Add changes file for 5.9.0

Listing important changes and bug-fixes.

Change-Id: I75a18908315ea28cb669bc009cb55e7defd18a8d
Reviewed-by: Robin Burchell <robin.burchell@crimson.no>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

1 files changed, 122 insertions, 0 deletions

diff --git a/dist/changes-5.9.0 b/dist/changes-5.9.0
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+Qt 5.9 introduces many new features and improvements as well as bugfixes
+over the 5.8.x series. 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.
+
+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.
+
+****************************************************************************
+*                   Important Behavior Changes                             *
+****************************************************************************
+
+* qmlInfo now reports messages with a QtMsgType of QtInfoMsg instead of
+  QtWarningMsg. To continue to send warnings, callers should migrate to
+  the newly-introduced qmlWarning function.
+
+****************************************************************************
+*                          Library                                         *
+****************************************************************************
+
+QtQml
+-----
+
+ - The garbage collector has been rewritten to provide better memory
+   consumption, and improved, more predictable performance for JavaScript code.
+ - Array.prototype.find and Array.prototype.findIndex from ES6 are now implemented.
+ - Introduced qmlRegisterModule() that can be used to make a certain module
+   version available, even if no types or revisions are registered for that
+   version.
+ - Introduced qmlDebug & qmlWarning functions to qqmlinfo.h, in addition to
+   the pre-existing qmlInfo function. As a side effect, QQmlError has also
+   gained messageType() and setMessageType().
+ - [QTBUG-52013] Added QQmlEngine::offlineStorageDatabaseFilePath(dbName)
+   to allow getting the actual storage path for a particular database.
+ - [QTBUG-53091] Introduced Qt.application.displayName, to map the
+   QGuiApplication::applicationDisplayName property to QML.
+
+QtQuick
+-------
+
+ - Global:
+   * Improved stability of Animator's internals.
+   * [QTBUG-55496] Added a disk cache for OpenGL shaders to QtQuick.
+   * [QTBUG-58845] QWheelEvent delivered to all QQuickItems will now have a
+     correct global position.
+   * [QTBUG-57910] Touch events are now correctly ungrabbed if the touch event
+     was stolen by a parent item, such as a Flickable.
+   * [QTBUG-57098] Added Keys::shortcutOverride signal to allow prevention of
+     e.g. Shortcut from stealing key events.
+   * [QTBUG-56279] Added a shared memory image provider to conserve memory
+     when several processes use the same local image files.
+
+ - Window:
+   * [QTBUG-60232] Added QQuickWindow::sceneGraphBackend() to allow querying
+     which scene graph rendering backend is in use.
+   * [QTBUG-56115] Added a screen property to Window, which can be used to
+     declaratively associate a window with a specific screen. This is useful on
+     multi-screen embedded systems. Added Qt.application.screens as an array of
+     screens from which one can be chosen to assign to a Window. Added virtualX
+     and virtualY properties to Screen to enable querying the screen's position
+     within the virtual desktop.
+
+ - Items:
+   * [QTBUG-38515] Added horizontalOvershoot and verticalOvershoot
+     properties to Flickable, for use in implementing custom boundary actions and effects.
+   * [QTBUG-44762] Added a forceLayout method to Positioner types (Column, Row,
+     Flow, Grid) to force positioning of children to happen earlier. Additionally,
+     a positioningComplete signal has been added.
+   * [QTBUG-57203] Added TextInput::textEdited signal to distinguish user edits from
+     programmatical text changes.
+   * [QTBUG-42074][QTBUG-57003] Added support for characters in Private Use Area,
+     as well as zero-width joiners and zero-width non-joiners for TextInput and
+     TextEdit.
+   * [QTBUG-47662] Added MouseArea::pressAndHoldInterval to allow control over the
+     elapsed time before the pressAndHold signal is emitted.
+   * Item::grabToImage on an Image element will now work regardless of the
+     Image's sourceSize or cache properties.
+   * [QTBUG-52553][QTBUG-56501] Made it possible to enable horizontal
+     flicking in a vertical ListView, and vice versa. The only thing apps
+     must do is to specify the desired flick direction and the content
+     width (vertical ListView) or content height (horizontal ListView),
+     which is not calculated by ListView.
+   * Added Shortcut::sequences, to provide support for multiple different shortcut
+     sequences in a single Shortcut.
+   * Added rotation, ellipseDiameters and uniqueId properties to
+     MultiPointTouchArea.TouchPoint, and deprecated the area property.
+     A TouchPoint is now modeled as an ellipse centered on a point,
+     possibly rotated, depending on what the hardware and drivers support.
+     Android and the TUIO plugin support rotation and ellipseDiameters, for example.
+     The uniqueId is so far applicable only to the use of fiducials (tokens,
+     knobs or game pieces with hardware-based identification) on a TUIO touch surface.
+
+ - Accessibility:
+   * [QTBUG-58340] Fixed focus handling so that keyboard and VoiceOver's
+     virtual focus are in sync (QTBUG-58340).
+
+ - Text:
+   * Deprecated doLayout() in favor of forceLayout(), to improve consistency now
+     that more types (Positioners, Layouts, etc) have a forceLayout() method.
+   * [QTBUG-51133] Added fontInfo property to Text type, providing a way to
+     query properties of the actual font used for presenting the text.
+   * [QTBUG-58852] Text items with a renderType of Text.NativeRendering will no
+     longer stop rendering with a large number of characters.
+
+
+QtTest
+------
+
+ - [QTBUG-23083] Added TestCase::touchEvent to support simulating touch events
+   in tests.
+ - [QTBUG-56361] Added createTemporaryObject() and createTemporaryQmlObject()
+   functions to ensure that dynamically created objects can be destroyed at the
+   end of each test function.