Mainnet Upgrade to v0.12.0
Scheduled Maintenance Report for Hedera Hashgraph
The mainnet v0.12.0 upgrade has been completed successfully. Nodes 4 (0.0.7) and 16 (0.0.19) were taken offline due to networking issues. Node 17 (account 0.0.20) has been brought online. We will schedule a subsequent maintenance window to bring Nodes 4 and 16 online. See for the release notes.
Posted Mar 12, 2021 - 22:14 UTC
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Mar 12, 2021 - 20:19 UTC
Hedera has extended the initial maintenance window

Hedera will be upgrading Mainnet to v0.12.0 (release notes: on Friday, March 12th 2021 at 18:00 UTC. We will also add two additional nodes, Standard Bank node 16 (0.0.19) and eftpos node 17 (0.0.20) bringing the total node count to 18/18.
Posted Mar 12, 2021 - 20:18 UTC
This scheduled maintenance affected: Hedera Mainnet (v0.17.4) | Network Uptime.