# epbs-devnet-1 spec :::info :mega: epbs-devnet-1 targets to launch by 4th of March 2026. ::: :::info :mega: On devnet 1 only local block building will be tested only. ::: ## EIP List for epbs-devnet-1 [EIP-7732: Enshrined Proposer-Builder Separation](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-7732.md) :new: **Key:** - :up:, EIP has updated! - :new:, new EIP added. ### Implementation tracker CL | Feature/EIP | Lodestar | Lighthouse | Prysm | Teku | Grandine | Nimbus | ----------- | -------- | ---------- | ----- | --- | --- | --- | | **EIP-7732** | :question: | :question: | :question: | :question: | :question: | :question: ### Test Releases **Consensus Specs:** [v1.7.0-alpha.2](https://github.com/ethereum/consensus-specs/issues/4858) **Execution Specs:** N/A ### Spec versions required & Open PRs **Beacon Metrics** **Execution Metrics** **Beacon API** - [PR-552 - Standardized Epbs Beacon Api](https://github.com/ethereum/beacon-APIs/pull/552) Open :exclamation: **Builder Specs** **Consensus Specs** - [PR-4832 - Reserve space for one validator sweep withdrawal](https://github.com/ethereum/consensus-specs/pull/4832) Merged :heavy_check_mark: - [PR-4836 - Fix indexed payload attestation domain](https://github.com/ethereum/consensus-specs/pull/4836) Merged :heavy_check_mark: - [PR-4841 - Update prepare_execution_payload for Gloas](https://github.com/ethereum/consensus-specs/pull/4841) Merged :heavy_check_mark: - [PR-4843 - Variable PTC deadline](https://github.com/ethereum/consensus-specs/pull/4843) Open :exclamation: **Execution APIs** **Execution Spec PRs** ## Kurtosis Interop Conifg (Pre-devnet testing) TBD Previous devnet spec for reference: https://notes.ethereum.org/@ethpandaops/epbs-devnet-0