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v4.9.3

honojs/honov4.9.3Aug 22, 2025by yusukebe

AI Summary

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.

Key Highlights

  • Added modern CSRF protection with Fetch Metadata support
  • Introduced customFetch option for proxy functionality
  • Migrated tests to use vitest projects
  • Updated TypeScript to version 5.9.2
  • Added packageManager field to package.json

New Features

  • Modern CSRF protection with Fetch Metadata support
  • customFetch option to allow custom fetch function in proxy

Full Release Notes

## What's Changed
* feat(csrf): Add modern CSRF protection with Fetch Metadata support by @meck93 in https://github.com/honojs/hono/pull/4353
* tests: use vitest projects by @BarryThePenguin in https://github.com/honojs/hono/pull/4359
* feat(proxy): add `customFetch` option to allow custom fetch function by @yusukebe in https://github.com/honojs/hono/pull/4360
* chore: update `typescript` to `5.9.2` by @yusukebe in https://github.com/honojs/hono/pull/4362
* chore: add `packageManager` field to `package.json` by @yusukebe in https://github.com/honojs/hono/pull/4363


**Full Changelog**: https://github.com/honojs/hono/compare/v4.9.2...v4.9.3