released on December 6, 2018
released on November 8, 2018
released on October 25, 2018
API of the version 3.0 is not compatible with API v2.1.
Check the Migration article to get information about the usage of new API. If you feel like keep using the previous version for a while, the documentation for dhtmlxSpreadSheet v2.1 is still available.
The API of SpreadSheet has been changed and became more handy to work with. One more significant update is the total redesign of the component which gave a modern look to the interface of SpreadSheet. Together with the fresh appearance the usability of dhtmlxSpreadSheet is greatly enhanced.