What's New on CotEditor 3.9.3



  • Significantly optimize the performance of text layout especially when pasting a relatively large amount of text.
  • Update JSON syntax style.
  • trivial: Tweak some UI styles.
  • dev: Update Yams from 2.0.0 to 3.0.1.


  • Fix an issue in the highlighting instances of selected text that the highlight shape spread wrongly when the selected text included line breaks.
  • Fix an issue in the syntax style editing that some keywords that can be parsed as a YAML object, such as true or null, were not stored as a string.

previous release notes