How to update the plugin to the last version or t least a more recent version ?

Free update is available for users with a valid license.

To upgrade Users and Group Management for Project Manager:

  1. Log into your JIRA instance as a JIRA Administrator.

  2. Open admin drop-down and choose Atlassian Marketplace and the Manage add-ons screen loads.

    You can use keyboard shortcut: click g two times and start typing manage... Then select Manage Add-ons.

  3. Find plugin in a list of your installed add-ons and click the Update button that is displayed if an update is available.

    You can select Action required option on the Manage add-ons page to get a list of all available updates on your instance.