Apparently now at over 2400 entrants.
https://liquipedia.net/smash/Supernova/2025/Melee
For context, here are past large tournaments: https://www.ssbwiki.com/List_of_largest_Smash_tournaments
(Oh, and if you haven’t heard, SuperNova is the new name for Smashcon.)
It’s up there for Ultimate too, being around the 5th largest event for that game.
I didn’t expect that record to break again, to be honest. But always glad to see it happen!