> PresenterBase Using PropagateArgument is right, but I've added ForceInitialize to PresenterBase. You can touch presenter's property immediately. It's just publishing to AssetStore(now under reviwing). https://github.com/neuecc/UniRx/releases Please wait a moment, ver 4.8.2. > AsObservable It's only manner Return IObservable is only upcast, AsObservable() is transform, it's more safety. You do not need to do if it is higher cost.