http://wccftech.com/ios-11-1-beta-release-notes-for-iphone-ipad/

Here are the full iOS 11.1 Beta release notes for iPhone and iPad users as per Apple itself.

iOS 11.1 Beta was released a few moments back for registered developers and Apple has updated its developer portal with a set of release notes, highlighting what you will find in this build. Apparently, there’s nothing much under the hood apart from fixes. So rather than talking about them, here’s a first-hand look at the iOS 11.1 Beta release notes themselves.