v4.13.8

DavidHDev/react-bitsv4.13.8Sep 15, 2026by yusukebe

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AI Summary

This release focuses on performance optimizations and bug fixes, specifically improving JSX DOM reconciliation for large updates and fixing AWS Lambda streaming backpressure.

Key Highlights

  • Reduced lookup work for large keyed updates in JSX DOM
  • Fixed AWS Lambda streaming to respect backpressure
  • Fixed Accept header matching logic (quality, case-insensitivity)
  • Optimized matching-head child lookup during reconciliation

Full Release Notes

## What's Changed
* docs: fix typos in code comments and link third-party middleware section in https://github.com/honojs/hono/pull/5343
* perf(jsx/dom): reduce lookup work for large keyed updates in https://github.com/honojs/hono/pull/5340
* fix(aws-lambda): respect backpressure when streaming the response body in https://github.com/honojs/hono/pull/5351
* fix(accepts, language): skip accept entries with quality 0 when matching in https://github.com/honojs/hono/pull/5311
* fix(accept): treat the q parameter name as case-insensitive in https://github.com/honojs/hono/pull/5349
* fix(accept): clamp a negative q to 0, not 1 in https://github.com/honojs/hono/pull/5357
* fix(request): keep the request media type when reusing a cached body in https://github.com/honojs/hono/pull/5366
* docs(combine): fix except() JSDoc param and add missing @returns in https://github.com/honojs/hono/pull/5346
* perf(jsx/dom): optimize matching-head child lookup during reconciliation in https://github.com/honojs/hono/pull/5329

**Full Changelog**: https://github.com/honojs/hono/compare/v4.13.7...v4.13.8

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