE until map actor resave

Context The LevelStreamingPersistence plugin can be used to remember and restore properties on actors, components and other objects that are part of a streamed level. Persisted properties are resto ...

PrimaryAsset reference in UserDefinedStruct default values gets nulled

Having a block in layout before switching to overlay strategy affects the overlay output.

Issue: If "Resizable" Layout Strategy contains a block, it will influence the "Overlay" Layout Strategy. Expected behavior: When using "Overlay" Layout Strategy, it should disregard whatever the "R ...

StateTree: While editing State Parameters or exposed properties of a Condition/Task, an ensure() fires when editing inputs of a Property Function bound to an array element

Consider an array property that can be edited in the StateTree editor. This can be a State Parameter or an exposed property of a Condition or Task, for example. Each element of the array can be boun ...

Engine crashes when renaming assets inside an L10N folder.

The engine crashes when renaming a localizable asset inside an L10N folder. The engine attempts to associate it with the original localizable asset, but it is unable to find it and ends up accessing ...