Qt 5.12.9 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.12.0 through 5.12.8.

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 5.12 series is binary compatible with the 5.11.x series.
Applications compiled for 5.11 will continue to run with 5.12.

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.

****************************************************************************
*                                  QtQml                                   *
****************************************************************************

 - [Coverity 175402] Refactored some code so that Coverity and future human
   readers can understand it.
 - [Coverity 190701] Standardized QV4_SHOW_BYTECODE output for JS classes.
 - [Coverity 193545] Fixed a dangling pointer dereference when getting
   QML property values from dynamic accessors.
 - [QTBUG-81581][QTBUG-83384] Fixed various crashes related to the JavaScript
   accumulator register.
 - JavaScript's isSafeInteger() covers a sensible range now. Before it
   flagged anything greater than 55 as unsafe.
 - [QTBUG-84095] Fixed a crash on QML context destruction.

****************************************************************************
*                                 QtQuick                                  *
****************************************************************************

 - [Coverity 218729] If setting a new root item on QQuickView fails, the
   old one is no longer deleted.
 - [QTBUG-73929][QTBUG-82474] Fixed a crash by releasing resources while
   closing a window.
 - [QTBUG-40220][QTBUG-83856] Recursive loops caused by items that call
   polish() within updatePolish() are now detected and terminated earlier.
 - [QTBUG-55879][QTBUG-79339] Fixed QQuickItem::grabToImage() with
   QQuickWidget and QQuickRenderControl.
