#0  0x00007ffff6dcdb72 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#1  0x00007ffff6dcf88b in QQmlPropertyPrivate::writeValueProperty(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) ()
   from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#2  0x00007ffff6dcfa5b in QQmlProperty::write(QVariant const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#3  0x00007fffd916d41c in PropertyChange::restore(PropertyChange*) () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#4  0x00007fffd916d429 in PropertyChange::~PropertyChange() () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#5  0x00007fffd91837c4 in UCHeader::~UCHeader() () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#6  0x00007fffd9116944 in QQmlPrivate::QQmlElement<UCHeader>::~QQmlElement() () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#7  0x00007ffff69544fb in QObjectPrivate::deleteChildren (this=this@entry=0x2c10170) at kernel/qobject.cpp:1946
#8  0x00007ffff695dd70 in QObject::~QObject (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1024
#9  0x00007ffff7679a7d in QQuickItem::~QQuickItem() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fffd9119930 in QQmlPrivate::QQmlElement<UCPageTreeNode>::~QQmlElement() () from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#11 0x00007ffff6956e90 in QObject::event (this=0x2c10120, e=<optimised out>) at kernel/qobject.cpp:1230
#12 0x00007ffff76779db in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007ffff6927489 in QCoreApplication::notify (this=<optimised out>, receiver=<optimised out>, event=<optimised out>) at kernel/qcoreapplication.cpp:1038
#14 0x00007ffff69275bb in QCoreApplication::notifyInternal (this=0x7fffffffda30, receiver=0x2c10120, event=event@entry=0x2afe670) at kernel/qcoreapplication.cpp:965
#15 0x00007ffff69299b6 in QCoreApplication::sendEvent (event=0x2afe670, receiver=<optimised out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x651d60) at kernel/qcoreapplication.cpp:1593
#17 0x00007ffff6929e98 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#18 0x00007ffff697d643 in postEventSourceDispatch (s=0x774190) at kernel/qeventdispatcher_glib.cpp:271
#19 0x00007ffff7907127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ffff7907380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ffff790742c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ffff697da4f in QEventDispatcherGlib::processEvents (this=0x7883c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#23 0x00007ffff6924d7a in QEventLoop::exec (this=this@entry=0x7fffffffd880, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#24 0x00007ffff692ce1c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#25 0x000000000041f136 in main (argc=1, argv=0x7fffffffdbb8) at /home/jonas/Work/Canonical/SystemSettings/wd/src/main.cpp:100