hono Releases

This is a minor patch release (v4.9.11) for Hono that fixes a type regression introduced in v4.9.8 and introduces the new PreparedRegExpRouter for improved regular expression routing performance. The release also welcomes a new contributor, @aadito123.

Oct 11, 2025

This is a patch release (v4.9.10) that addresses two bug fixes: fixing a type regression in the context module related to issue #4427 by removing a non-public export, and sanitizing non-ASCII header values in AWS Lambda to prevent ByteString errors.

Oct 5, 2025

This is a minor patch release (v4.9.9) for Hono that focuses on fixing service-worker related issues and adding a small routing enhancement. The release includes bug fixes for generic types in service-worker handlers and a new feature to retrieve route paths at specific indices.

Sep 26, 2025

This is a minor patch release focused on type improvements and a bug fix. The update includes type refinements for JSONParsed, removal of SimplifyDeepArray from JSON types, and fixes to type definitions in hono-base, along with a fix for empty catch-all parameter handling.

Sep 18, 2025

This patch release addresses a critical security vulnerability in the `bodyLimit` middleware where body size limits could be bypassed when both `Content-Length` and `Transfer-Encoding` headers were present. Additionally, it fixes a bug where `parseResponse` was not parsing JSON correctly in React Native environments and adds tests for JWK token verification.

Sep 12, 2025

This is a critical security patch release addressing a vulnerability in URL path parsing (`getPath`) that could cause path confusion with malformed requests. Users relying on reverse proxies like Nginx for ACLs or endpoint restrictions should update immediately. The release contains only minor maintenance updates to router benchmarks.

Sep 3, 2025

This is a minor patch release (v4.9.5) for the Hono web framework that includes bug fixes and CORS enhancements. The release improves AWS Lambda query string handling, fixes service-worker fetch arguments, and adds async support for CORS origin and allowMethods options.

Aug 29, 2025

This is a minor patch release (v4.9.4) that includes a single maintenance chore to add a type cast to enable the `deno publish` workflow. No new features or breaking changes are included in this release.

Aug 22, 2025

Hono v4.9.3 introduces modern CSRF protection with Fetch Metadata support and adds a customFetch option to the proxy functionality. The release also includes testing infrastructure improvements by migrating to vitest projects and updates TypeScript to version 5.9.2.

Aug 22, 2025

This is a minor patch release (v4.9.2) focused on bug fixes. It includes a fix for the JSX 'plaintext-only' value support in the contenteditable attribute and resolves an issue with handling query parameters in the client's `removeIndexString` function.

Aug 15, 2025

This is a minor patch release (v4.9.1) for the Hono web framework that focuses on improving the parseResponse functionality. The release includes a new feature to set DetailedError.name and a bug fix to exclude error responses from results.

Aug 12, 2025

Hono v4.9.0 introduces the new `parseResponse` utility for RPC clients, along with various enhancements including JWT issuer validation, cookie generation helpers, JWK custom header support, and AWS Lambda binary content-type handling.

Aug 7, 2025

This major release introduces a significant architectural change by splitting the application into separate engine and client components. It also adds a new model type, fixes various configuration bugs, and implements comprehensive instrumentation tests.

Aug 5, 2025

This is a patch release (v4.8.12) for the Hono web framework that includes a single bug fix for the router to support the wildcard route pattern `/files/:name{.*}`. The fix was contributed by maintainer yusukebe and resolves an issue with wildcard path matching in file routes.

Aug 2, 2025

This is a patch release focusing on bug fixes and CI improvements. The update includes a type fix for `c.body()`, a service worker fix to pass `FetchEvent` as the second argument to `app.fetch`, and various CI maintenance updates including adding editorconfig-checker and upgrading Bun to version 1.2.19.

Aug 1, 2025

This is a minor maintenance release for Hono v4.8.10 that focuses on tooling improvements, type refinements, and a bug fix for cookie handling. The release adds EditorConfig support for consistent coding style across the project and updates adapter/service-worker types.

Jul 29, 2025

This is a patch release (v4.8.9) for the Hono web framework that fixes an issue with the `c.redirect` method to properly handle `isByteString`. The fix was contributed by the maintainer @yusukebe in PR #4307.

Jul 26, 2025

This is a minor patch release (v4.8.8) of the Hono web framework that includes a documentation improvement to simplify the README and a bug fix for the URL utility to prevent double encoding in the safeEncodeURI function.

Jul 25, 2025

This is a minor patch release (v4.8.7) for the Hono framework that addresses an internal tooling issue. The single change in this release is a maintenance task to fix the Deno version used for publishing to JSR (the JavaScript Registry). No user-facing changes, breaking changes, or new features are included.

Jul 25, 2025

This is a minor patch release (v4.8.6) of the Hono web framework that includes a performance optimization for types and a bug fix for redirect location encoding.

Jul 25, 2025