App title not visible in full size content view toolbar

I'm trying to adopt to the new toolbar layout in Big Sur. I fill my toolbar programmatically but it is instantiated in Interface Builder. I switched to the new unified style which seems work fine so far, the extended separators work too. But I cannot get the title to show up... It's set in IB, Show Title Bar is enabled too. It even shows up in the preview in IB. But when I run my app it's gone.

Is there a trick I am missing to make it appear?
Hi metalman,

Can you check a few things for me?

First, double-check that the window doesn't have "Hide Title Text" selected in the Interface Builder inspector. Second, if you remove the NSToolbar instance from your Interface Builder document and replace it with an in-code instantiation (setting the same delegate and applying it to the same window), does the problem go away?

If the all-code version works, that sounds like a framework bug that I would encourage you to file via Feedback Assistant.
App title not visible in full size content view toolbar
 
 
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