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2 changes: 1 addition & 1 deletion pages/notices/upgrade-15.mdx
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Expand Up @@ -17,7 +17,7 @@ is_imported_content: 'false'

import { Steps, Callout } from 'nextra/components'

# Upgrade 15: Isthumus Hard Fork
# Upgrade 15: Isthmus Hard Fork

This page outlines breaking changes related to the Isthmus network upgrade for chain operators and node operators. The upgrade proposal is available [here](https://gov.optimism.io/t/upgrade-proposal-15-isthmus-hard-fork/9804) and the governance vote is available [here](https://gov.optimism.io/t/proposal-preview-implement-prague-features-on-the-op-stack/9703).

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1 change: 1 addition & 0 deletions pages/operators/node-operators/network-upgrades.mdx
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Expand Up @@ -32,6 +32,7 @@ Network upgrades are activated by timestamps. Failing to upgrade your OP Stack s

| Upgrade | Governance Approval | [Mainnet Activations](https://github.com/ethereum-optimism/superchain-registry/blob/main/superchain/configs/mainnet/superchain.toml) | [Sepolia Activations](https://github.com/ethereum-optimism/superchain-registry/blob/main/superchain/configs/sepolia/superchain.toml) |
| --------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------ |
| [Isthmus](https://specs.optimism.io/protocol/isthmus/overview.html?utm_source=op-docs\&utm_medium=docs) | [approved](https://vote.optimism.io/proposals/8705916809146420472067303211131851783087744913535435360574720946039078686841) | Fri May 9 16:00:01 UTC 2025 (`1746806401`) | Thu Apr 17 16:00:00 UTC 2025 (`1744905600`) |
| [Holocene](https://specs.optimism.io/protocol/holocene/overview.html?utm_source=op-docs\&utm_medium=docs) | [approved](https://vote.optimism.io/proposals/20127877429053636874064552098716749508236019236440427814457915785398876262515) | Thu Jan 9 18:00:01 UTC 2025 (`1736445601`) | Tue Nov 26 15:00:00 UTC 2024 (`1732633200`) |
| [Granite](https://specs.optimism.io/protocol/granite/overview.html?utm_source=op-docs\&utm_medium=docs) | [approved](https://gov.optimism.io/t/upgrade-proposal-10-granite-network-upgrade/8733) | Wed Sep 11 16:00:01 UTC 2024 (`1726070401`) around block `125235812` | Mon Aug 12 16:00:00 UTC 2024 (`1723478400`) around block `15837930` |
| [Fjord](https://specs.optimism.io/protocol/fjord/overview.html?utm_source=op-docs\&utm_medium=docs) | [approved](https://gov.optimism.io/t/upgrade-proposal-9-fjord-network-upgrade/8236) | Wed Jul 10 16:00:01 UTC 2024 (`1720627201`) around block `122514212` | Wed May 29 16:00:00 UTC 2024 (`1716998400`) around block `12597930` |
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