By default we're subscribing license holders to our mailing list.
After every major release we'll send you a notification email including important changes information.
If you'd like to be added(removed) to the list please create a request at https://extensi.atlassian.net/servicedesk/customer/portal/1
Additionally you can "watch" the plugin on the marketplace page.
Please go to the add-on page https://marketplace.atlassian.com/apps/1215334/agile-tools-filters-for-jira-software?hosting=server&tab=overview and select Watch add-on option