The Live Service will be offline for a maintenance window starting on 2021-09-03 at 2100 UTC. This maintenance window is not expected to exceed 4 hours.
A small client update will also be deployed during this server maintenance.
Please check this announcement on Spectrum for more details
[2021-09-03 Updates]
1940 UTC - Initial Notice. New connections to the live service will be declined starting at 2100, with servers offline at 2200 UTC.
2100 UTC - New connections to Live Servers are now being declined.
2200 UTC - Servers offline, Maintenance in-progress.
2230 UTC - Servers online, hotfix client deployed.