New features:

• Data Dictionary drilldown, including full table and view definitions, text search in dictionary, and decoding table and field numbers.

If you are not already a SQL Studio Premium subscriber, here is what you are missing:

• Querystring: Pass a set of key=value pairs to the query.  This is useful for testing queries that will have arguments passed to them from user input.
• Tabs
• Export buttons: One-click buttons for exporting a query to tlist_sql, sqlReport, or a PowerQuery
• Copy Data button: Copy the queried data to the clipboard