v4.12.23

OpenSignLabs/OpenSignv4.12.23May 25, 2026by yusukebe

AI Summary

This release focuses on bug fixes for file path handling, public API exports, and configuration options for the compression middleware.

Key Highlights

Fixed backslash normalization in `serve-static` to handle all backslashes in file paths.
Exported the `Context` class publicly to improve developer accessibility.
Added a `contentTypeFilter` option and `COMPRESSIBLE_CONTENT_TYPE_REGEX` re-export to the `compress` middleware.
Fixed IPv6 address compression logic to prevent single zero groups from being compressed to `::`.

New Features

Public export of the `Context` class.
Added `contentTypeFilter` option for the compress middleware.

Full Release Notes

## What's Changed
* fix(serve-static): normalize all backslashes in file paths, not just the first in https://github.com/honojs/hono/pull/4962
* feat(context): export the Context class publicly by @BlankParticle in https://github.com/honojs/hono/pull/4543
* docs(contribution): add AI Usage Policy by @yusukebe in https://github.com/honojs/hono/pull/4970
* feat(compress): add contentTypeFilter option and `COMPRESSIBLE_CONTENT_TYPE_REGEX` re-export by @na-trium-144 in https://github.com/honojs/hono/pull/4961
* fix(utils/ipaddr): do not compress a single 0 group to `::` by @yusukebe in https://github.com/honojs/hono/pull/4971

**Full Changelog**: https://github.com/honojs/hono/compare/v4.12.22...v4.12.23