Of four planned DLC episodes, only Ardyn remains in development and will be released in March 2019, while Aranea, Lunafreye and Noctis have all been cancelled.
Tabata detailed his own departure during a livestream that was initially billed as a "Special Program" concerning the future of Final Fantasy XV. The development team Luminous has decided that it will now be focusing its efforts on developing an entirely new AAA title. The exact reasoning behind the change to the DLC releases wasn't explained, but it likely coincides with the $33 million loss that Square Enix detailed in its most recent fiscal report, which was due to restructuring Luminous Productions.
FFXV director Hajime Tabata also announced his exit from Square Enix during the stream.
Episode Ardyn producer Yuji Shinoda did add that while the other three episodes of the second season won't come as DLC, "we still hope to deliver something that showcases what type of story we were aiming to deliver in some way, shape, or form". However, no further details were divulged on what this new title is.
Despite the cuts to Final Fantasy XV's planned releases, Square Enix isn't turning its back on the game.
Square Enix shared some info on "Final Fantasy XV Multiplayer: Comrades" as well.
"For that reason, I have made a decision to leave my current position and start my own business in order to achieve my goal".
Final Fantasy XV's DLC plans were extensive, and the Comrades multiplayer, which is set to release on 13th December, will now be spun off into a standalone game called FFXV: Multiplayer Comrades with 10 new bosses, more costumes and weapons.
At this point, it's unknown if these financial problems contributed to Tabata leaving Square Enix, but the timing is certainly coincidental.