The Connector/Python source code has been made compliant with PEP-8 to the extent possible.
Connection pooling did not correctly handle unavailable servers; for a connection that could not be established, it failed to return the connection to the pool. Now reconnection is attempted and if that fails, the connection is returned to the pool. (Bug #17578937)
There was a problem saving data containing the backslash character or 0x5c using multibyte character sets such as
gbk. To handle this, there is a new
HexLiteraltype. When a backslash is found in such as
gbkdata, the string is sent as a hexadecimal literal to MySQL. (Bug #69710, Bug #17079344)
Connection attempts failed on older versions of FreeBSD. (Bug #69088, Bug #17372107)