Scheduled: Fantom Legacy Opera Mainnet – Upgrade Sonic to v1.2.1-i

Scheduled for May 21, 11:00 UTC - May 22, 11:00 UTC

Update

We will be undergoing scheduled maintenance during this time.

Posted May 14, 2025 - 08:39 UTC

Scheduled

We will be upgrading our Sonic nodes on the Fantom Legacy Opera Mainnet to version v1.2.1-i on 2025-05-21 at 11:00 UTC.

Please note that there will be no expected downtime during this upgrade. However, users may experience brief performance fluctuations.

Key changes in this release include performance and stability improvements.

Please see the detailed changelog and comparison here:
🔗 https://github.com/Fantom-foundation/Sonic/releases/tag/v1.2.1-i
🔗 https://github.com/Fantom-foundation/Sonic/compare/v1.2.1-g…v1.2.1-i

Posted May 14, 2025 - 08:37 UTC

This scheduled maintenance affects: Fantom (Mainnet — JSON-RPC API, Mainnet — Websockets API, Mainnet — QuickAlerts, Mainnet — Streams).