I don't believe we will get new skills, instead I strongly though sadly suspect what we will get is unfortunately old skills that should never have been removed readded under a different guise with a tweak here and there.
Bunshin is just duality upgraded to 5 stacks and requiring gauge, Temperance is just a pretty largesse with a damage reduction upgrade to justify it being a capstone. Nastrond is identical to the original level 50 capstone dragonfire dive just locked behind life of the dragon, but still retaining the recovery lag from launch.

The SHB skill gutting and lack of feedback acknowledgement, plus them now removing skills from patch notes means that they are now hiding things because they are either afraid or just don't give a damn or more than likely, both.