| F | ↗ | D | MigrateCommand improved |
| ⇢ | A | AbstractCommand::writeln() added | |
| ⇢ | A | AbstractCommand::setOutput() added | |
| ⇢ | A | AbstractCommand::setVerbosity() added | |
| C | ↘ | D | MigrateCommand::execute() got worse |
| A | ↛ | MigrateCommand::writeln() removed | |
| A | ↛ | MigrateCommand::setOutput() removed | |
| A | ↛ | MigrateCommand::setVerbosity() removed |