Version 3.2 is released with many new features. Some of the key features are listed as per the below image:
This version is developed with latest Laravel 5.4 framework and it is written from scratch. There is almost change in every module and therefore the database is re-written from scratch. That's the release it is released as Major Release and you won't be able to upgrade it from any lower version. But if you already have purchase Employer Zone (Any Version) then you can always install a fresh Version 3.2 in your server.
You may need to enter all the employee details etc one time but you will certainly love the updates as this version has made the User Interface very easy. For all the future release, you will be able to upgrade the application without re-installing like Version 3.2