- The core IDE and editing experiences for C# and Visual Basic have been replaced with new experiences that are built on the .NET Compiler Platform "Roslyn." Generally, the experience should be unchanged. However, there are numerous small improvements.
- C# refactoring support has been completely revamped. There are two new core refactorings: Inline Temporary Variable and Introduce Explaining Variable. Additionally, refactoring support for Visual Basic has been added for the first time.
- You can use specific code-aware guidance for the Microsoft platforms and NuGet packages that you're targeting to obtain live code analysis and automatic fixes as you type.
- Includes support for Swift*
* Not Really