1.0 → 2.0

• API and data format is fully backward compatible
• onEventChanged and onEventAdded events will not fire during data loading
• Spanish locale renamed from locale_sp.js to locale_es.js
• drag_create option now control only ability to create new event by dnd, creating new event by dblclick now controlled by dblclick_create

2.0 → 2.1

• formatting rules was corrected, now %d and %m always return 2 digits, if you need the previous behavior you can use %j and %n accordingly
• path to files inside the package is changed a bit

     codebase/dhtmlxgrid_recurring.js => codebase/ext/dhtmlxgrid_recurring.js
     codebase/dhtmlxgrid_recurring.css=> codebase/ext/dhtmlxgrid_recurring.css
     codebase/dhtmlxgrid_units.js => codebase/ext/dhtmlxgrid_units.js