Share your thoughts on the New Power Query experience in Power BI Desktop (Preview)

A lot of my data sources are located in SharePoint sites with lots of files. The current version is un useable for me because I cannot filter or search the files in the folder. It also makes it difficult to combine files from SharePoint. I turned off the preview feature and hope that it does not become the default until these problems are addressed. I should not have to vote on something for you to realize that the problem needs to be addressed. But then Power BI isn't the only data analytics tool out there. There is always Tableau or Looker...