Yesterday, but since no one has yet written, here it is.
Of the main changes: Qt 4.7.1 includes bug fixes found in 4.7.0, and also adds Symbian OpenGL support. Qt Mobility 1.1.0 is a set of APIs and frameworks focused on developing applications for mobile platforms.
New API: Organizer, Versit / Organizer, Document Gallery, Feedback
Improved API: Location API is expanded by adding a certain Maps and Navigation API, camera control support has been added to the Multimedia API, the Service Framework API has received support for IPC service invocation.
MeeGo support
Work on Qt Solutions has also been discontinued, 9 solutions will be available from the GIT repository under the BSD license, the rest will not be available at all.