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<li><a href="index.html">Qt 5.3</a></li>
<li>What's New in Qt 5.1</li>
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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-supported-platforms">New Supported Platforms</a></li>
<li class="level1"><a href="#summary-of-changes">Summary of Changes</a></li>
<li class="level2"><a href="#moc">moc</a></li>
<li class="level2"><a href="#qmake">qmake</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-network">Qt Network</a></li>
<li class="level2"><a href="#qt-qml">Qt QML</a></li>
<li class="level2"><a href="#qt-quick">Qt Quick</a></li>
<li class="level2"><a href="#qt-webkit">Qt WebKit</a></li>
<li class="level2"><a href="#qt-widgets">Qt Widgets</a></li>
<li class="level2"><a href="#qt-creator-compatibility">Qt Creator Compatibility</a></li>
<li class="level2"><a href="#other-new-features">Other New Features</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 5.1</h1>
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<p>Qt 5.1 introduces many changes for helping developers continue creating wonderful applications, easily and with less code. As well in this release, focus is placed on bug fixing and new features, while maintaining compatibility with Qt 5.0.</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>
<p>New modules add more functionality for developers to use on various platforms.</p>
<ul>
<li><a href="../qtquickcontrols/qtquickcontrols-index.html">Qt Quick Controls</a> - a set of reusable UI controls. Qt 5.1 targets desktop platforms, while future releases will include more features useful on touch devices.</li>
<li><a href="../qtquicklayouts/qtquicklayouts-index.html">Qt Quick Layouts</a> - provides layouts for <a href="../qtquick/qtquick-index.html">Qt Quick</a></li>
<li><a href="../qtquickdialogs/qtquickdialogs-index.html">Qt Quick Dialogs</a> - contains types for creating and interacting with system dialogs</li>
<li><a href="../qtx11extras/qtx11extras-index.html">Qt X11 Extras</a> - adds platform specific APIs for X11</li>
<li><a href="../qtsensors/qtsensors-index.html">Qt Sensors</a> - provides access to sensor hardware and motion gesture recognition both via QML and C++ interfaces. Supports <a href="android-support.html">Android</a>, BlackBerry, <a href="ios-support.html">iOS</a>, and Mer platforms.</li>
<li><a href="../qtserialport/qtserialport-index.html">Qt Serial Port</a> - provides an interface for hardware and virtual serial ports</li>
</ul>
<p>The <a href="qtmodules.html">All Modules</a> page contains a list of all modules in Qt 5.1.</p>
<a name="new-supported-platforms"></a>
<h2>New Supported Platforms</h2>
<p>Qt 5.1 introduces support for following new platforms with technology preview status:</p>
<ul>
<li><a href="android-support.html">Qt for Android</a> (Technology Preview)</li>
<li><a href="ios-support.html">Qt for iOS</a> (Technology Preview)</li>
</ul>
<a name="summary-of-changes"></a>
<h2>Summary of Changes</h2>
<a name="moc"></a>
<h3>moc</h3>
<ul>
<li>New keyword in <a href="../qtcore/qobject.html#Q_PROPERTY">Q_PROPERTY</a>(), <tt>MEMBER</tt>, lets you bind a property to a class member without requiring to have a getter or a setter.</li>
</ul>
<a name="qmake"></a>
<h3>qmake</h3>
<ul>
<li>On Windows: Added support for specifying application icon (via <tt>RC_ICONS</tt>).</li>
</ul>
<a name="qt-core"></a>
<h3>Qt Core</h3>
<ul>
<li>Added support for SHA3 to <a href="../qtcore/qcryptographichash.html">QCryptographicHash</a></li>
<li>Added toInt(), toUInt(), and similar functions to <a href="../qtcore/qstringref.html">QStringRef</a></li>
<li>A new threadsafe initialization of global statics through refactored <a href="../qtcore/qglobalstatic.html#Q_GLOBAL_STATIC">Q_GLOBAL_STATIC</a>().</li>
<li>A new class, <a href="../qtcore/qlockfile.html">QLockFile</a>, provides locking between processes using a file. This lock enables applications to check that there is only one instance of it running.</li>
<li>A new class, <a href="../qtcore/qsavefile.html">QSaveFile</a>, provides transaction such as file writing.</li>
</ul>
<a name="qt-gui"></a>
<h3>Qt GUI</h3>
<ul>
<li>Support for embedding and reparenting of windows created from other processes, via <a href="../qtgui/qwindow.html#fromWinId">QWindow::fromWinId</a>().</li>
<li><a href="../qtwidgets/qwidget.html#createWindowContainer">QWidget::createWindowContainer</a>() adds the capability to embed <a href="../qtgui/qwindow.html">QWindow</a> instances, such as <a href="../qtquick/qquickview.html">QQuickView</a> or a <a href="../qtgui/qwindow.html">QWindow</a> using <a href="../qtgui/qopenglcontext.html">QOpenGLContext</a>, into a <a href="../qtwidgets/qwidget.html">QWidget</a> hierarchy.</li>
<li>Support for kerning advances in QRawFont::advancesForGlyphIndexes.</li>
<li><a href="../qtgui/qimagereader.html">QImageReader</a> and <a href="../qtgui/qimagewriter.html">QImageWriter</a> adds the ability to report supported MimeTypes.</li>
<li>New input method plugin, QComposeInputContext.</li>
<li>New GTK+ 2.x platformtheme plugin that provides native file, font, and color dialogs.</li>
