The SharePoint team has been hard at work with great new updates rolled out in December 2018. This is the comprehensive recap for all things SharePoint, plus the Intrazone Roadmap Pitstop: December 2...
Updated Jan 18, 2019
Version 4.0
Blog Post
These updates are still rolling out.
The web part to web part connectors as far as I know have yet to be released even to first release tenants. So no one have them right now.