Drafts of Post Revisions
Create drafts of WordPress posts/pages/CPTs even after they've been published. And when you're ready, merge the changes back into the original published post.
See Installing Plugins.
- Download the zip or clone the repo and drop it into your site's wp-content/plugins directory.
- Navigate to your site's Admin->Plugins section (wp-admin/plugins.php) and activate the plugin.
- Navigate to Settings->Draft Revisions to set up the permitted post types