How to track the updates of components down the tree?

Hi, @artf. I have a few questions regarding component lifecycle hooks. In my application, I want to track the updates to all the children of a component and their children, and so on. How should I do it?Updates on immediate children are tracked by the model.updated() hook but I need to track the updates to a component (let's call this a super child) which is a nested child of some other component (let's call this super parent). In between the super parent and the super child, there can be any number of components. How can I track these updates? e.g. If I add a component to the super child, I...