User blog comment:Miskos3/Fairy Tail 521: The Strongest Wizard, Review/@comment-47.150.123.22-20170213234539/@comment-7418318-20170214064128

As far as I know there was no official statement of any kind, so it's up in the air.

But if they restart it, they sure have their work cut out for them to fill in the many blanks that Hiro left open. On the other hand, that means they have plenty of room to extend the story without having to come up with their own filler stories.