The Power Query SDK provides an M language service for Visual Studio, and a framework for building Data Connectors for Microsoft Power BI. This extension adds support for the .mproj project type as well as syntax highlighting and intellisense for .pq files.

For more information please see: https://aka.ms/DataConnectors

Update (1.0.0.13)

Fix issue with strong name verification

Update (1.0.0.10)

Fixes to default .mproj file in project template to include only the necessary files when packaging an extension

Initial release (1.0.0.9) – Developer Preview

M Language service (Intellisense and Syntax Highlighting for .pq files)
Adds .mproj support
Build produces Power Query extension files, compatible with Power BI Desktop
Data Connector project template
Run M queries and view results in Visual Studio
Support for OAuth and general credential management

Warning – Compatibility issue with Microsoft Analysis Services Projects extension and SQL Server Data Tools

We have a known compatibility issue with Analysis Services Tabular projects. If you use Data Connector and Tabular projects within the same Visual Studio session, you may encounter “Could not load type 'Microsoft.Mashup.Engine.Interface.MashupFileExtension'” or “Could not load file or assembly 'Microsoft.ProBI.MashupLibrary'” exception dialogs. Please see https://github.com/Microsoft/DataConnectors/issues/2 for more details.