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All devnets

bal-devnet-7

live
Genesis 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. 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 (fixed CPSB + frame accounting, merged), #11606 (SELFDESTRUCT charges, merged), #11611 (bal-devnet-6 bug fixes, open), #11616 (parameter recalibration, open). EELS reference branch: 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

EIPTitleLayerStatusIn devnet
EIP-7708
ETH transfers emit a log
Standards Track · Core - ETH Transfers Emitted as Logs
ELReview
EIP-7778
Block Gas Accounting without Refunds
Standards Track · Core - Block Gas Accounting Fix
ELReview
EIP-7843
SLOTNUM opcode
Standards Track · Core - Get Current Slot Number
ELDraft
EIP-7928
Block-Level Access Lists
Standards Track · Core - Block Access Lists
ELReview
EIP-7954
Increase Maximum Contract Size
Standards Track · Core - Larger Contracts
ELReview
EIP-7975
eth/70 - partial block receipt lists
Standards Track · Networking - Partial Block Receipts
ELDraftrequired
EIP-7976
Increase Calldata Floor Cost
Standards Track · Core - Higher Calldata Fees
ELReview
EIP-7981
Increase Access List Cost
Standards Track · Core - Access List Cost Increase
ELReview
EIP-8024
Backward compatible SWAPN, DUPN, EXCHANGE
Standards Track · Core - Easier Stack Access
ELReview
EIP-8037
State Creation Gas Cost Increase
Standards Track · Core - State Creation Gas Cost
ELReviewupdated
EIP-8159
eth/71 - Block Access List Exchange
Standards Track · Networking - Block Access List Exchange
ELDraftrequired

Execution layer client support

FeatureGethBesuRethNethermindErigonNimbus-ELEthrex
7708 / 7778 / 7843 / 7928 / 7954 / 7976 / 7981 / 8024✓✓✓✓✓✓✓
7975 (eth/70 — required)✓✓✓✓✓✓✓
8037 (CPSB=1530 + #11611)✓✓✓✓✓✓✓
8159 (eth/71 — required)✓✓✓✓✓✓✓

Scraped from ethpandaops 2026-07-15 · re-checked every 12 hours.