Improved network performance in Azure by 33-50%. Fully implemented in 2016.
Released to Accelerated Networking. As far as I understand, this is just SR-IOV in Azure. This functionality will be available not only for virtual machines, but also for some services (Azure SQL, Azure Storage) when it is fully implemented, no user action is required. For virtual machines . ')
Support for multiple VIP addresses on the ILB (internal load balancer), support for multiple IP addresses on a network interface card of a virtual machine, support for public IP for all network interface cards of a virtual machine (including via Load Balancer).
Azure DNS was published "in the light."
Improved security of the Application Gateway (end-to-end SSL encryption, user configurable SSL policies, routing rules) Public appraisal of Web Application Firewall, a service that is pre-configured to protect you \ your service from the most common types of attacks (according to the Open Web Application Security Project).
Graft Azure Monitor'a . Uses existing metrics and allows them to be viewed and further customized. Allows you to integrate with OMS \ Visual Studio Application Insights.
Network: User Defined Routes (similar functionality from Azure), VPN Gateway to communicate with Azure (and not only), iDNS (literally: a way to resolve DNS names of virtual machines inside the Azure Stack without configuring DNS)
Compute: Deallocate virtual machines (as in Azure, just turned off the virtual machine continues to spend your money, only the deallocated virtual machine is worthless), resizing disks, several network interfaces, reinstalling VM Extensions.
Portal: Regions for compute, network and storage appeared in Azure Stack. Preview of updates on the portal.
Other: Azure Site Recovery will be available in Azure Stack, Key Vault for storing secrets, “Billing and consumption APIs” for viewing relevant data (billing and waste \ consumption), new monitoring capabilities, BlockChain, multi-one-time deployment will be available only when you purchase verified iron solutions (HP, Lenovo, Dell).