Qt 5.13 introduces many new features and improvements as well as bugfixes
over the 5.12.x series. For more details, refer to the online documentation
included in this distribution. The documentation is also available online:

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

The Qt version 5.13 series is binary compatible with the 5.12.x series.
Applications compiled for 5.12 will continue to run with 5.13.

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.

****************************************************************************
*                                 Controls                                 *
****************************************************************************

 - Added SplitView, a control that lays out items horizontally or vertically
   with a draggable splitter between each item.
 - Added cache property to icon.
 - [QTBUG-75072] ScrollBar: fixed value not changing when scrolling via
   VoiceOver.
 - [QTBUG-74661] QQuickComboBox: we no longer hide popup when it's focused.
 - [QTBUG-69096] Doc: expanded upon Pane's Content Sizing section.
 - [QTBUG-74902] Doc: added a Size section to explain StackView's sizing
   behavior.
 - [QTBUG-74688] SpinBox: fixed indicators being hovered when mouse is moved
   while pressed.
 - [QTBUG-74276] Fix SplitView crash when using certain attached properties.
