coteditor/CotEditor 5.1.0 on GitHub

system requirements: macOS 14 and later

Append the nearest unique ancestor folder name to the document title if multiple documents with the same name are opened.
The new “prevent editing” command that prevents documents from being unintentionally edited.
Introduce the new AppleScript parameter editable to document objects.
Introduce the --readonly (-r) option to the cot command-line tool to open documents as read-only.
Read input from the standard input when the cot command-line tool is used with the - option.
Display Finder tags in the document inspector and the file browser.
Add the “text replacement” option to the Mode settings to disable the future in the editor.
Add the PowerShell syntax.

Show an alert and abort the import of setting files if they are not in a valid format.
Update the JSON syntax to include the .jsonl file extension.
Update the Fortrun syntax to include the .cuf file extension.
Update the PHP syntax.
Declare CotEditor can handle folders.
Improve the VoiceOver support.
Improve the stability.
[experimental] Improve the syntax highlighting algorithm for inline comments.
[dev] Update Yams from 5.1.3 to 5.3.1.
[non-AppStore ver.] Update Sparkle from 2.6.4 to 2.7.0.

Fix an issue in the AppleScript support where the print command is ignored.
Fixed an issue in CotEditor 5.0.8 where the file path argument passed to CotEditor scripts is percent-encoded.
Fix an issue in the Appearance settings pane where the alert about potential non-monospace fonts keeps appearing even after changing only the font size.
Fix an issue where the Settings window is not accessible from the Window menu.
Fix an issue on macOS 15 where newly created documents are mispositioned when the frontmost document is tiled.

Full Changelog: 5.0.8...5.1.0