| ⇢ | F | User_Agent_Info added | |
| ⇢ | F | Error_Handler added | |
| ⇢ | A | Broken_Token added | |
| ⇢ | A | PluginsHandlerTest added | |
| ⇢ | A | Error_Handler_Test added | |
| ⇢ | A | Jetpack_Tweetstorm_Helper added | |
| ⇢ | A | Version_Selector added | |
| ⇢ | A | VersionSelectorTest added | |
| ⇢ | A | Broken_Token_XmlRpc added | |
| ⇢ | A | WPCOM_REST_API_V2_Endpoint_Tweetstorm_Gather added | |
| ⋮ | view more | ||
| F | ↗ | B | Jetpack_User_Agent_Info improved | 
| A | ↛ | className_ABC removed | |