- IsLoadingFromScene uses a simple static bool flag active during spawn loop - Works server-side only (client relies on its own property replication) - Removed replicated bLoadedFromScene/bPropertiesReady from SpawnableComponent - Removed Multicast RPC and SetIsReplicatedByDefault (unnecessary complexity) - SceneSerializer sets bIsCurrentlyLoading during load for consistent behavior Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>