Unreal Engine Issues
Unreal Engine Issues
Volumetric lightmap + stationary light has missing shadows
UE - Rendering Architecture - Sep 5, 2023Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...
Editor/Details Panel allows duplicate keys in TMap/TSet UPROPERTY()
UE - Editor - Workflow Systems - Sep 5, 2023When edited through the Details Panel in the Editor, TMap and TSet properties should not allow duplicate keys. When those keys are USTRUCTs with the “WithIdenticalViaEquality” trait, this should be ...
UHT doesn't warn that a class/structure size is larger than 65535
UE - Foundation - Cpp Tools - UnrealHeaderTool - Sep 1, 2023Static Mesh Scene Actor Flipped Normals
UE - Rendering Architecture - Aug 31, 2023Static meshes can have normals flipped when the actor they are attached to has one component of its scale inverted. ...
Crash when adding foliage instances to unloaded IFA
UE - World Creation - Worldbuilding Tools - Foliage - Aug 31, 2023Ran into a crash when trying to programmatically add foliage to a large WP level with some unloaded IFAs. ...
Inconsistent behavior with Register State Branches
UE - Editor - Workflow Systems - Aug 31, 2023ISourceControlProvider::RegisterStateBranches(...) doesn't reliably warn on conflicts ISourceControlProvider::RegisterStateBranches(...), specifically FPerforceSourceControlProvider, is supposed to ...
Transient Subclasses of ABrush default to supporting external packaging
UE - World Creation - Worldbuilding Tools - OFPA - Aug 29, 2023ABrush::SupportsExternalPackaging overrides the base implementation of AActor::SupportsExternalPackaging which returns false for transient actors, but it doesn't call super. As a result, transient ...
Datasmith floods network with UDP traffic in a lab environment
TM - Datasmith Exporter - Aug 28, 2023They've had some luck disabling UDP transport as mentioned in the following articles:https://docs.unrealengine.com/5.2/en-US/udp-messaging-settings-in-the-unreal-engine-project-settings/https://foru ...
BP timelines: when converting internal curve to external, the external curve isn't used until BP is recompiled
UE - Gameplay - Blueprint Editor - Aug 28, 2023Blueprint timelines: when converting an internal curve to an external curve asset, the curve asset's data isn't used until the blueprint is recompiled. This is confusing as there is no indication th ...
Components excluded from dedicated server can still be spawned on server
UE - Framework - Aug 25, 2023The cooker settings include the ClassesExcludedOnDedicatedServer/ClassesExcludedOnDedicatedClient lists, which specify classes that should be excluded when cooking a dedicated server/client. These l ...