| ⇢ | A | ShallowDuplicating added | |
| ⇢ | A | TermsImporters added | |
| ⇢ | A | ImportLogger added | |
| ⇢ | A | Relations added | |
| ⇢ | A | AttachmentPathFinder added | |
| ⇢ | A | Service added | |
| ⇢ | A | ContentImporter added | |
| ⇢ | A | ImportCoordinates added | |
| ⇢ | A | Linking added | |
| ⇢ | A | AttachmentsImporters added | |
| ⋮ | view more | ||
| A | ↘ | B | MslsMetaBox got worse |
| ⇢ | C | MslsMetaBox::render_import_content_metabox() added | |
| ⇢ | C | ContentImporter::import_content() added | |
| ⇢ | B | ShallowDuplicating::import() added | |
| ⇢ | B | ContentImporter::on_wp_insert_post() added | |
| ⇢ | B | Linking::import() added | |
| ⇢ | B | ImportCoordinates::validate() added | |
| ⇢ | B | AttachmentPathFinder::has_import_data() added | |
| ⇢ | B | Duplicating::import() added | |
| ⇢ | A | AttachmentPathFinder::filter_src() added | |
| ⇢ | A | ContentImporter::parse_sources() added | |
| ⋮ | view more | ||
| A | ↘ | B | MslsMetaBox::add() got worse |