Throw SQLExceptions when trying to do operations on a forcefully closed Connection (that is, when a communication link failure occurs).

Fixed ResultSet.getTimestamp() when underlying field is of type DATE.

Fixed escaping of 0x5c ('\') character for GBK and Big5 charsets.

Don't reset Connection.isReadOnly() when autoReconnecting.

Ensure that packet size from alignPacketSize() does not exceed max_allowed_packet (JVM bug)

Don't pick up indexes that start with pri as primary keys for DBMD.getPrimaryKeys().

Fixed LOAD DATA LOCAL INFILE bug when file > max_allowed_packet.

Updatable ResultSets can now be created for aliased tables/columns when connected to MySQL-4.1 or newer.

Fixed missing conversion for YEAR type in ResultSetMetaData.getColumnTypeName().

Remove synchronization from Driver.connect() and Driver.acceptsUrl().

IOExceptions during a transaction now cause the Connection to be closed.

Fixed StringIndexOutOfBoundsException in PreparedStatement.setClob().

Fixed MysqlPooledConnection.close() calling wrong event type.

4.1 Column Metadata fixes.

You can now toggle profiling on/off using Connection.setProfileSql(boolean).

Fixed charset issues with database metadata (charset was not getting set correctly).