Vaadin Differences between 7 and 14

We have a bunch of legacy Vaadin applications built using Vaadin 7. Now, we are looking to upgrade to Vaadin 14. So, we would like to first understand how Vaadin 14 is different from 7. We don’t want to run the Vaadin 17 in MPR. Looking for a full migration. So, let us know the differences . So, that we can identify the risks and plan our migration accordingly.

Some things you can use to get started:

You might also be interested in a Migration Assessment:

Thx for your answer. I didnt find it recently !