For premium groups, if a table has an address column, viewing that table now defaults to a new Google Maps view. I've created an example table so that you can see it in action here:
Also, I've changed how tables are exported and imported. Now, Export Table returns a JSON object containing all the table information. And there's a new Import Table button that lets you generate a new table from a previous table export. You can still import CSV formatted rows into an existing table using the Import Rows button. Group exports now export tables using the new JSON object format.