Awesome plugin, really helpful!
Two similar issues which make the plugin a bit difficult to manage. I don't know if these are bugs or if this is the way the plugin functions.
1. When adding meta boxes with advanced custom fields these metaboxes appear under all post types in tabify, even when in acf they are only actually set to appear under a certain post type, eg I add a meta box through acf that appears on a custom post type. In tabify these metaboxes also appear under posts, pages and media.
2. I have removed some divs through functions.php eg
remove_meta_box( 'authordiv', 'page', 'normal' );
but the removed metaboxes still appear in tabify.
With both of these issues combined on post types that have 3 - 4 metaboxes in tabify I see 15 - 20 metaboxes.
Thanks for putting in the effort to make this plugin.