I don’t understand what you mean. It seems to me that bubbling is functionality that users would expect and implementing bubbling should have very little overhead.
On Sep 6, 2016, at 12:12 AM, Alex Harui <aha...@adobe.com> wrote: > IMO, bubbling is only for interactive events. When you > bubble an event, the event type/name becomes global. That can pose a big > problem for mashups and other aggregations.