If you actively use Defensive Support on Haven, please make sure to unskill and remove all points from it before the update goes live. Else you might end up losing those power points, as happened to me on Amun.
Prior to the balance update, I had invested 3 points into it and once they swapped it for Rigorous Preparation, (possibly) those points were lost too.
http://i.imgur.com/hOIsnr1.jpg
Eventually, NGD will fix it but it's just an extra overhead on their workload.
Yet to be confirmed but still, better safe that sorry.
(Possibly how people lost points during the past update when Feint got moved from barbs)