You can read all about it here. Massively usually does a top-notch job, so I'm glad they're covering this. I'm also glad Cryptic is handling this swiftly.
However, this is both causing me to restart my Astral Diamond tracking and giving me a reason to restart my Astral Diamond tracking. The vast gaps between rates means that the methodology I used for Star Trek Online is insufficient for Neverwinter right now. Maybe it'll be okay when things settle down, but for now? Its simply too volatile.
I'm not sure how I'll deal with it just yet, but we'll see!