Sepolia Testnet: Base Upgrade v1 - April 20th

Scheduled for Apr 20, 16:00 - 18:00 UTC

Scheduled

On Monday April 20th between 16:00 and 18:00 UTC, the Base Sepolia Testnet will undergo the v1 upgrade.

Operators of Base Sepolia Testnet nodes must upgrade to the 0.7.0, or greater, release of the github.com/base/base software. Preconfigured builds for this version are available from github.com/base/node with a corresponding release: https://github.com/base/node/releases/tag/v0.15.0.

NOTE
It is mandatory that nodes run base-consensus and base-reth-node binaries. Op-geth and op-node clients are no longer supported.

Please see the following document for migration instructions: https://docs.base.org/base-chain/node-operators/base-v1-upgrade

Posted Apr 08, 2026 - 18:49 UTC

This scheduled maintenance affects: Testnet (Client Software).