The driver attribute was made optional with a default value of "auto". etl.text utility methods were added to format strings. The ability to execute multiple ETL files in Spring was added. The "exclude=true/false" attribute was added for the dialect tag. A NullpointerException in JEXL expressions if running in multiple threads was fixed. Inserting NULL values into a DB2 database was fixed. The onerror regex matching for message and type attributes was simplified. New drivers were added for IBM AS/400 and SqlSheet JDBC Excel driver. The CSV driver was improved. The opencsv library was replaced with a built-in implementation.