• Selection: Fixed accidental deletion of referenced cached rows when emptyResultSet is called (#187)(#207)
• SqlBuilder: added method resetSelect (#146)
• Fixed Helpers::dumpResult with non-string values (#204)
• Connection, Context: added fetchFields()
• SqlPreprocessor: strings are always passed via bindValue() (possible BC break)
• SqlPreprocessor: PDO::quote() returns false for ODBC driver #202
• OdbcDriver: doesn't support meta
• MySqlDriver: Fix PDO::ATTR_CASE (#199)
• added Connection::getLastQueryString()
• appveyor: is unable to start MSSQL 2008, 2012 & 2014 together

For the details you can have a look at the diff.