| B | ↘ | C | SyncService got worse |
| A | ↘ | B | SyncBackend got worse |
| ⇢ | C | SyncBackend::handleRemovedUsers() added | |
| ⇢ | A | SyncBackend::reEnableUsers() added | |
| ⇢ | A | SyncService::checkIfAccountReappeared() added | |
| ⇢ | A | SyncService::analyzeExistingUsers() added | |
| B | ↘ | C | SyncBackend::execute() got worse |
| A | ↘ | B | SyncBackend::syncSingleUser() got worse |
| C | ↛ | SyncBackend::handleUnknownUsers() removed | |
| A | ↛ | SyncService::getNoLongerExistingUsers() removed |