Unreal Engine Issues
Unreal Engine Issues
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
Iris - Ensure in MarkObjectDirty when calling multicast from component owned by bOnlyRelevantToOwner actor
UE - Networking - Iris - Sep 24, 2024It seems as though the component is in scope for more than one connection, despite its owner only being relevant to one. Enabling Net.Iris.Filtering.ValidateNobSubObjectInScopeWithFilteredOutRootObj ...
Geometry collection components report incorrect mass for character movement components
UE - Simulation - Physics - Sep 24, 2024A player cannot move heavier GC objects even if we have a valid setup due to the GC not reporting the correct mass. ...
Strip out disabled Pose Search Database animations during cook
UE - Anim - Gameplay - Sep 23, 2024Animations that are disabled in the Pose Search database still get loaded in a cooked build ...
GameFeature Plugins do not chunk as expected when using PrimaryAssetLabels
UE - Gameplay - Sep 23, 2024There is some unexpected behaviour around GameFeature Plugins (GFPs) when packaging with chunking enabled most noticeable when using PrimaryAssetLabels (PALs). Firstly, PrimaryAssetLabels do not ap ...
Blueprint improperly marked dirty when it contains a latent node with a byte enum
UE - Gameplay - Blueprint Editor - Sep 23, 2024In UE 5.4, when deleting actors in our levels, some blueprints will be mark dirty despite not having changed. We traced that down to FAssetRenameManager::CheckPackageForSoftObjectReferences. The af ...
SingleLayerWater Material crashes when sampling SceneTexture:CustomStencil.
UE - Rendering Architecture - Shaders - Sep 19, 2024There is a texture mismatch between the expected texture samplers and actual texture samplers for SingleLayerWater materials that use the Material Function StencilMaskCompare. Also tested on UE5.5, ...
In UChaosGameplayEventDispatcher::HandleCollisionEvents(), when bSwapOrder = true, Comp1 should be set to PhysicsProxy0's owning component, not PhysicsProxy1's.
UE - Simulation - Physics - Solver - Sep 18, 2024Implementing an EventHit node in a Geometry Collection Actor and printing the Names of the returned values, it wrongly returns the reference to this Actor (self) on the Other actor object reference, ...
Niagara Editor Viewport will crash when rendering opaque materials with Mobile Multi-View and Mobile Vulkan Preview Enabled
UE - Niagara - Sep 18, 2024The Niagara viewport will crash when rendering opaque sprites if Mobile Multi View and the mobile preview are enabled. Additive materials do no crash, and if the viewport is not set to lit it does ...
UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired
UE - Simulation - Physics - Destruction - Sep 18, 2024UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...