What roller coaster forever changed the face of roller coaster developing and why?

The introduction of the Coney Island Cyclone in 1927 significantly changed roller coaster development due to its innovative use of laminated wood and its design principles, emphasizing speed and airtime. However, the real game-changer came with the debut of the Steel Vengeance in 2018, which redefined hybrid coaster technology by combining wood and steel for a smoother ride with inversions and intense airtime. This evolution paved the way for more creative designs, leading to a renaissance in coaster engineering that prioritized rider experience and safety.