Whizbang Dustyboots
Gnometown Hero
By that metric, though, nothing has ever changed in RPG land since, other than maybe the 4E era, D&D has always dwarfed every other RPG.The majority of play and design is still centered squarely on 5e.
But we know that RPGs have changed and evolved over time, so "is D&D the dominant game" can't be the measure we use.