| C | ↘ | F | ConvertType got worse | 
| ⇢ | A | ConvertType::getColumnTypes() added | |
| ⇢ | A | ConvertType::getExistingApps() added | |
| ⇢ | A | ConvertType::replayMigrations() added | |
| ⇢ | A | ConvertType::appHasMigrations() added | |
| A | ↘ | B | ConvertType::convertDB() got worse | 
| B | ↘ | D | ConvertType::copyTable() got worse |