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This page outlines breaking changes related to the Ethereum Pectra (Prague-Electra) hard fork for chain operators and node operators on OP Stack chains.
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This page outlines breaking changes related to the Ethereum Pectra (Prague-Electra) hard fork for chain operators and node operators on OP Stack chains. The OP Stack is dividing the Pectra upgrade into two parts:
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1.**Make the necessary upgrades to make sure OP Stack chains do not break when the L1 Pectra upgrade activates.** We will release new versions of the OP Stack to ensure that OP Stack chains remain functional after the L1 Pectra upgrade. If you're are running a fault proof enabled chain, you will need to follow additional steps outlined below.
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2.**Upgrade OP Stack chains to support Pectra's new features that apply to L2s.** We will implement all the features of Pectra that apply to L2s and will release a new version of the OP Stack that includes these features. We will provide more information as engineering work wraps up. We are tracking the spec work in this [issue](https://github.com/ethereum-optimism/specs/issues/499). The upcoming Isthmus hardfork will contain all Prague features, you can track our progress in this [project board](https://github.com/orgs/ethereum-optimism/projects/84/views/10).
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If you experience difficulty at any stage of this process, please reach out to [developer support](https://github.com/ethereum-optimism/developers/discussions).
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<Callouttype="info">
@@ -48,14 +52,11 @@ Node operators will need to upgrade to the respective releases before the activa
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*`op-node` at [`v1.11.0`]()
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*`op-geth` at [`v1.101500.0`]()
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*`op-geth` at [`v1.101500.0`](https://github.com/ethereum-optimism/op-geth/releases/tag/v1.101500.0)
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## For chain operators
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The OP Stack is dividing the Pectra upgrade into two parts:
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1.**Make the necessary upgrades to make sure OP Stack chains do not break when the L1 Pectra upgrade activates.** We will release new versions of the OP Stack to ensure that OP Stack chains remain functional after the L1 Pectra upgrade. If you're are running a fault proof enabled chain, you will need to follow additional steps outlined below.
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2.**Upgrade OP Stack chains to support Pectra's new features that apply to L2s.** We will implement all the features of Pectra that apply to L2s and will release a new version of the OP Stack that includes these features. We will provide more information as engineering work wraps up. We are tracking the spec work in this[issue](https://github.com/ethereum-optimism/specs/issues/499).
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The following sections are how chain operators can prepare the first part of the OP Stack's Pectra L1 support. This ensures OP Stack chains do not break when the L1 Pectra upgrade activates.
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Every chain operator will need to first follow the guidance outlined in the [Node Operator section](#update-to-the-latest-release) to update your nodes to the latest releases.
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