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Qt 5.3.2 Reference Documentation</li>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#new-modules">New Modules</a></li>
<li class="level1"><a href="#new-platforms">New Platforms</a></li>
<li class="level1"><a href="#new-features">New Features</a></li>
<li class="level2"><a href="#qt-core">Qt Core</a></li>
<li class="level2"><a href="#qt-gui">Qt GUI</a></li>
<li class="level2"><a href="#qt-quick">Qt Quick</a></li>
<li class="level2"><a href="#qt-quick-controls">Qt Quick Controls</a></li>
<li class="level2"><a href="#qt-quick-dialogs">Qt Quick Dialogs</a></li>
<li class="level2"><a href="#qt-network">Qt Network</a></li>
<li class="level2"><a href="#qt-multimedia">Qt Multimedia</a></li>
<li class="level2"><a href="#qt-webkit">Qt WebKit</a></li>
<li class="level2"><a href="#qt-positioning">Qt Positioning</a></li>
<li class="level2"><a href="#qt-bluetooth">Qt Bluetooth</a></li>
<li class="level2"><a href="#qt-qml">Qt QML</a></li>
<li class="level2"><a href="#xinput2-smooth-scrolling">XInput2 Smooth Scrolling</a></li>
<li class="level1"><a href="#qt-creator-3-1">Qt Creator 3.1</a></li>
<li class="level2"><a href="#winrt-plugin">WinRT Plugin</a></li>
<li class="level2"><a href="#editors">Editors</a></li>
<li class="level2"><a href="#c">C++</a></li>
<li class="level2"><a href="#ios">iOS</a></li>
<li class="level2"><a href="#qml">QML</a></li>
<li class="level2"><a href="#debugger">Debugger</a></li>
<li class="level2"><a href="#devices">Devices</a></li>
<li class="level1"><a href="#list-of-api-changes">List of API Changes</a></li>
<li class="level1"><a href="#additions-to-other-qt-5-releases">Additions to Other Qt 5 Releases</a></li>
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<h1 class="title">What's New in Qt 5.3</h1>
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<p>The focus for Qt 5.3 is mainly about improving the stability, performance, and first-time user experience of the product. Qt 5.3 will also offer a good amount of new and exciting features, and a new platform: <a href="build-sources.html#winrt">WinRT</a>/Windows Phone.</p>
<p>This page is a summary of new features. For specific API changes, the <a href="#list-of-api-changes">List of API Changes</a> section contains links to new and obsolete classes.</p>
<a name="new-modules"></a>
<h2>New Modules</h2>
<ul>
<li><a href="../qtenginiooverview/enginio-index.html">Enginio</a> - A client-side library for <a href="http://engin.io">Enginio Data Storage</a>.</li>
<li><a href="../qtwebsockets/qtwebsockets-index.html">Qt WebSockets</a> - An add-on module that implements the <a href="../qtwebsockets/qml-qt-websockets-websocket.html">WebSocket</a> standard <a href="http://tools.ietf.org/html/rfc6455">RFC 6455</a></li>
</ul>
<p>For more information, visit the <a href="qtmodules.html">All Modules</a> page.</p>
<a name="new-platforms"></a>
<h2>New Platforms</h2>
<p>Qt 5.3 introduces support for <a href="build-sources.html#winrt">WinRT</a> and Windows Phone on a beta quality level. Most features in Qt Core, GUI, Network, Widgets, QML, Quick, and Sensors are already working.</p>
<ul>
<li>Windows Runtime platforms: Windows 8/RT (Modern UI), Windows Phone 8. The documentation is available at <a href="winrt-support.html">Qt for WinRT</a>.</li>
</ul>
<a name="new-features"></a>
<h2>New Features</h2>
<a name="qt-core"></a>
<h3>Qt Core</h3>
<ul>
<li>Logging: It is now possible to configure logging rules (for example, the message types for which categories are printed) on the filesystem or in <i>QtProject/qtlogging.ini</i>. You can also use qCDebug and friends in a printf-style way, in addition to the streaming operator syntax.</li>
</ul>
<a name="qt-gui"></a>
<h3>Qt GUI</h3>
<ul>
<li>Qt's iOS plugin now implements support for input methods, spell checking and word completion.</li>
<li>Embedded Linux platform specifics (plugins like eglfs and linuxfb) are now documented.</li>
</ul>
<a name="qt-quick"></a>
<h3>Qt Quick</h3>
<ul>
<li>Introduced <a href="../qtquick/qquickwidget.html">QQuickWidget</a> for easy and flexibe integration of views with <a href="../qtwidgets/qwidget.html">QWidget</a>-based UIs.</li>
</ul>
<a name="qt-quick-controls"></a>
<h3>Qt Quick Controls</h3>
<ul>
<li>The <a href="../qtquickcontrols/qml-qtquick-controls-calendar.html">Calendar</a> control was added. Calendar allows selection of dates from a grid of days, similar to <a href="../qtwidgets/qcalendarwidget.html">QCalendarWidget</a>.</li>
<li><a href="../qtquickcontrols/qml-menustyle.html">MenuStyle</a> and <a href="../qtquickcontrols/qml-menubarstyle.html">MenuBarStyle</a> controls introduced.</li>
</ul>
<a name="qt-quick-dialogs"></a>
<h3>Qt Quick Dialogs</h3>
<ul>
