v4.13.4

honojs/honov4.13.4Aug 24, 2026by yusukebe

AI Summary

A maintenance release focusing on bug fixes for client request handling, routing, ETag matching, and stream utilities. It resolves issues with wildcard middleware, abort listeners, and cookie parsing.

Key Highlights

Fixed wildcard middleware association with matching routes.
Fixed client request handling for undefined headers, cookies, and query/form arrays.
Fixed ETag matching with optional whitespace before commas.
Fixed abort listeners crashing the `abort()` function in stream utilities.

Full Release Notes

## What's Changed
* fix(request): handle params on unmatched requests in https://github.com/honojs/hono/pull/5268
* fix(jsx/dom): execute previous ref cleanup when ref prop changes on re-render  in https://github.com/honojs/hono/pull/5264
* fix(reg-exp-router): associate wildcard middleware with matching routes in https://github.com/honojs/hono/pull/5266
* perf(router): share null object creation in https://github.com/honojs/hono/pull/5267
* fix(etag): match If-None-Match tags with optional whitespace before the comma in https://github.com/honojs/hono/pull/5222
* fix(client): skip undefined header and cookie values in https://github.com/honojs/hono/pull/5244
* fix(client): skip an undefined entry inside a query array in https://github.com/honojs/hono/pull/5272
* fix(client): skip an undefined entry inside a form array in https://github.com/honojs/hono/pull/5280
* fix(client): support custom buildSearchParams and filter undefined query in $ws() bin https://github.com/honojs/hono/pull/5256
* fix(accepts): support wildcard media types and specificity ordering in defaultMatch in https://github.com/honojs/hono/pull/5255
* fix(client): omit empty query delimiter in https://github.com/honojs/hono/pull/5283
* fix(request): drop stale content length for cloned FormData in https://github.com/honojs/hono/pull/5282
* fix(request): serialize cached JSON body in cloneRawRequest in https://github.com/honojs/hono/pull/5288
* fix(cookie): allow parsing signed cookies with empty string values in https://github.com/honojs/hono/pull/5246
* fix(utils/stream): do not let abort listeners crash abort() in https://github.com/honojs/hono/pull/5274

**Full Changelog**: https://github.com/honojs/hono/compare/v4.13.3...v4.13.4