Hashimoto teases "big new" final fantasy titles for 2018

[Zekkyou]

Ka-pi96 said:
Gonna assume an FF14 expansion.

Stormblood released in June, so 5.0 shouldn't be due until 2019. I guess it's not impossible though; they've mentioned in the past the possibility of more frequently releasing smaller expansions, so maybe 5.0 to do so.