<li>The QML implementations are now built with <a href="../qtquick/qtquick-module.html">QtQuick</a>.Controls (and therefore the source is moved from qtdeclarative.git to qtquickcontrols.git), which enables adding some features such as folder shortcuts (both standard locations and bookmarked locations), and comboboxes for file filters and writing systems.</li>
<li>There is a new Dialog type which provides only the standard buttons, so that you can construct dialogs with arbitrary contents, such as various types of input dialogs and pickers.</li>
</ul>
<a name="qt-network"></a>
<h3>Qt Network</h3>
<ul>
<li>Support for the SPDY protocol (version 3.0) was added.</li>
</ul>
<a name="qt-multimedia"></a>
<h3>Qt Multimedia</h3>
<ul>
<li>A new <a href="../qtmultimedia/qcamerainfo.html">QCameraInfo</a> class was added. It allows to get static information about cameras such as physical position and sensor orientation. In addition, the class provides a way to list available cameras on the system and deprecates <a href="../qtmultimedia/qcamera-obsolete.html#availableDevices" class="obsolete">QCamera::availableDevices</a>().</li>
</ul>
<a name="qt-webkit"></a>
<h3>Qt WebKit</h3>
<ul>
<li>Support for HTML5 Video Track. Subtitles and captions for HTML5 video.</li>
<li>Support for Indexed DB API. See <a href="http://www.w3.org/TR/IndexedDB/">http://www.w3.org/TR/IndexedDB/</a>.</li>
</ul>
<a name="qt-positioning"></a>
<h3>Qt Positioning</h3>
<ul>
<li>The module has been ported to Android and iOS. Android supports position and satellite updates while iOS supports position updates only.</li>
</ul>
<a name="qt-bluetooth"></a>
<h3>Qt Bluetooth</h3>
<ul>
<li>The module has been ported to Android.</li>
</ul>
<a name="qt-qml"></a>
<h3>Qt QML</h3>
<ul>
<li>Profiling support for V4, using the same event types as the QML profiler.</li>
<li>Profile or debug multiple QML engines in one application with the new EngineControl debug service.</li>
</ul>
<a name="xinput2-smooth-scrolling"></a>
<h3>XInput2 Smooth Scrolling</h3>
<ul>
<li>Qt's XCB plugin now listens to XInput2 scrolling events which means it will respond to high resolution smooth scrolling events on devices where they are supported. Currently this is mainly touch pads.</li>
</ul>
<a name="qt-creator-3-1"></a>
<h2>Qt Creator 3.1</h2>
<p>The release of Qt Creator 3.1 coincides with the release of Qt 5.3. The release introduces new features as well as bug fixes and improvements.</p>
<p>For more information, visit the <a href="http://qt-project.org/doc/qtcreator/index.html">Qt Creator Manual</a>.</p>
<a name="winrt-plugin"></a>
<h3>WinRT Plugin</h3>
<p>Qt Creator 3.1 introduces a <a href="build-sources.html#winrt">WinRT</a> plugin that facilitates deployment and development of applications. The plugin is still experimental but the main features that already work nicely are:</p>
<ul>
<li>Registration of Windows Runtime and Windows Phone Qt versions.</li>
<li>Support for Windows Runtime and Windows Phone Kits.</li>
<li>Building of Windows Runtime and Windows Phone applications.</li>
<li>Running of applications for Windows Runtime and Windows Phone via Qt Creator’s <b>Run</b> button.</li>
</ul>
<p>To enable the plugin, go to <b>Help</b> > <b>About Plugins</b> and enable <b>WinRT</b> in <b>Device Support</b>.</p>
<p>For more information, visit the <a href="http://qt-project.org/doc/qtcreator/creator-developing-winrt.html">Connecting Windows Runtime Devices</a> page.</p>
<a name="editors"></a>
<h3>Editors</h3>
<ul>
<li>Better support of multiple editors and windows.</li>
<li>New <a href="http://qt-project.org/doc/qtcreator/creator-beautifier.html">Beautifier plugin</a> for applying indentation and other coding styles.</li>
</ul>
<a name="c"></a>
<h3>C++</h3>
<ul>
<li>Experimental new Clang based code model.</li>
</ul>
<a name="ios"></a>
<h3>iOS</h3>
<ul>
<li>Better support of multiple devices.</li>
</ul>
<a name="qml"></a>
<h3>QML</h3>
<ul>
<li>Better Qbs support.</li>
<li>Better defaulting and import resolution.</li>
<li>JavaScript profiler frontend (V4 only), integrated in QML profiler <i>events</i> and <i>timeline</i> views.</li>
</ul>
<a name="debugger"></a>
<h3>Debugger</h3>
<ul>
<li>Improved LLDB support.</li>
<li>Removed support for GDB builds without Python.</li>
</ul>
<a name="devices"></a>
<h3>Devices</h3>
<ul>
<li>SSH parameters now available as Qt Creator variables, for example, for use in custom run configurations.</li>
</ul>
<a name="list-of-api-changes"></a>
<h2>List of API Changes</h2>
<p>The pages below contain a list of API changes in Qt 5.3:</p>
<ul>
<li><a href="newclasses53.html">New Classes and Functions in Qt 5.3</a></li>
<li><a href="obsoleteclasses.html">Obsolete Classes</a></li>
</ul>
<a name="additions-to-other-qt-5-releases"></a>
<h2>Additions to Other Qt 5 Releases</h2>
<ul>
<li><a href="whatsnew52.html">What's New in Qt 5.2</a></li>
<li><a href="whatsnew51.html">What's New in Qt 5.1</a></li>
<li><a href="whatsnew50.html">What's New in Qt 5.0</a></li>
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