RCTgo

Well it's been 3 years, but here goes........... (ps sorry for necropost)
Darien Lake:
2019: Six Flags Skyscreamer, convince nearby farmers to sell their land
2020: Shipwreck Falls removed and replaced with an RMC Raptor.
2021: Predator retired, turned into Lake Monster, an RMC conversion.
2022: New log flume to fill the water ride void.
2023: New Wing Coaster named X-Flight.
Six Flags Over Georgia:
2019: Pandemonium. Six Flags confirms Splashwater Falls is done for.
2020: New S&S Freespin to replace Splashwater.
2021: New Launched Coaster similar to Maxx Force, and Monster House is finally retired.
2022: New dark coaster in the Monster House building, themed to a haunted forest.
2023: A large Intamin Giga Coaster, Colossus.
Dollywood:
2019: Wildwood Grove
2020: Nothing major, just shows and stuff
2021: Ridge Runner, a massive Mack hyper. Similar to this: https://www.youtube.com/watch?v=72GXzzRTJFo and goes on the remaining cleared plot that was not used by Wildwood.
2022: Smokey Mountain Rampage retired, splashdown returns to Blazing Fury at long last.
2023: Time Traveller, a new Mack Xtreme Spinning coaster that is a clone of the one at SDC.
The end........