In theory will your old NAIPS APP still work when it's all sorted? Or will there be a new one?
All 3rd party applications that talk to NAIPS will need to be (have been) modified/upgraded.
A short time ago the interfaces used by Command Flight Planner, AvPlan, Oz Runways etc. started responding although they are suffering the same intermittent and slow performance as the AsA web site is.