Unreal Engine Issues
Unreal Engine Issues
FScopedEditorWorld doesn't clean up old world when going out of scope
UE - World Creation - Worldbuilding Tools - World Partition - Jan 19, 2024In a commandlet, when FScopedEditorWorld exits, it leaves references behind and prevents garbage collection of the PersistentLevel and non-spatial actors. This leads to an issue when a second FScop ...
Nanite static mesh is still visible even if "Render in main pass" or "Render in depth pass" is used
UE - Rendering Architecture - Jan 18, 2024UnregisterAsyncPhysicsTickActor not being called when actors end play via UWorld::RemoveFromWorld
UE - Simulation - Physics - Jan 17, 2024Reset Instance Changes to Blueprint Defaults does not reregister components
UE - Gameplay - Blueprint Editor - Jan 17, 2024For map placed blueprint actors with components with property modifications, when triggering Reset Instance Changes to Blueprint Default from the actor instance's Details panel, any components with ...
Map actor reconstruction does not reattach external non-root components
UE - Gameplay - Components - Jan 17, 2024For two map placed actors, if one actor B's non root component is attached to another actor A, the attachment is not retained when actor A reruns its construction script, such as when moving actor A ...
Blueprint Instanced Variables Data Erased
UE - Gameplay - Blueprint - Jan 17, 2024Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...
AMD PSO creation causes hang in SceneCapture2D with Nanite + ShowOnly primitives
UE - Graphics Features - Nanite - Jan 16, 2024AMD RX 6800 XT driver appears to hang (or take a very long time) in the PSO creation of the FInstanceCullVSM_CS shader when using Nanite primitive filtering NOTES:Issue can be worked around by addi ...
Depth of field rendering artifacts - flickering and masking
UE - Rendering Architecture - Jan 16, 2024Flickering and large flashes can be seen on reflective objects that are out of focus with DOF enabled. DumpGPU shows that artifacts are visible in TSR . ...
Pixel Inspector does not display Gbuffer values properly when a mesh with a material that has Anisotropy set is in Level
UE - Graphics Features - Jan 16, 2024This issue occurs when there is a material with Anisotropy, like the attached GIF.[Image Removed] ...
Pre-UE5 serialized FVariant FVector data corruption when deserialized in UE5
UE - Gameplay - LWC - Jan 15, 2024FVariant is a struct that implements a union of data types, including FVector. When assigning an FVariant an FVector value in engine versions UE 4.27 or earlier, the FVariant will deserialize incorr ...