The Ionic 4 vision is mighty. So great that I can’t imagine something similar on the market. If Ionic 3 was a way to create mobile applications, Ionic 4 is for creating all types of applications: mobile, web, desktop.
This is the list of resources for Ionic 4 Beta (4.0.2) released on 8 August 2018. There is no GA release yet, and some links are still not final.