I'm having issues staying connected to the game. its literally unplayable atm. My NAT is open, and ive tried resetting my xbox. I've had no issues with the closed beta or release yesterday. Are there some server issues today?

Error code No[630]

Here are some suggestions:

https://support.pso2.com/hc/en-us/articles/360042472914-I-frequently-receive-a-No-630-error-after-I-log-into-the-game-

It might be cause of the current dilemma we have going on. More people are online working+streaming.

Also true, sadly.