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[UPDATE - Action Required]
Node operators must update their op-geth nodes to op-geth/v1.101603.5 prior to activating Jovian or nodes could halt while syncing after the Jovain activation. Do not use v.101603.4 as mentioned in the previous notice.
Update also op-node to v1.16.2
This is valid only for Mode Sepolia, Metal Sepolia and Zora Sepolia. Other Conduit testnets are not subject to this upgrade.
Scheduled
Upcoming Optimism testnets (Mode, Metal and Zora testnets) Jovian Hardfork – next Wednesday November 19th at 16:00:01 UTC A hardfork for OP testnets is scheduled for activation on Wednesday, November 19th at 16:00:01 UTC Required Actions
If you or your partners are running external nodes for Mode, Metal and Zora testnets, please ensure the following steps are completed before the fork time:
Version Updates
Update op-node to version: v1.16.1 (Release)
Update op-geth to version: v1.101603.4 (Release)
If you do not manage fork timestamps via --network, you must add this flag to op-node and op-geth: --override.jovian=1763568001
Only Mode, Metal and Zora testnets are impacted
For full details and implementation guidance, please refer to the Upgrade Notice.