What's New

What's New on CotEditor 3.1.2

release: 2016-12-10

New Features

  • Add Scripting hook feature for document opening/saving (thanks to Kaito Udagawa!):
    • See “Adding scripting hooks for CotEditor scripts” from the Help menu > CotEditor Scripting Manual > “About Scripting” for details.
  • Support AppleScript's script bundle (.scptd) for scripting (thanks to Kaito Udagawa!).
  • Add a new AppleScript property expands tab for document object (thanks to Kaito Udagawa!).


  • Change the outline navigation arrows direction in the navigation bar if text orientation is vertical.
  • Add tooltips to the line endings menu in the toolbar.
  • Improve calculation of the vertical position of line numbers.
  • Tweak the behavior of the incompatible character table and the find result table to highlight the correspondent range in the editor every time when clicking a row in the table.
  • Update default settings about the visibility of invisible characters.
    • From this change, the invisible character settings can be reset. If so, please reset from the “Appearance” pane in the preferences.
  • non-AppStore ver.: Update Sparkle framework to version 1.15.1.


  • Fix a possible crash on changing document's encoding lossy.
  • Fix an issue where application crashed if syntax editor panel becomes too small.
  • Fix an issue where the print icon in the toolbar didn't work.
  • Fix an issue where editor views didn't update after changing the body font or the visibility of the other invisible characters.
  • Fix an issue where no error message raised when a text encoding reinterpretation failed.
  • Fix an issue where the current line highlight also highlights the last line when the cursor is in the second last line.
  • Fix an issue where the title of the menu item toggling invisible character visibility didn't reflect the frontmost window state.
  • Fix an issue where the text size slider in the Touch Bar didn't update if text size was updated excepting via Touch Bar while the slider is shown.
  • Address an issue with drawing area of zoomed character view in character inspector popover.
  • Fix a typo in the English menu


previous release notes

CotEditor (com.aynicoteditor) is a Mac software application that has been discovered and submitted by users of Software.com. The latest version that our users have reported running on their systems is CotEditor 3.1.2. The most popular version of this application used by our users is CotEditor 1.5.3.

Operating System: Mac

Default Install Path: /Applications/CotEditor.app