: Experimental support for C++ Modules was refined to make more code "just work" compared to Update 1. It also included performance and correctness fixes for the C++17-aimed Standard Template Library (STL). Cross-Platform and Mobile Development
Language support saw substantial upgrades, particularly for C++ and TypeScript: visual-studio-2015-update-2-professional
: Streamlined experiences for building cross-platform apps targeting iOS and Android using one shared project. : Experimental support for C++ Modules was refined
Update 2 introduced several "under-the-hood" enhancements designed to reduce friction in large-scale development: visual-studio-2015-update-2-professional
Update 2 continued Microsoft's push into mobile and cloud-first development:
: Updated tools for Python (v2.2.3) and Node.js (v1.2 Alpha) provided better IntelliSense and debugging for modern frameworks like Django and ES6.