The software described herein is deprecated and is no longer updated. We recommend using CKEditor 5 with collaboration features instead.
Visit the collaboration samples repository for practical solutions. Also, visit the Online builder if you would rather prepare a custom CKEditor 5 build with collaboration enabled.
Letters works in all major modern browsers: Chrome, Firefox, Safari, and Edge. However, for the best editing experience we recommend using Google Chrome.
Refer to the CKEditor 5 Browser compatibility article for more details.