bal-devnet-7
liveGenesis 2026-05-19 13:05 UTCFull spec on notes.ethereum.org
Announcements
- bal-devnet-7 target launch: **Monday 18.05** (subject to ACDT today).
- **Last `bal-` prefixed devnet.** Consolidates the bal-devnet-3 optimisations with the EIP-8037 spec changes finalised since bal-devnet-6 — confirmed in [`tests-bal@v7.0.0`](https://github.com/ethereum/execution-specs/releases/tag/tests-bal@v7.0.0). Future devnet releases will be prefixed `glamsterdam-`.
- **EIP-8037 final shape** — all spec changes for the EIP land here, pulled from four EIPs PRs: [#11573](https://github.com/ethereum/EIPs/pull/11573) (fixed CPSB + frame accounting, **merged**), [#11606](https://github.com/ethereum/EIPs/pull/11606) (SELFDESTRUCT charges, **merged**), [#11611](https://github.com/ethereum/EIPs/pull/11611) (bal-devnet-6 bug fixes, open), [#11616](https://github.com/ethereum/EIPs/pull/11616) (parameter recalibration, open). EELS reference branch: [`devnets/bal/7`](https://github.com/ethereum/execution-specs/tree/devnets/bal/7).
- **Parameters:** `cost_per_state_byte` **`1174 → 1530`** (fixed), `STATE_BYTES_PER_NEW_ACCOUNT` `112 → 120`, `STATE_BYTES_PER_STORAGE_SET` `32 → 64`, `STATE_BYTES_PER_AUTH_BASE` unchanged at `23`. `SYSTEM_CALL_GAS_LIMIT` raised from `30M` to `30M + STATE_BYTES_PER_STORAGE_SET × CPSB × SYSTEM_MAX_SSTORES_PER_CALL` (`SYSTEM_MAX_SSTORES_PER_CALL = 16`); the extra is allocated to `state_gas_reservoir` so system calls cannot OOG on state-gas growth alone.
- **eth/70 (EIP-7975) and eth/71 (EIP-8159) are now mandatory** — moved from `optional` after the SFI check in #block-access-lists (2026-05-08). Every EL must support both for bal-devnet-7.
Resources
Dora Explorer
Beacon-chain block & epoch explorer
Execution RPC
JSON-RPC endpoint
Faucet
Request test ETH
Checkpoint Sync
Beacon checkpoint-sync endpoint
Forky
Fork-choice visualizer
Forkmon
Fork monitor across clients
Assertoor
Automated testing dashboard
Hosted by ethpandaops at <service>.bal-devnet-7.ethpandaops.io — available while the devnet is live.
EIPs in scope11
| EIP | Title | Layer | Status | In devnet |
|---|---|---|---|---|
| EIP-7708 | ETH transfers emit a log Standards Track · Core — ETH Transfers Emitted as Logs | EL | Review | |
| EIP-7778 | Block Gas Accounting without Refunds Standards Track · Core — Block Gas Accounting Fix | EL | Review | |
| EIP-7843 | SLOTNUM opcode Standards Track · Core — Get Current Slot Number | EL | Draft | |
| EIP-7928 | Block-Level Access Lists Standards Track · Core — Block Access Lists | EL | Review | |
| EIP-7954 | Increase Maximum Contract Size Standards Track · Core — Larger Contracts | EL | Review | |
| EIP-7975 | eth/70 - partial block receipt lists Standards Track · Networking — Partial Block Receipts | EL | Draft | required |
| EIP-7976 | Increase Calldata Floor Cost Standards Track · Core — Higher Calldata Fees | EL | Review | |
| EIP-7981 | Increase Access List Cost Standards Track · Core — Access List Cost Increase | EL | Review | |
| EIP-8024 | Backward compatible SWAPN, DUPN, EXCHANGE Standards Track · Core — Easier Stack Access | EL | Review | |
| EIP-8037 | State Creation Gas Cost Increase Standards Track · Core — State Creation Gas Cost | EL | Draft | updated |
| EIP-8159 | eth/71 - Block Access List Exchange Standards Track · Networking — Block Access List Exchange | EL | Draft | required |
Execution layer client support
| Feature | Geth | Besu | Reth | Nethermind | Erigon | Nimbus-EL | Ethrex |
|---|---|---|---|---|---|---|---|
| 7708 / 7778 / 7843 / 7928 / 7954 / 7976 / 7981 / 8024 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 7975 (eth/70 — required) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 8037 (CPSB=1530 + #11611) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 8159 (eth/71 — required) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Scraped from ethpandaops 2026-07-07 · re-checked every 12 hours.