Q. What screens are being cloned?
A. For all the post types (including ‘link’, ‘dashboard’ and custom post types):
- Metabox visibility, position and open/closed state.
- Number of columns on editing screen.
- Number of items per page.
- Columns in the list of the items.
Also:
- WP admin panel menu open/closed state.
- Dashboard items.
Q. What user meta values are being cloned?
A. Here’s a list of the basic and legacy items:
- wp_user-settings
- managelink-managercolumnshidden
- manageuploadcolumnshidden
- edit_per_page
- manageeditcolumnshidden
- wp_usersettings
- edit_pages_per_page
- manageeditpagescolumnshidden
- wp_metaboxorder_post
- wp_metaboxorder_page
- wp_metaboxorder_dashboard
Also all of this for all the posts types (post, page, attachment, revision) plus ‘link’, ‘dashboard’ and all the custom post types:
- metaboxhidden_TYPE
- closedpostboxes_TYPE
- screen_layout_TYPE
- meta-box-order_TYPE
- edit_TYPE_per_page
- manageedit-TYPEcolumnshidden
