| ⇢ | A | Trigger added | 
| ⇢ | A | Output::getValidResponseForTriggerAtIndex() added | |
| ⇢ | A | Trigger::getText() added | |
| ⇢ | A | Trigger::getTopic() added | |
| ⇢ | A | Trigger::getRedirect() added | |
| ⇢ | A | Trigger::hasResponses() added | |
| ⇢ | A | Trigger::setRedirect() added | |
| ⇢ | A | Trigger::getOrder() added | |
| ⇢ | A | Trigger::__construct() added | |
| ⇢ | A | Trigger::getType() added | |
| ⇢ | A | Trigger::setOrder() added | |
| ⋮ | view more | ||
| B | ↘ | C | Output::processTopic() got worse | 
| A | ↛ | Output::getValidResponse() removed | |