Performance improvements for Prepared Statements
Improved performance for Prepared Statements through caching (including prepared statement handle re-use). This behavior can be tuned using new properties to fit your application’s needs.
Azure Active Directory (AAD) support for Linux
Connect your Linux applications to Azure SQL Database using AAD authentication via username/password and access token methods.
Federal Information Processing Standard (FIPS) enabled Java virtual machines
The JDBC Driver can now be used on Java virtual machines (JVMs) that run in FIPS 140 compliance mode to meet federal standards and compliance.
Click through for more information, including a couple interesting features like additional timeouts you can set.