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v4.0.0

rajnandan1/kenerv4.0.0Feb 24, 2026by rajnandan1

AI Summary

Kener v4.0.0 is a major version release that upgrades to Next.js 4 pre-alpha, adds Czech and Slovak language support, improves date handling with navigation controls, and includes various bug fixes for API connectivity and the API reference page.

Key Highlights

  • Major version upgrade from v3.2.19 to v4.0.0 with Next.js 4 pre-alpha
  • Added Czech and Slovak language support for internationalization
  • Improved date handling with new navigation controls
  • UI change: timestamp box now uses border styling
  • Bug fixes for API call connection handling and API reference page loading

Breaking Changes

  • This is a major version release with breaking changes (specific changes documented in PR #595)

New Features

  • Improved date handling with navigation controls
  • Timestamp display changed to use border styling
  • Added Czech language support
  • Added Slovak language support
  • Umami custom script source support
  • Documentation-writer Claude skill for creating high-quality docs
  • Improved API call connection handling to prevent downtime
  • Fixed API Reference page not loading issue

Full Release Notes

## What's Changed
* Feat: improve date handling and add navigation controls by @henb in https://github.com/rajnandan1/kener/pull/503
* feat: changes timestamp box to use border by @ramsaysewell in https://github.com/rajnandan1/kener/pull/534
* fix: improve API call connection handling to prevent downtime by @Aj7Ay in https://github.com/rajnandan1/kener/pull/531
* fix: API Reference page not loading (#532) by @Aj7Ay in https://github.com/rajnandan1/kener/pull/535
* Add Czech language support by @danynocz in https://github.com/rajnandan1/kener/pull/550
* Update Czech translation by @danynocz in https://github.com/rajnandan1/kener/pull/551
* Add documentation-writer Claude skill for creating high-quality Kener docs by @Claude in https://github.com/rajnandan1/kener/pull/575
* Umami custom script source by @vyPal in https://github.com/rajnandan1/kener/pull/576
* Add Slovak language support by @danynocz in https://github.com/rajnandan1/kener/pull/556
* Next/4 pre alpha by @rajnandan1 in https://github.com/rajnandan1/kener/pull/588
* docs: Include changelog for v4.0.0 release with breaking changes and … by @rajnandan1 in https://github.com/rajnandan1/kener/pull/595

## New Contributors
* @henb made their first contribution in https://github.com/rajnandan1/kener/pull/503
* @ramsaysewell made their first contribution in https://github.com/rajnandan1/kener/pull/534
* @Aj7Ay made their first contribution in https://github.com/rajnandan1/kener/pull/531
* @danynocz made their first contribution in https://github.com/rajnandan1/kener/pull/550
* @Claude made their first contribution in https://github.com/rajnandan1/kener/pull/575
* @vyPal made their first contribution in https://github.com/rajnandan1/kener/pull/576

**Full Changelog**: https://github.com/rajnandan1/kener/compare/3.2.19...v4.0.0