| ⇢ | A | functions.global.php ➔ jetpack_register_migration_... added | |
| ⇢ | A | functions.global.php ➔ jetpack_store_migration_dat... added | |
| ⇢ | A | functions.global.php ➔ jetpack_get_migration_data(... added | |
| ⇢ | A | Jetpack_Sync_Module_Posts::get_importer_name() added | |
| B | ↘ | C | featured-images.php ➔ jetpack_featured_images_remo... got worse |
| A | ↘ | B | Jetpack_Sync_Module_Posts::wp_insert_post() got worse |
| B | ↛ | jetpack.php ➔ jetpack_index_permalinks_rest_api_ur... removed | |
| A | ↛ | image-widget.php ➔ jetpack_store_legacy_image_widg... removed | |
| A | ↛ | image-widget.php ➔ jetpack_get_legacy_image_widget... removed |