For some odd reason on my Sylvari engineer the sword weapon skills don't change when I swap to the Holosmith specialisation, while on another human engineer it is not an issue. For example the sword weapon always has 2 blades on Refraction Cutter and always does only 2 bleeds and the minimum amount of damage. The leap skill always has the same amount of quickness and does not get a damage increase. Besides that when I have no heat on Holosmith I am supposed to only have 1 blade and 1 bleed going out while having no heat at all. Somehow none of the buffs sword should get when playing Holosmith and gaining heat are applying, it's like the recent changes to sword are overriding my Holosmith specialisation.
Changing specialisation or taking the weapon off and on has no effect.