coteditor/CotEditor 6.2.3

on GitHub

system requirements: macOS 15 and later

New Features

• Add AppleScript support for folder document, including the current document property and forwarding of document commands.

Improvements

• Optimize the performance of scanning incompatible characters.
• Accept the JSON5 format when importing custom themes and multiple replace definitions.
• Improve the behavior of trailing whitespace trimming.
• Update the JSON syntax to highlight comments in the JSON5 format.
• Improve overall stability.
• [dev] Update the build environment to Xcode 26.3-rc.

Fixes

• Fix an issue where the app could crash when opening a large file while the Warnings inspector was open.
• Address an issue where the Save dialog for documents ignored the current syntax for the default file extension.
• [trivial] Fix the position of the Sidebar toolbar item.