From the official site:
New in Summer 2017, Drop Line is a 200-foot tall free-fall experience that towers over Timber Canyon and provides an incredible view of the park before its exhilarating finish. The drop tower ride lifts Dollywood guests nearly 20 stories above the Canyon’s pool, before plummeting them back to the ground in a thrilling rush.
Whistle Punk Chaser, a new junior coaster opening in Summer 2017, throws thrilling twists and turns at Dollywood’s younger loggers, helping prepare them for the day they can join their parents aboard the award-winning Thunderhead wooden coaster.
Read more from Dollywood.