Logged in at 7am CST. Very brief (1 minute or less), small lag spikes (~300ms max) occurred every 30 minutes at approx 7:25, 7:55, 8:25, 8:55.
As of 9:15-9:19 a more persistent lag spike occurred, with delays hopping around and maximums in the 1k+ range.
9:21 spoke too soon, the heavier lag is ongoing.
9:35 back to 35 ping - steady
10:00 Server down for a patch. ETA 15-20 minutes
12 noon CST. Lag is acceptable at brief moments of 1-2 seconds delay
2:40 pm. 9-12 second delay on actions. 15 sec chat delay
3:00 lag has progressively worsened to 30-40 second delay on actions and chat.
3:20 Server shutting down for patch. ETA 15-20 minutes