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CotEditor 7.1.1 is out! This is a regular maintenance release with minor bug fixes, but it also adds two new localizations: Hindi and Ukrainian! coteditor.com/releasenotes/7…

A tip for CotEditor on macOS 27: Automatic document naming in CotEditor 7.1 is actually a system-wide feature of macOS 27 Golden Gate. You can turn it off by deselecting “Suggest file names” in the Finder’s General settings.

CotEditor 7.1.0 is now available! This release adds support for macOS 27 Golden Gate, search across files in an open folder, Back/Forward navigation between folder documents, and per-Mode indentation settings. Requires macOS 26 or later. coteditor.com/releasenotes/7…

CotEditor 7.1.0-beta is out! 👀 This is a preview of the upcoming CotEditor 7.1.0 release, planned to ship alongside macOS 27 this fall. If you give it a try, I'd love to hear your feedback. The beta is available as a direct download from our website: coteditor.com/beta

I’ve released CotEditor 7.0.5. This release mainly focuses on bug fixes and stability improvements. The 7.0.x series is the last to support macOS 15. Unless new issues are found, 7.0.5 is expected to be the final release in the series. coteditor.com/releasenotes/7…

I’ve officially released CotEditor 7.0.0, a major update 🎉. This version brings substantial improvements to document parsing algorithms, including syntax highlighting and outline extraction, providing smarter and more reliable visualization than before. coteditor.com/releasenotes/7…

If you’ve created custom syntaxes, you may need to update your definitions, so please review the guide. coteditor.com/news/2026/CotE…

Released the first beta of CotEditor 7.0, the next major update. This version focuses on a substantial update of syntax analysis and also includes changes to the syntax definition format. Some built-in syntaxes are now tree-sitter-based. coteditor.com/beta

Released CotEditor 6.2.3, a regular maintenance update. This patch release fixes several issues and improves stability. coteditor.com/releasenotes/6…

Released CotEditor 6.2.2. This version introduces the --goto option, the syntax sugar of the --line and --column options to the cot command-line tool. Additionally, it enhances encoding detection and addresses minor issues related to outline extraction. coteditor.com/releasenotes/6…

CotEditor 6.2.1 has been released. It improves detailed behavior and fixes minor bugs. This will be the last release of the year. Thanks for your support this year. coteditor.com/releasenotes/6…

CotEditor 6.2.0 is out! 🎉 This release introduces new features such as exporting and importing settings, opening alias/symlink documents, and importing multiple replacement definitions in TSV format. The user guide has also been significantly updated. coteditor.com/releasenotes/6…

CotEditor 6.2.0-beta.3 is out. Added a new feature to create a multiple replace definition by importing a TSV file. (And yes, beta.2 was skipped due to a packaging mistake 😅) coteditor.com/beta

Next, I also released CotEditor 6.2.0-beta. This is still a pre-release version. It includes support for migrating settings, along with improvements to how aliases and symbolic links are handled. In addition, the built-in user guide was also updated. coteditor.com/releasenotes/6…

Released CotEditor 6.1.2, which fixes some small issues. coteditor.com/releasenotes/6…

CotEditor 6.1.0 has just been released! 🎉 This version focuses on adding two features: filtering filenames in the file browser and customizing comment-out behavior. coteditor.com/releasenotes/6…

just released CotEditor 6.0.4, which includes a lot of small improvements, adjustments for macOS 26, and fixes. It also adopts new system security features introduced on macOS 26. coteditor.com/releasenotes/6…

Released CotEditor 6.0.3 as well as 6.0.2. These versions fix issues mainly in Tahoe. coteditor.com/releasenotes/6…

CotEditor 6.0.0 has just been released. This version supports macOS Tahoe 26 and the minimum system requirement is now updated to macOS 15. coteditor.com/releasenotes/6…

We’ve released the first prerelease version of CotEditor 6.0.0 on our website. This version is designed to support the new UI-look on macOS Tahoe 26. coteditor.com/beta.html