Quick question

[ItMe]

short answer:
It is true, you have about 60 more quests before Heavensward.



Long answer:
The initial 1-50 quests up to Ultima Weapon are from ARR.
Heavensward was added years later.
In the meantime, FF14 was still getting updates. Over those years they added (among other things) about 100 main story quests (not counting mandatory sidequests this has now been cut down to about 80).

Between every expac there is more questing to do, though there are def more quests between between ARR and Heavensward than any other two.

This is largely because they were putting everything into supporting ARR because they didn't know if they were gonna get to make an expac at some point or if they had failed to salvage the game. Now a days they're able to start work on expacs ahead of time (heck, they're working on 7.0 as we speak), when FF14 relaunched there were not yet thinking and planning 2 expacs ahead, let alone have another in the pipeline like they can now.

Thus there is a larger gap (and more quests) between ARR and Heavensward than between any of the expacs, and, unfortunately, you'll find some of it feels like filler.