Many people have asked for running Cordova/Phonegap with Cookies and sharing with the system webbrowswer. In reading the What's new for iOS, Apple suggests using a new Class that can work for some developer. It is called SFSafariViewController.
While this new feature can be a potential security issue, it might make a valuable plugin.
Apple states:
While this new feature can be a potential security issue, it might make a valuable plugin.
Apple states:
SFSafariViewController can be used to display web content within your app. It shares cookies and other website data with Safari, and has many of Safari's great features, such as Safari AutoFill and Safari Reader. Unlike Safari itself, the SFSafariViewController UI is tailored for displaying a single page, featuring a Done button that takes users back to where they were in your app

