The Final Fantasy XIV 6.18 patch and maintenance period is mostly focused on backend changes, like adding new servers and enhancing existing data centers.
The Job changes for Final Fantasy XIV 6.18 mostly have to do with potency adjustments for various job abilities in PVP.
Players more focused on PVE activities also have something to look forward to in Final Fantasy XIV patch 6.18, particularly those at the endgame.
The other PVP mode, Frontline, also received mode-specific changes, such as slowing the rate at which the Limit Gauge fills.