Powerful, easy to use and secure diagramming tool at fair costs
See the documentation for your Release
2.3.3 Release Notes
Firefox 20 makes a subtle change that breaks diagram saving. This release prevents that happening, as well as making a change that will recover your diagram if it was incorrectly saved. Please remember that whilst using diagramly you should never encounter data loss and any such cases at treated as critical when submitted as tickets at support.draw.io. Apologies if you were affected by this.