| A | ↘ | B | EventDemand got worse |
| B | ↘ | C | EventRepository got worse |
| ⇢ | B | EventRepository::getCategoryConstraint() added | |
| ⇢ | A | EventRepository::setOrganisatorConstraint() added | |
| ⇢ | A | EventDemand::getOrganisator() added | |
| ⇢ | A | EventDemand::setOrganisator() added | |
| ⇢ | A | EventDemand::getCategoryConjunction() added | |
| ⇢ | A | EventDemand::setCategoryConjunction() added | |
| ⇢ | A | Event::getSpeaker() added | |
| ⇢ | A | Event::setSpeaker() added | |
| ⇢ | A | Event::addSpeaker() added | |
| ⇢ | A | Event::removeSpeaker() added | |
| A | ↘ | B | EventRepository::findDemanded() got worse |
| B | ↘ | C | EventController::handleEventNotFoundError() got worse |
| A | ↛ | OrganisatorRepository::initializeObject() removed | |
| A | ↛ | Speaker::__construct() removed | |
| A | ↛ | Speaker::addImage() removed | |
| A | ↛ | Speaker::removeImage() removed |