Simulator/iPhone not showing Tab Bar Controller icons

Dear community,

I've been learning Swift, currently reading "Development Swift Fundamentals" (page 484).

I have added 2 items to the tab bar controller. If I use one of the default "system items" (icon+label), it works fine in the simulator. However, if I change that to "Custom" and choose a different icon from the "Selected Image" menu, it shows that normally in Xcode but it does not show that at all in the Simulator or in my iPhone. Please see the images attached.

Any thought?

Please find below how I see that in the Simulator (or in my iPhone):

Thanks, Rodrigo

Simulator/iPhone not showing Tab Bar Controller icons
 
 
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