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Plans and ideas for LibPQ development

Project vision and values

LibPQ project was created to enable importing Power Query M language source code from plain text files located on file system or on the remote web server. As of version 1.0.0 that goal is achieved, but LibPQ development continues.

Current goals and values (in order of descending importance) are:

  • Maintaining LibPQ loader. This is the core functionality of LibPQ and it must remain fully operational in future versions of Power Query / PowerBI.
  • Ensuring backwards compatibility. LibPQ is there for other developers to use, and we should not interfere with the code they've built upon ours. This applies most strictly to the loader and the modules essential for internal use (e.g. UnitTest framework), other modules may see some breaking changes in future (that must always be documented in release notes and must be reflected in the release version number).
  • Improving import-time user experience. LibPQ already offers local module listing, parses module docstrings for viewing in the UI and correctly relays errors in modules' code, but there must be other methods to improve module discoverability and simplify their usage. If such methods are to be found, their implementation will be added to LibPQ development roadmap.
  • Extending the collection of useful modules. LibPQ allows anyone to start their own library of pre-recorded functions and queries. That library can be easily incorporated into any other workbook or report that uses LibPQ. That's why extending the collection of modules and functions that's packaged with LibPQ has the lowest priority. Only the most widely useful modules that solve the most general problems will be added to the Modules/ directory. Domain-specific collections of functions and queries are better suited for a separate project that relies on LibPQ for importing the source code.

Roadmap to the next release (probably 1.4.0)

There are no explicit plans for new features yet. This section will be futher updated in the development process. If you think something needs to be added or changed in LibPQ, please feel free to create an issue.

If no critical bugs are discovered and no breaking changes arrive with Power Query updates, the next (minor) release will most likely happen in 2022.