Chronon is a Java DVR that records Java program execution, system independently. Vaadin Pro Account customers can use Chronon technology to record their problems and send them to Vaadin support for efficient diagnosis. With Chronon technology this can be made very securely without sending any company confidential source code outside company premises. With Chronon recordings Vaadin experts can solve customer problems very efficiently.

Details of the partnership on Vaadin blog:

https://vaadin.com/blog/-/blogs/vaadin-and-chronon-teams-up

and the details of how it happened on the Chronon blog:

http://eblog.chrononsystems.com/chronon-and-vaadin-join-forces