Marionette Features are opt-in functionality. That you can enable by setting Marionette.FEATURES in your app.
triggersPreventDefaultThis flag is set to true by default.
It indicates the whether or not View.triggers will call event.preventDefault() if not explicitly defined by the trigger.
In v2 and v3 the default has been true, but for v4 false is being considered.
triggersStopPropagatingThis flag is set to true by default.
It indicates the whether or not View.triggers will call event.stopPropagating() if not explicitly defined by the trigger.
In v2 and v3 the default has been true, but for v4 false is being considered.