# Hono v4.12.30

- Product: Hono (https://whatsnew.fyi/product/hono)
- Vendor: Hono
- Date: 2026-07-13
- Version: v4.12.30
- Original notes: https://github.com/honojs/hono/releases/tag/v4.12.30
- Permalink: https://whatsnew.fyi/product/hono/releases/v4.12.30

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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- **fixed** — Deduplicate Cache-Control directives case-insensitively
- **fixed** — Do not compress 206 Partial Content responses
- **fixed** — Prevent replaceUrlParam from matching a param that prefixes another
- **fixed** — Set duplex when forwarding a stream body in query mode for method-override

##### What's Changed
* chore(benchmark/routers): bump deps in https://github.com/honojs/hono/pull/5107
* chore(benchmark): remove not used benchmarks in https://github.com/honojs/hono/pull/5108
* chore: update to ts6 in prep for ts7 in https://github.com/honojs/hono/pull/5104
* fix(cache): deduplicate Cache-Control directives case-insensitively in https://github.com/honojs/hono/pull/5025
* fix(compress): do not compress 206 Partial Content responses in https://github.com/honojs/hono/pull/5020
* fix(client): replaceUrlParam should not match a param that prefixes another in https://github.com/honojs/hono/pull/5096
* fix(method-override): set duplex when forwarding a stream body in query mode in https://github.com/honojs/hono/pull/5110

**Full Changelog**: https://github.com/honojs/hono/compare/v4.12.29...v4.12.30