anchor.diff:  * The Users API v2 has been deprecated. This version of the API will be removed in a release scheduled for April 2019. Version 3 of the API is available, and users are encouraged to use it.
   * The System Admins API v1 has been deprecated. This version of the API will be removed in a release scheduled for April 2019. Version 2 of the API is available, and users are encouraged to use it.
   * The Roles API v1 has been deprecated. This version of the API will be removed in a release scheduled for April 2019. Version 2 of the API is available, and users are encouraged to use it.
  -* The Ubuntu 14.04 based docker image for gocd agent has been deprecated and will not be built after April 2019 release of GoCD. This will be done as Ubuntu 14.04 will reach end-of-life in April 2018.
  +* The Ubuntu 14.04 based docker image for gocd agent has been deprecated and will not be built after April 2019 release of GoCD. This will be done as Ubuntu 14.04 will reach end-of-life in April 2019.
   
   <h4>Breaking Changes</h4>
   
  
positive.code: 
  <h4>Note</h4>
  
  A more comprehensive list of changes for this release can be found <%= link_to_full_changelog 'here.', 'Release 19.1' %>
  
  Have ideas and want to contribute? Need some help getting started? We're here to help. Reach out to us at <%= mail_to 'support@thoughtworks.com' %>.
  
  
negative.code: </figure>
  <br/>
  
  This release of GoCD ships with a 'preview' version of the new users management page.
  
  This feature can be turned on by executing:
  
      curl 'https://your-go-server/go/api/admin/feature_toggles/users_page_using_rails' \
        -d toggle_value=off \
        -H 'Confirm:true' \
        -u username:password
  