Jovian Upgrade on Base Sepolia Testnet November 19th at 16:00:01 UTC

Scheduled for Nov 19, 16:00 - 17:00 UTC

Scheduled

On November 19th at 16:00:01 UTC, the Base Sepolia network will undergo the Jovian upgrade.

Operators of Base Sepolia Testnet nodes must upgrade to the latest release of the Base node software here: https://github.com/base/node/releases/tag/v0.14.1

More information about the Jovian upgrade can be found here: https://docs.optimism.io/notices/upgrade-17#breaking-changes-block-header-changes
Posted Nov 13, 2025 - 21:50 UTC
This scheduled maintenance affects: Mainnet (Client Software).