I am using a tab panel and experiencing a memory leak. When a tab panel is closed, that panel is removed from its parent, but it remains in memory. Is there any call that I need to make so that the panel is garbage collected? The only reference I can find that would remain after that point is ErraiBus. Many of my panels subscribe to messages on the ErraiBus, but I don't see a way of unsubscribing from the ErraiBus. There is an unsubscribeAll() method, but that method says that it unsubscribes all listeners for a particular subject. I only want to unsubscribe the listener of a particular panel.
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