| ⇢ | B | ShowResearchTree::addResearch() added | |
| ⇢ | A | SatisfiedWorkerRanking::retrieveEmployerList() added | |
| ⇢ | A | ResearchModeEnum::getTechtreeEdgeColor() added | |
| ⇢ | A | ResearchDependencyRepository::getByDependingResear... added | |
| ⇢ | A | ShowResearchTree::addEdge() added | |
| ⇢ | A | ErrorHandler::registerHandlers() added | |
| B | ↗ | A | ShowResearchTree::handle() improved |
| A | ↛ | ResearchRepository::getForFaction() removed |