Qt5.7 iOS: qquicklayoutsplugin missing

qt-opensource-mac-x64-android-ios-5.7.0-beta_334.dmg

Run installer, open Creator and one of the QtQuick Control examples, compile and deploy to the device. Creator does deploy the application, but it is not launched, application output from Creator:
Starting remote process.
QML debugging is enabled. Only use this in a safe environment.
JIT is disabled for QML. Property bindings and animations will be very slow. Visit https://wiki.qt.io/V4 to learn about possible solutions for your platform.
QQmlApplicationEngine failed to load component
qrc:/qml/main.qml:57 Type ApplicationWindow unavailable
qrc:/qt-project.org/imports/QtQuick/Controls/ApplicationWindow.qml:43 module "QtQuick.Layouts" plugin "qquicklayoutsplugin" not found
exited with exit code -1,
Run ended.

If project is opened in xcode same error code is generated.