The method for retrieving stored procedure metadata has been changed so that users without SELECT privileges on the mysql.proc table can use a stored procedure.

Stored procedures are now cached.

When working with multiple threads, character set initialization would generate errors. (Bug #17106)

When using MySqlDataAdapter, connections to a MySQL server may remain open and active, even though the use of the connection has been completed and the data received. (Bug #8131)

Submitting an empty string to a command object through prepare raises an System.IndexOutOfRangeException, rather than a MySQL Connector/Net exception. (Bug #18391)

Called MySqlCommandBuilder.DeriveParameters for a stored procedure that has no paramers would cause an application crash. (Bug #15077)

The connection string parser did not permit single or double quotation marks in the password. (Bug #16659)

The CommandBuilder ignored Unsigned flag at Parameter creation. (Bug #17375)

Executing multiple queries as part of a transaction returns There is already an openDataReader associated with this Connection which must be closed first. (Bug #7248)

CHAR type added to MySqlDbType. (Bug #17749)

Using ExecuteScalar with a datetime field, where the value of the field is "0000-00-00 00:00:00", a MySqlConversionException exception would be raised. (Bug #11991)

Parameter substitution in queries where the order of parameters and table fields did not match would substitute incorrect values. (Bug #19261)

The MySqlDateTime class did not contain constructors. (Bug #15112)

When running a query that included a date comparison, a DateReader error would be raised. (Bug #19481)

When using an unsigned 64-bit integer in a stored procedure, the unsigned bit would be lost stored. (Bug #16934)

Incorrect field/data lengths could be returned for VARCHAR UTF8 columns. (Bug #14592)

A SELECT query on a table with a date with a value of '0000-00-00' would hang the application. (Bug #17736)

You can now install the MySQL Connector/Net MSI package from the command line using the /passive, /quiet, /q options. (Bug #19994)

An MySql.Data.Types.MySqlConversionException would be raised when trying to update a row that contained a date field, where the date field contained a zero value (0000-00-00 00:00:00). (Bug #9619)

The DiscoverParameters function would fail when a stored procedure used a NUMERIC parameter type. (Bug #19515)

Unsigned data types were not properly supported. (Bug #16788)

The # would not be accepted within column/table names, even though it was valid. (Bug #21521)

DataReader would show the value of the previous row (or last row with nonnull data) if the current row contained a datetime field with a null value. (Bug #16884)

IDataRecord.GetString would raise NullPointerException for null values in returned rows. Method now throws SqlNullValueException. (Bug #19294)

MySQL Connector/Net on a Turkish operating system, may fail to execute certain SQL statements correctly. (Bug #22452)

Calling Close on a connection after calling a stored procedure would trigger a NullReferenceException. (Bug #20581)

An exception would be raised when using an output parameter to a System.String value. (Bug #17814)