Experience the refreshed interface with the new Liquid Glass style in macOS Tahoe 26.
CotEditor 6.0.0-rc.2
release:
Improvements
rc: Update screenshots in the User Guide.
beta: Update the Portuguese localization.
Fixes
Fix an issue where the size of the Multiple Replace window is not stored.
rc Fix an issue where the cursor in the input fields within the Find window can move unexpectedly.
beta Fix an issue where the first multiple replace definition could be cleared when the setting window appears.
CotEditor 6.0.0-rc
release:
Improvements
Display the numbers of registered items below the lists in the syntax editor.
Deprecate the “Make Snake Case,” “Make Camel Case,” and “Make Pascal Case” commands in the Text > Transformations menu.
dev: Migrate the input fields in the Find window to SwiftUI.
non-AppStore ver.: Update Sparkle from 2.7.1 to 2.8.0-beta.3.
betadev: Update the build environment to Xcode 26.0 RC.
Fixes
beta: Fix an issue where the text color in the text fields within the Find window appears black in the dark mode.
beta Fix the border color of setting lists in the settings window in the dark mode.
CotEditor 6.0.0-beta.2
release:
Improvements
beta: Adjust the user interface.
beta: Avoid tinging folder with tags in the file browser on macOS 15.
beta: Tweak the application icon.
betadev: Update the build environment to Xcode 26.0 Beta 7.
CotEditor 6.0.0-beta
release:
New Features
Support macOS Tahoe 26.
Improvements
Change the system requirement to macOS 15 Sequoia and later.
Update the user interface on macOS 26 to the Liquid Glass style.
Update the application icon to the Liquid Glass style.
The options to highlight matching braces have been removed and they are now always highlighted.
Apply the text find highlighting to all split editors.
Move selected items to the Trash by the Delete action in the file browser.
Show also the file size of the previewed document in the status bar.
Deprecate the feature to change the editor opacity per window.
Deprecate the feature of installing a custom theme by simply opening the file in CotEditor.
Deprecate the “Hiragana to Katakana” and “Katakana to Hiragana” commands in the Text > Transformations menu.
Deprecate the “Draw separator” option for the line number view on macOS 26.
trivial: Rename the “Half-width to Full-width” and “Full-width to Half-width” commands to “Convert to Full Width” and “Convert to Half Width”, respectively.
trivial: Improve the behavior of Add/Remove buttons.
dev: Migrate the theme list and syntax list in the Settings to SwiftUI.
dev: Update the build environment to Xcode 26.0 Beta 6 (Swift 6.2, macOS 26 SDK).
non-AppStore ver.: Add an update badge to the “Check for Update” menu item if an update is available.