SQL Server Management Studio v 17.6 is released and available for download from below links
New Install – https://go.microsoft.com/fwlink/?linkid=870039
Upgrade from previous v 17.x – https://go.microsoft.com/fwlink/?linkid=870041
There are lot of fixes and changes in this release, for more information, Please visit
https://docs.microsoft.com/en-us/sql/ssms/sql-server-management-studio-changelog-ssms
The main highlight feature of this release is support for Azure SQL Database Managed Instance
Hope you find this information helpful !!!