v4.12.20

honojs/honov4.12.20May 19, 2026by yusukebe

AI Summary

Minor release with bug fixes for route mounting and JSX type handling. Includes two pull request fixes from community contributors.

Key Highlights

  • Fixed route base path preservation for mounted route() apps
  • Fixed JSX and jsxFn children type to be widened to Child[]

New Features

  • Fixed preservation of base path for mounted route() apps (PR #4942)
  • Fixed JSX children type widening to Child[] for jsx and jsxFn (PR #4947)

Full Release Notes

## What's Changed
* fix(route): preserve the base path of the mounted route() app by @usualoma in https://github.com/honojs/hono/pull/4942
* fix(jsx): widen jsx and jsxFn children to Child[] by @ashunar0 in https://github.com/honojs/hono/pull/4947

## New Contributors
* @ashunar0 made their first contribution in https://github.com/honojs/hono/pull/4947

**Full Changelog**: https://github.com/honojs/hono/compare/v4.12.19...v4.12.20