| A | ↛ | Converse removed |
| ⇢ | A | ConversationManager::converse() added | |
| ⇢ | A | ConversationManager::transition() added | |
| ⇢ | A | ConversationManager::restart() added | |
| ⇢ | A | ConversationManager::setReceivedMessage() added | |
| B | ↗ | A | HandleConversation::handle() improved |
| A | ↛ | Converse::__construct() removed | |
| A | ↛ | Converse::handle() removed |