Future Events I think the Emperors formalized in Chapter 1053 are the last and there won't be any changes until the end of One Piece.

[Pantheos]

i can see the kid fan on super copium right here

*cough* zkk *cough*

 

[Roo]

i thought the yonko system would be done after wano tbh

 

[MonsterKaido]

I will say it depends on what yonko title means. Yonkos are basically great pirates competing for PK title. But it seems oda is replacing Great pirate for Yonko.

So even after OP ends there maybe yonkos around