| B | ↗ | A | Statement improved |
| D | ↗ | C | DB2Statement improved |
| C | ↗ | B | SQLSrvStatement improved |
| A | ↛ | PDOConnection::errorInfo() removed | |
| A | ↛ | PDOStatement::errorCode() removed | |
| A | ↛ | PDOConnection::errorCode() removed | |
| A | ↛ | PDOStatement::errorInfo() removed | |
| A | ↛ | MysqliStatement::errorInfo() removed | |
| A | ↛ | Connection::errorInfo() removed | |
| A | ↛ | MysqliStatement::errorCode() removed | |
| A | ↛ | Connection::errorCode() removed | |
| A | ↛ | MysqliConnection::errorInfo() removed | |
| A | ↛ | DB2Statement::errorCode() removed | |
| ⋮ | view more | ||