Qt 5.9.3 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.9.0.

For more details, refer to the online documentation included in this
distribution. The documentation is also available online:

http://doc.qt.io/qt-5/index.html

The Qt version 5.9 series is binary compatible with the 5.8.x series.
Applications compiled for 5.8 will continue to run with 5.9. Exception:
between Qt 5.8.0 and 5.9.0 the QWaylandQuickOutput class was changed
in a binary incompatible way.

Some of the changes listed in this file include issue tracking numbers
corresponding to tasks in the Qt Bug Tracker:

https://bugreports.qt.io/

Each of these identifiers can be entered in the bug tracker to obtain more
information about a particular change.


****************************************************************************
*                      Qt Wayland QPA Plugin 5.9.3 Changes                 *
****************************************************************************

 - Fix crash when wl-shell setType is called with a hidden parent.

 - [QTBUG-63840] Fix crash with XDG shell v6 when parent of popup is not
   initialized.

 - Fix flickering if backing store is flushed multiple times between paints.

****************************************************************************
*                    Qt Wayland Compositor API 5.9.3 Changes               *
****************************************************************************

- [QTBUG-63208] Fix crash after destroying view with mouse focus

- [QTBUG-63039] Make multi-threaded QML compositors work with Nvidia
  EGLStreams. Note: this requires setting the Qt::AA_ShareOpenGLContexts
  application attribute.

- Add missing signals for properties:
   * QWaylandSurface::cursorSurfaceChanged
   * QWaylandOutput::windowChanged
   * QWaylandOutput::geometryChanged
   * QWaylandOutput::availableGeometryChanged
   * QWaylandCompositor::socketNameChanged

- [QTBUG-62638] Make sure mask is applied when window is reset.