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By default, unpublished content won’t be pushed to pulled by Content Sync. This is based on revisions in Drupal, so as long as a revision isn’t published, it won’t be syndicated. There’s one special use case however that we also support and that is to Explicitly unpublish content. So if you completely unpublish a content item, you usually want the Unpublished status to still be syndicated to your remote sites, so to unpublish it on all sites.
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