| C | ↘ | D | Jetpack_Sync_Client got worse |
| ⇢ | B | Jetpack_Sync_Client::post_ids_to_posts() added | |
| ⇢ | A | Jetpack_Sync_Client::comment_ids_to_comments() added | |
| ⇢ | A | Jetpack_Sync_Client::group_metadata_by_post_id() added | |
| ⇢ | A | Jetpack_Sync_Client::get_post_metadata() added | |
| B | ↗ | A | Jetpack_Sync_Full::enqueue_all_posts() improved |
| A | ↘ | B | Jetpack_Sync_Utils::get_item_value() got worse |