Open a folder in CotEditor to navigate its contents in the new sidebar.
macOS 15 Sequoia Support
Work perfectly with new macOS 15.
Apple Intelligence Ready
The upcoming Writing Tools by Apple Intelligence will work properly.
Donation
Support the CotEditor project by offering coffee to the developer.
CotEditor 5.0.0-rc
release:
New Features
Support Writing Tools with Apple Intelligence.
Improvements
beta: Adjust the window's appearance.
beta: Show icon image for alias files selected in the file browser.
beta: Add the Czech, Dutch, French, and Portuguese localizations for strings newly added in CotEditor 5.0.0.
Fixes
beta: Fix an issue that UNIX scripts failed to get the document object displayed in a window with the folder browser.
beta.3: Fix an issue that the editor unwontedly selects the nearest outline item when the Outline inspector is shown.
CotEditor 5.0.0-beta.3
release:
New Features
beta: Preview non-plain-text files.
beta: Support Quick Look in the file browser.
Improvements
Update C++ syntax (Thanks to Léo Natan!).
beta: Add the Sidebar submenu to the View menu.
beta: Improve the VoiceOver support in the sidebar.
beta: Enable selecting multiple items in the file browser.
beta: Restore the filename to the original one when the filename edited in the file browser is invalid.
beta: Avoid opening with CotEditor itself when performing the “Open with External Editor” command in the file browser.
beta: Copy dropped files when pressing the Option key while dragging files to the file browser.
beta: Improve the file drop feedback animation of the file browser.
beta: Add the Simplified Chinese, Traditional Chinese, Italian, Korean, Spanish, and Turkish localizations for strings newly added in CotEditor 5.0.0.
betadev: Update the build environment to Xcode 16.0 RC.
Fixes
beta: Fix an issue that dropping files to the editor inserted nothing.
beta.2: Address an issue on macOS 14 that folders in the file browser unwontedly closed when the user changed the folder structure.
Known Issues
Strings newly added are not yet localized in Czech, Dutch, French, and Portuguese.
CotEditor 5.0.0-beta.2
release:
Improvements
trivial: Better numbering when adding a new setting whose name is same as an existing one.
beta: Add the Duplicate and Share actions to the context menu for the sidebar.
bata: Make items in the sidebar copyable.
beta: Restore the expansion state of folders in the sidebar from the last session.
beta: Improve hidden file handling in the sidebar.
beta: Improve alias file handling in the sidebar.
beta: Enable opening directories from the cot command.
beta: Change the subtitle of document windows with the sidebar from the relative file path to the filename.
betatrivial: Adjust the layout of the About and What's New panels.
Fixes
beta: Fix an issue that the editor unwontedly selects the nearest outline item when the Outline inspector is shown.
beta: Fix an issue that the window subtitle did not update when the document was renamed.
beta: Address an issue on macOS 14 that the folder tree unwontedly closed when the user changed the folder structure.
Known Issues
Some strings added are not localized yet.
CotEditor 5.0.0-beta
release:
New Features
Support macOS 15 Sequoia.
Open folders in CotEditor and browse the folder contents from the new sidebar to switch documents.
AppStore ver.: Now, the user can donate to the CotEditor project via in-app purchase in the new Donate settings pane.
Add new “Select Enclosing Symbols” and “Split Selection by Lines” commands to the Edit > Select menu.
Add new “Show in Finder” command to the File menu.
Add new “Create Document in CotEditor” shortcut action.
Add the “Highlight” color to the CotEditor theme format.
Support the alpha channel for the current line in theme settings.
Add Korean localization (Thanks to Minseok Choe!).
Add Assembly syntax.
Add new “Resinifictrix (Dark)” theme.
Improvements
Change the system requirement to macOS 14 Sonoma and later.
Add “Select Column Up/Down“ commands to the Edit > Select menu.
Change the unit of character ranges handled in CotEditor Scripting for AppleScript from UTF-16 based to the Unicode grapheme cluster-based (This is to follow the specification change in AppleScript 2.0 introduced in Mac OS X 10.5).
Improve VoiceOver support in the Quick Action bar.
Update all the bundled themes to have the custom highlight color and a 70% opacity in the current line highlight.
Improve the performance of counting values in the editor for the status bar and the document inspector to avoid flicking of the display.
Set the editor's kerning to zero when a monospaced font is set via the font panel.
Update the cot command to ignore piped text if a file to open is specified.
Rename the “New CotEditor Document with Selection” service with “New CotEditor Window Containing Selection”.
Ignore empty outline items.
Avoid the theme loading error when a value is missing.
Make more table columns sortable.
Update the Swift syntax.
Improve the User Guide contents.
Remove Solarized themes from the bundle.
trivial: Organize the structure of the Edit menu.
trivial: Suppress display of the “Extracting” message on the navigation bar in instantaneous parsing.
trivial: Make names of code contributors in the About window selectable.
dev: Update the build environment to Xcode 16 (Swift 6, macOS 15 SDK).
dev: Migrate all unit tests to Swift Testing.
dev: Migrate the navigation bar and the Snippets settings view to SwiftUI.
dev: Update Yams from 5.1.2 to 5.1.3.
Fixes
Fix an issue that the rectangular selection cannot stop the selection just until the second line from the end.