Complex sentence: Patton was first released on DVD in 1999, featuring a partial audio commentary by a Patton historian, and again in 2006, with a commentary by screenwriter Francis Ford Coppola and extra bonus features.
Split into simpler sentences: Patton was first released on DVD in 1999 featuring a partial audio commentary by a Patton historian. Then again in 2006 with a commentary by screenwriter Francis Ford Coppola and extra bonus features.