CotEditor 4.3.1


New Features

  • Add new Shuffle command to the Text > Lines submenu.


  • Optimize the performance for editor splitting.
  • Avoid sluggishness by incremental search in large documents.
  • Optimize the performance of highlighting selected text instances.
  • Remove the limitation to highlight a large number of instances of the selected text.
  • Scroll the editor by the Move Line Up/Down commands so that the moved lines are visible.
  • Change the behavior of the metacharacter \v in the regular expression for text search to confirm with the current ICU specification.
  • Update Swift syntax style to add keywords.
  • trivial: Update French localization.


  • Fix an issue that memory rarely leaks on closing documents.

previous release notes