SQL Server 2016 -- New features

New Features in SQL Server 2016
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Always Encrypted
Dynamic Data Masking
JSON Support --Java Script Object Notation
Multiple TempDB Database Files
PolyBase
Query Store
Row Level Security
In-database R language support: Microsoft acquired Revolution Analytics
       --R Comes to SQL Server-- advance analytics Big data & SQL Server
Stretch Database
Temporal Table
In-Memory Enhancements --supporting foreign keys, check and unique constraints and parallelism.                                               -- Tables up to 2TB are now supported.
Parallel Data Warehouse Appliance, for more easily managing relational and non-relational data
Enhanced server management for Master Data Services
Enhanced hybrid backup to Azure and faster restores to SQL Server in Azure virtual machines
Improvements on AlwaysOn Availability Groups:
  --3 sync replicas, up from 2 in SQL 2014.
  --Listener will be able to do round-robin load balancing of read-only requests on multiple secondaries
Improvements on Columnstore Indexes



Additional details: sql server 2016 Features