4:00am Monday, March 14, 2022 CST
(9:00am Monday, March 14, 2022 UTC)
for a maintenance window expected to last around three (3) hours.
Due to the timing and window length, there is no plan for disruption, but simply the possibility of disruption if things don't go according to plan.
So this is just a heads-up so that you're aware of the possibility, and that "it's us, not you" if you find yourself having unique trouble or seeing the server down around this time.