Xcode storyboard delegate datasource scenes

Try renaming the controller to whatever you want it to be:

Step 1 Select the "controller", named "Delegate" in your screenshot.

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Step 2 Click again on "Delegate", or press [Enter] to enter renaming mode.

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Step 3 Rename it to something meaningful.

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Step 4 Deselect or press [Enter] again to save the changes. The scene name will be updated to match the name you specified.

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Select View Controller -> Identity Inspector -> Document Label and rename it here.

Identity Inspector - Document Label

This worked for me.