On Apr 4, 2019, at 9:43 AM, Casey McDermott <supp...@turtlesoft.com> wrote:
> 
> We have a tab view with tabs added from code.  Each tab uses a NSTabViewItem 
> subclass,
> which contains a reference to a NSViewController subclass within it to manage 
> tab contents. 
> Users click to add and remove tabs.

I see that NSTabViewItem has a strong viewController property.  Are you using 
that, or does your NSTabViewItem subclass add its own separate reference to the 
view controller?

--Andy

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