The DbCommandBuilder.QuoteIdentifer method was not implemented. (Bug #35492)

Setting the size of a string parameter after the value could cause an exception. (Bug #32094)

Creation of parameter objects with noninput direction using a constructor failed. This was cause by some old legacy code preventing their use. (Bug #32093)

A date string could be returned incorrectly by MySqlDateTime.ToString() when the date returned by MySQL was 0000-00-00 00:00:00. (Bug #32010)

A syntax error in a set of batch statements could leave the data adapter in a state that appears hung. (Bug #31930)

Installing over a failed uninstall of a previous version could result in multiple clients being registered in the machine.config. This would prevent certain aspects of the MySQL connection within Visual Studio to work properly. (Bug #31731)

Data cached from the connection string could return invalid information because the internal routines were not using case-sensitive semantics. This lead to updated connection string options not being recognized if they were of a different case than the existing cached values. (Bug #31433)

Column name metadata was not using the character set as defined within the connection string being used. (Bug #31185)

Memory usage could increase and decrease significantly when updating or inserting a large number of rows. (Bug #31090)

Commands executed from within the state change handler would fail with a NULL exception. (Bug #30964)

When running a stored procedure multiple times on the same connection, the memory usage could increase indefinitely. (Bug #30116)

The server error code was not updated in the Data[] hash, which prevented DbProviderFactory users from accessing the server error code. (Bug #27436)

Changing the connection string of a connection to one that changes the parameter marker after the connection had been assigned to a command but before the connection is opened could cause parameters to not be found. (Bug #13991)