| ⇢ | A | LastRecalculation added |
| ⇢ | A | LastRecalculation::getVersion() added | |
| ⇢ | A | LastRecalculation::setVersion() added | |
| ⇢ | A | RankingSystem::getOpenSyncFromInProcess() added | |
| ⇢ | A | RankingSystem::setOpenSyncFromInProcess() added | |
| A | ↘ | B | RankingSystemService::recalculateRankingSystems() got worse |