-The first Qt 5.9.1 snapshots are available:
https://wiki.qt.io/How_to_get_snapshot_via_online_installer
The plan is to release 5.9.1 in June, and an upcoming 5.9.2 in August.
-A "plea" to drop support for MSVC 2013 compilers has been proposed on the development mailing list for 5.10:
http://lists.qt-project.org/pipermail/development/2017-June/030178.html
Posted by Jon Trulson