| B | ↗ | A | core.emailmessage improved |
| B | ↗ | A | core.textmessage improved |
| ⇢ | A | core.wechatmessage.WechatMessageCollection.__init_... added | |
| F | ↗ | D | core.emailmessage.EmailMessageCollection.on_get() improved |
| F | ↗ | D | core.textmessage.TextMessageCollection.on_get() improved |
| C | ↗ | B | core.wechatmessage.WechatMessageItem.on_delete() improved |
| D | ↗ | B | core.emailmessage.EmailMessageItem.on_get() improved |
| D | ↗ | B | core.textmessage.TextMessageItem.on_get() improved |
| F | ↗ | B | core.emailmessage.EmailMessageItem.on_delete() improved |
| F | ↗ | B | core.textmessage.TextMessageItem.on_delete() improved |