Managing Job and Route versions
When you create a Job or a Route in Talend Studio, by default its version is 0.1, where 0 stands for the major version and 1 for the minor version.
The following sections describe how to manage the version of a Job or Route.
You can also manage the version of several Jobs, Routes and/or other project items at the same time from the Project Settings dialog box. For more information, see Upgrading the version of project items and Removing old versions of project items.