# ethers.js v6.15.0 — ethers/v6.15.0 (2025-07-01 11:24)

- Product: ethers.js (https://whatsnew.fyi/product/ethers-js)
- Vendor: ethers
- Date: 2025-07-02
- Version: v6.15.0
- Original notes: https://github.com/ethers-io/ethers.js/releases/tag/v6.15.0
- Permalink: https://whatsnew.fyi/product/ethers-js/releases/v6.15.0

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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- **changed** — Allow non-canonical S values in Signatures, moving validation errors to access-time

- Allow non-canonical S values in Signatures moving errors to access-time ([#5013](https://github.com/ethers-io/ethers.js/issues/5013); [9944ec9](https://github.com/ethers-io/ethers.js/commit/9944ec94b154b4f8fdfeefb81a1e47b28fd907bc)).