| C | ↘ | D | WPCOM_JSON_API_Site_Settings_Endpoint got worse |
| A | ↘ | B | Jetpack_JITM got worse |
| ⇢ | D | Jetpack_JITM::prepare_jitms() added | |
| ⇢ | C | Jetpack_JITM::manage_pi_msg() added | |
| ⇢ | B | Jetpack_JITM::editor_msg() added | |
| ⇢ | A | Jetpack::refresh_theme_data() added | |
| ⇢ | A | Jetpack_Portfolio::get_project_author() added | |
| ⇢ | A | Jetpack::sync_theme_data() added | |
| ⇢ | A | Jetpack::featured_images_enabled() added | |
| C | ↘ | D | Jetpack_PostImages::from_thumbnail() got worse |
| D | ↘ | F | Jetpack_Portfolio::portfolio_shortcode() got worse |
| B | ↗ | A | Jetpack_JITM::__construct() improved |