Complex sentence: Due to a variety of issues, Warmack's Southern Hills Mall never materialized; however, The Mall at Turtle Creek did open in 2006, including a new Dillard's and a new JCPenney among its anchors.
Split into simpler sentences: Due to a variety of issues, Warmack's Southern Hills Mall never materialized. However, The Mall at Turtle Creek did open in 2006, including a new Dillard's and a new JCPenney among its anchors.