As evidence of the continuing vitality of dance throughout the Bay Area, the fall season marks some significant company anniversaries. And though celebrating a milestone birthday can be both bittersweet and anxiety-producing for an individual, for a dance company it’s a feat as gravity-defying as a grand jeté by Baryshnikov. One of our signature local companies is reintroducing itself with a new, slimmed down name: Smuin Ballet is now known by the single moniker Smuin. Some of the new season’s most anticipated events have plenty of star power, while others present opportunities to discover a few of our area’s resident treasures. Dive in.