Download SSMS 17.6 and review the Release Notes to get started.
SSMS 17.6 provides support for almost all feature areas on SQL Server 2008 through the latest SQL Server 2017, which is now generally available.
In addition to enhancements and bug fixes, SSMS 17.6 comes with several exciting new features: •Added more support for Azure SQL Database Managed Instance. •Fixed a key performance issue in SMO where scripting tables on SQL Server 2016 took 30 seconds, but now take less than one second. •Object Explorer: Added settings to allow users not to force brackets around names when dragging and dropping from Object Explorer to Query Window. •Data Classification: Improvements and bug fixes.
SSMS 17.6 also includes key bug fixes to Always On, SMO, and Database mail, which can be found in the Release Notes.