In my mind, Heart of Thorns’ main goal was to establish a post-80 progression foundation for other expansions to build upon.
As such, we’re not looking down the barrel of them constantly adding new weapons to any class, since I think it’s safe to assume new weapons will be the sole purview of Elite Specs.
That said, conjured weapons are in need of a serious re-do. I would not mind if the next Elite Spec was simply an expansion of the conjurer role for elementalists.
However, there’s still plenty of weapons they can add minus any thought paid to conjuration; more, if you consider that the axe and shield were used improperly as “two handed” weapons while conjured.