Sector 8.x-2.0-beta4 is the fourth beta Sector Starter Kit release on Drupal.org. In beta4, we have applied security and module updates, as well as improvements to the front-end to support the upcoming Sector Index A-Z release.
Sector 8.x-2.0-beta1 is the first beta Sector Starter Kit release on Drupal.org. It includes an all new sidewide search solution using the Search API and Facets modules as well as a set of new features and functionality.
A content audit is an inventory of your site. Content units are listed with related metadata, assessments, and actions to be taken. An audit can help you on your quest to publish useful and usable content that meets both audience and business needs.