# Sanity JavaScript Client v8.0.0: Node 22+ ESM-only support and refined upload, proxy, and error handling

- Product: Sanity (https://whatsnew.fyi/product/sanity)
- Vendor: Sanity
- Date: 2026-08-12
- Original notes: https://www.sanity.io/docs/changelog/6c3650a7-8317-458f-bfa6-44c1ca4c9095
- Permalink: https://whatsnew.fyi/product/sanity/releases/2026-08-12-javascript-client-v8.0.0-node-22-esm-only-support

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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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@sanity/client v8 is the first step in modernizing the JavaScript client. For most users this will be an uneventful upgrade. The main exception is anyone still running end-of-life Node.js versions. Be…

- **changed** — Drop support for Node.js versions below 22
- **changed** — JavaScript client now requires ES modules (ESM) only
- **changed** — Refined upload handling
- **changed** — Refined proxy support
- **changed** — Refined error handling