According to Ign the new super smash will have day one patch enought to fix replay system. This updapte will be automatically installed on digital version, the updapte would be needed to install manually on physical ver. if you are insterested on the switch scene this mean that maybe nintendo will make you updapte your switch to 6.2 in order to have full experince of SMBU. at the moment atmpshere is the only CFW who support 6.2
https://www.ign.com/articles/2018/1...te-gets-launch-day-patch-to-fix-replay-system
https://www.ign.com/articles/2018/1...te-gets-launch-day-patch-to-fix-replay-system