Mainnet upgrade [action required]
Scheduled Maintenance Report for Hedera Hashgraph
The scheduled maintenance has been completed.
Posted Sep 13, 2019 - 21:00 UTC
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Sep 13, 2019 - 19:00 UTC
Hedera will be upgrading and restarting the mainnet on Friday, September 13th at 19:00 UTC. The upgrade will take approximately 90 minutes to complete, during which time all network services on the Hedera mainnet will be offline.

Developers with applications on the Hedera mainnet (beta) are required to make a small code change. Details of this requirement can be found here:
Posted Sep 13, 2019 - 18:43 UTC