To change the order of the hub tabs edit the menu order option in the Page Attributes panel on each child page. All pages have a value of 0 by default. The lower the number the more to the left the hub tab link will appear.
To change the order of the hub tabs edit the menu order option in the Page Attributes panel on each child page. All pages have a value of 0 by default. The lower the number the more to the left the hub tab link will appear.