v1.7.0

v1.7.0 Release Notes

Base: v1.6.0
Head: staging (9b03493)

For reference: v1.6.0 deployed contracts

Newly Deployed Contracts

Mainnet (L1)

Contract	Networks
ArbitrumReverseResolver	mainnet
BaseReverseResolver	mainnet
LineaReverseResolver	mainnet
OptimismReverseResolver	mainnet
ScrollReverseResolver	mainnet
DefaultReverseRegistrar	mainnet, sepolia, holesky
DefaultReverseResolver	sepolia, holesky
BatchGatewayProvider	mainnet, sepolia, holesky
MigrationHelper (deploy utility)	mainnet, sepolia, holesky

L2 Chains — L2ReverseRegistrar

Network	Testnet
Arbitrum	Arbitrum Sepolia
Base	Base Sepolia
Optimism	Optimism Sepolia
Linea	Linea Sepolia
Scroll	Scroll Sepolia

Redeployed Contracts (modified source)

Contract	Networks
ETHRegistrarController	mainnet, sepolia, holesky
PublicResolver	mainnet, sepolia, holesky
UniversalResolver	mainnet, sepolia, holesky
DefaultReverseResolver	mainnet (modified)
StaticBulkRenewal	mainnet, sepolia, holesky
ExponentialPremiumPriceOracle	holesky
StaticMetadataService	sepolia, holesky
TestUnwrap (test contract)	sepolia, holesky

---

v1.7.0 Changes

215 files changed, ~14k additions, ~11k deletions

New Features / Contracts

• Security Controllers: Added RegistrarSecurityController and RootSecurityController with deploy scripts and tests
• P256 Precompile: Replaced EllipticCurve.sol with EIP-7951 P256Precompile.sol for Algorithm 13 (#509)
• ShuffledGatewayProvider: New gateway provider ShuffledGatewayProvider.sol with tests (#472)
• ResolverCaller: New utility ResolverCaller.sol for resolver interactions (#470)
• ERC7996 support: Added IERC7996.sol interface (renamed from IFeatureSupporter) (#508)
• ICompositeExtendedResolver / IVerifiableResolver: New resolver interfaces ICompositeResolver.sol, IVerifiableResolver.sol (#497)
• LibMem / LibABI: New utility libraries LibMem.sol, LibABI.sol
• ENSIP-24 DataResolver: Added DataResolver.sol and SupportedDataKeys.sol for arbitrary data resolution (#503)
• CCIPBatcher: Fix to respect Lookup with FLAG_DONE in CCIPBatcher.sol (#499)

Infrastructure / Build System

• Hardhat v3 + Rocketh migration: Major migration from Hardhat v2 (hardhat.config.cts) to Hardhat v3 (hardhat.config.ts) with Rocketh (#444)
• Test framework: Migrated tests to Vitest (.test.ts suffix), added vitest.config.ts and test/setup.ts
• Deploy scripts: All rewritten for Rocketh/HH3 compatibility
• Tasks: Converted from .cts to .ts, removed esm_fix and etherscan-multichain

Bug Fixes

• Fixed NameCoder nextLabel logic (#496)
• Fixed NameWrapper deploy script dependencies (#490)
• Fixed forked tests (#485)
• Various deploy script fixes (multicall, shared deploys)

Docs / Misc

• Synchronized UniversalResolver docstrings with ENSIP-23 (#466)
• Fixed typos in comments and docs (#533)
• Added stale bot workflow
• Reverse resolver introspection improvements (#498)

Version Bumps

• v1.6.1 and v1.6.2 version commits are included

Pull Requests

• #444 — Migrate deployment scripts to Hardhat v3 + Rocketh (2025-09-04)
• #469 — Deploy UR update (2025-08-18)
• #470 — Rename IERC7996 and Add ResolverCaller (2025-09-15)
• #472 — Add ShuffledGatewayProvider and tests (2025-09-15)
• #474 — Fixed deploy scripts (2025-08-28)
• #479 — Fix deploy script hooks (2025-09-10)
• #484 — Fix tests after merges (2025-09-15)
• #485 — Fix forked tests (2025-09-25)
• #489 — Add LibMem and Update NameCoder (2025-10-13)
• #490 — Fix NameWrapper Deploy Script Dependencies (2025-10-01)
• #494 — Fix deploy Multicall (2025-10-06)
• #495 — Fix allow shared deploys (2025-10-09)
• #496 — Fix nextLabel logic (2025-10-15)
• #497 — Add ICompositeExtendedResolver and IVerifiableResolver (2025-10-21)
• #498 — Improve Reverse Resolver Introspection (2025-12-08)
• #499 — Make CCIPBatcher respect Lookup w/FLAG_DONE (2025-10-29)
• #504 — Bump buffer (2025-11-26)
• #506 — Add VerifierChanged to IVerifiableResolver (2025-12-08)
• #507 — Add IExtendedDNSResolver to ResolverCaller (2025-12-08)
• #508 — Add IERC7996 support w/o features (2026-01-05)
• #509 — Replace EllipticCurve with EIP-7951 P-256 precompile for Algorithm 13 (2026-01-26)
• #513 — Update hardhat to 3.1.4 (2026-01-20)
• #517 — Security council contracts (2026-02-03)
• #518 — Security controller migrations (2026-02-05)
• #526 — Deploy RegistrarSecurityController and RootSecurityController (2026-03-10)
• #532 — Stale bot (2026-03-10)
• #533 — Fix typos in comments and docs (2026-03-10)
• #466 — Synchronize UniversalResolver docstrings with ENSIP-23 (2026-03-10)
• #503 — ENSIP-24 Resolver Profile for Arbitrary Data Resolution (2026-03-13)

Full Changelog: v1.6.0...v1.7.0