Ionic 4 is now in Beta which brings breaking changes to your application - you can read about the benefits that Ionic 4 brings to the table here. This article will be a living document where I'll cover my experiences with Ionic 4, so please be prepared for new information to be added to this article and information to be removed (if it is not valid). .
Ionic 4 Documentation
Since Ionic 4 is in early beta there is very little documentation available...