<li>New class, <a href="../qtgui/qopenglcontext.html#versionFunctions">QOpenGLContext::versionFunctions</a>(), provides access to all <a href="../qtopengl/opengl-module.html">OpenGL</a> functions.</li>
<li>New <a href="../qtgui/qopengltimerquery.html">QOpenGLTimerQuery</a> and <a href="../qtgui/qopengltimemonitor.html">QOpenGLTimeMonitor</a> classes.</li>
<li>New <a href="../qtgui/qopengldebuglogger.html">QOpenGLDebugLogger</a> class expose KHR_debug extension for easy debugging.</li>
<li>Added support for Geometry, Tessellation Control, Tessellation Evaluation, and Compute shaders to <a href="../qtgui/qopenglshader.html">QOpenGLShader</a> and <a href="../qtgui/qopenglshaderprogram.html">QOpenGLShaderProgram</a>.</li>
<li>New <a href="../qtgui/qopenglvertexarrayobject.html">QOpenGLVertexArrayObject</a> class.</li>
</ul>
<a name="qt-network"></a>
<h3>Qt Network</h3>
<ul>
<li>New encrypted() signal to <a href="../qtnetwork/qnetworkaccessmanager.html">QNetworkAccessManager</a> and <a href="../qtnetwork/qnetworkreply.html">QNetworkReply</a> so that applications can perform additional checks on the certificate chain.</li>
<li>Support for sending intermediate certificates when <a href="../qtnetwork/qsslsocket.html">QSslSocket</a> is used as a server and when using client certificates.</li>
<li>Support for SSL session reuse allowing much faster connections to servers.</li>
</ul>
<a name="qt-qml"></a>
<h3>Qt QML</h3>
<ul>
<li>New <a href="../qtqml/qqmlapplicationengine.html">QQmlApplicationEngine</a> convenience class for QML applications.</li>
<li>New Instantiatior type for generic, dynamic object creation.</li>
<li>New <a href="../qtqml/qtqml-models-qmlmodule.html">QtQml.Models</a> module containing <a href="../qtqml/qml-qtqml-models-listelement.html">ListElement</a>, <a href="../qtqml/qml-qtqml-models-listmodel.html">ListModel</a>, <a href="../qtqml/qml-qtqml-models-delegatemodel.html">DelegateModel</a>, <a href="../qtqml/qml-qtqml-models-delegatemodelgroup.html">DelegateModelGroup</a>, and <a href="../qtqml/qml-qtqml-models-objectmodel.html">ObjectModel</a>.</li>
<li>New properties for Qt.application: arguments, name, and version.</li>
</ul>
<a name="qt-quick"></a>
<h3>Qt Quick</h3>
<ul>
<li>New threaded render loop for Mac, Linux, and Embedded.</li>
<li>New render loop for windows for smoother animations.</li>
<li>New <a href="../qtquickdialogs/qtquickdialogs-index.html">Qt Quick Dialogs</a> submodule with <a href="../qtquickdialogs/qml-qtquick-dialogs-filedialog.html">FileDialog</a> and <a href="../qtquickdialogs/qml-qtquick-dialogs-colordialog.html">ColorDialog</a> types.</li>
<li>New <a href="../qtquick/qml-qtquick-window-window.html">Window</a> properties: activeFocusItem, minimumWidth, minimumHeight, maximumWidth, maximumHeight, visibility, contentOrientation, and opacity.</li>
<li>New <a href="../qtquick/qml-qtquick-item.html">Item</a> property: activeFocusOnTab.</li>
<li>New <a href="../qtquick/qml-qtquick-grid.html">Grid</a> properties: horizontalAlignment, verticalAlignment, and effectiveHorizontalAlignment.</li>
<li>New <a href="../qtquick/qml-qtquick-textedit.html">TextEdit</a> properties: selectByKeyboard and textDocument</li>
<li>A <a href="../qtquick/qml-qtquick-window-window.html">Window</a> declared inside another Window or <a href="../qtquick/qml-qtquick-item.html">Item</a> will automatically be transient for (centered upon) the outer window.</li>
</ul>
<a name="qt-webkit"></a>
<h3>Qt WebKit</h3>
<ul>
<li>JavaScript JIT on Windows 64 bit.</li>
<li>Improved font rendering, kerning enabled by default.</li>
<li>Improved garbage collection.</li>
<li>Support for WOFF fonts.</li>
<li>Support for WebGL without accelerated compositing.</li>
<li>Support for GStreamer 1.0.</li>
<li>Improved perceived page load performance and support for Link prefetch.</li>
</ul>
<a name="qt-widgets"></a>
<h3>Qt Widgets</h3>
<ul>
<li>Added property toolTipsVisible in <a href="../qtwidgets/qmenu.html">QMenu</a>.</li>
</ul>
<a name="qt-creator-compatibility"></a>
<h3>Qt Creator Compatibility</h3>
<p><a href="http://qt-project.org/doc/qtcreator/index.html">Qt Creator</a> 2.7 complements this Qt release with the most prominent new features:</p>
<ul>
<li>Improved C++11 code editing support</li>
<li><a href="http://qt-project.org/doc/qtcreator/creator-using-qt-quick-designer.html">Qt Quick Designer</a> with full support for Qt Quick</li>
<li>Android <a href="http://qt-project.org/doc/qtcreator/creator-deploying-android.html">development target</a></li>
<li>Experimental QBS and diff integration</li>
</ul>
<a name="other-new-features"></a>
<h3>Other New Features</h3>
<ul>
<li>Restored support for static Qt builds</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 5.1</p>
<ul>
<li><a href="newclasses51.html">New Classes and Functions in Qt 5.1</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="whatsnew53.html">What's New in Qt 5.3</a></li>
<li><a href="whatsnew52.html">What's New in Qt 5.2</a></li>
<li><a href="whatsnew50.html">What's New in Qt 5.0</a></li>
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