# ethers.js v6.17.0 — ethers/v6.17.0 (2026-06-18 00:49)

- Product: ethers.js (https://whatsnew.fyi/product/ethers-js)
- Vendor: ethers
- Date: 2026-06-18
- Version: v6.17.0
- Original notes: https://github.com/ethers-io/ethers.js/releases/tag/v6.17.0
- Permalink: https://whatsnew.fyi/product/ethers-js/releases/v6.17.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Add requestRate throttle to calls
- **added** — Provider requestRate throttle support
- **added** — transactionsRoot property to Block
- **added** — Rich inspection for Network and Plugins
- **added** — CCIP to ENS Universal Resolver reverse resolution
- **added** — Reverse lookup for ENS UniversalResolver
- **added** — Initial forward resolution using ENS UniversalResolver
- **added** — Basic ENSv2 tests and integrations
- **changed** — Use bigint for coinType instead of number values
- **changed** — Updated AlchemyProvider endpoints for BNB
- **changed** — Update Blockscout default API key and links
- **changed** — Preserve 301/302 method and support 307/308 redirects
- **changed** — Updated ENS Universal Resolver to latest API
- **changed** — Tweaking API for Universal Resolver to be completely backward compatible
- **fixed** — Map ResolverNotFound error to null for reverse lookup
- **fixed** — Fix maxFeePerGas property for EtherscanProvider transactions
- **fixed** — Fixed issues with EVM cointypes
- **removed** — Disable AlchemyProvider which does not provide the necessary API capacity for tests

- Add requestRate throttle to calls ([b48bfe3](https://github.com/ethers-io/ethers.js/commit/b48bfe34b11e059c4418718f9cad4e6cbe4c0680)).
- Added provider requestRate throttle support ([b74b6d3](https://github.com/ethers-io/ethers.js/commit/b74b6d39d413afb950ad20ca34d93aa735229d1b)).
- Disable AlchemyProvider which does not provide the necessary API capacity for tests ([1523ca8](https://github.com/ethers-io/ethers.js/commit/1523ca8af25c13c78588842404aea1e61a96fc26)).
- Map ResolverNotFound error to null for reverse lookup ([d07cfb6](https://github.com/ethers-io/ethers.js/commit/d07cfb67c750089d3a9ef4123eeb7e4634f04e08)).
- Use bigint for coinType instead of number values ([4f6ec03](https://github.com/ethers-io/ethers.js/commit/4f6ec037f886f719d991ec74dc0a182e91488e5a)).
- Updated AlchemyProvider endpoints for BNB ([9bec2f9](https://github.com/ethers-io/ethers.js/commit/9bec2f98f62fae84be8aebacc9d21fe7afc620fc)).
- Added basic ENSv2 tests and fixed issues with EVM cointypes ([0e9a73d](https://github.com/ethers-io/ethers.js/commit/0e9a73dc446572634ae004749d00d78b00f92b76)).
- Adding ENSv2 integrations from adraffy ([a2d0af4](https://github.com/ethers-io/ethers.js/commit/a2d0af4a2ecfe207f02e5497ef2fa95a83dba92a)).
- Update Blockscout deffault API key and links ([5647ae3](https://github.com/ethers-io/ethers.js/commit/5647ae3e7c06854c60e822616eb00575ee88bc89)).
- Added transactionsRoot to Block ([#5077](https://github.com/ethers-io/ethers.js/issues/5077), [#5078](https://github.com/ethers-io/ethers.js/issues/5078); [5bd2ce9](https://github.com/ethers-io/ethers.js/commit/5bd2ce9e50cc85bb93e3d6840a0fc2f434180a9f)).
- Preserve 301/302 method and support 307/308 ([#3106](https://github.com/ethers-io/ethers.js/issues/3106), [#5115](https://github.com/ethers-io/ethers.js/issues/5115); [999af5f](https://github.com/ethers-io/ethers.js/commit/999af5f5a8cc7211bd70d9e8414e1898b147636f)).
- Fix maxFeePerGas property for EtherscanProvider transactions ([#5080](https://github.com/ethers-io/ethers.js/issues/5080); [ca45d23](https://github.com/ethers-io/ethers.js/commit/ca45d2388944f098a7e1a341f6ccccab7bf0aba2)).
- Added rich inspection for Network and Plugins ([f2ffb86](https://github.com/ethers-io/ethers.js/commit/f2ffb865c5197d933b196f5039105df225c2d954)).
- Tweaking API for Universal Resolver to be completely backward compatible ([9a5c4b5](https://github.com/ethers-io/ethers.js/commit/9a5c4b5b97310cbb7ba95d9c90fe7f101d6c2442)).
- Updated ENS Universal Resolver to latest API ([0b3b12b](https://github.com/ethers-io/ethers.js/commit/0b3b12bc0b5581fe9ae9b269c8fcf1ea852e5122)).
- Added CCIP to ENS Universal Resolver reverse resolution ([982eef2](https://github.com/ethers-io/ethers.js/commit/982eef2561158d4a3a656ef4fd37073322983dc0)).
- Added reverse lookup for ENS UniversalResolver ([9a9a11d](https://github.com/ethers-io/ethers.js/commit/9a9a11d3da06f58653758b1739bca0681508f247)).
- Initial forward resolution using ENS UniversalResolver ([51df7b9](https://github.com/ethers-io/ethers.js/commit/51df7b95d04a33db6efe1807c4cd810f92dfdf49)).