What's New in Qt 5.6▲
Qt 5.6 is a long-term support (LTS) release.
New Modules▲
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Included as a technology preview.
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Provides lightweight QML types for creating performant user interfaces for embedded and mobile devices.
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Included as a technology preview.
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Provides a framework for accessing serial bus backends in general, and implementations for Controller Area Network (CAN) bus and Modbus.
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Qt Compositor(Qt Wayland)
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Included as a technology preview.
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Provides a framework to develop Wayland compositor.
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Provides a public API shared by both Qt WebEngine and Qt WebEngine Widgets.
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New Features in Qt 5.6▲
Qt 3D Module▲
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New buffer and attribute API.
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Support for OpenGL instanced rendering where supported.
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Support for OpenGL primitive restart.
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Support for clip planes, stencil operations, and many more OpenGL features.
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Support for easily generating buffer data from C++ and QML (using JavaScript typed arrays).
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qgltf tool to compile scenes into glTF.
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Support for loading glTF scenes via SceneLoader.
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Support for controlling multi-sampling with Scene3D.
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More standard materials: per-vertex colors and Gooch shading.
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New APIs for mouse input and collision detection.
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New Logic aspect to have QML/C++ code executed synchronously with the Qt 3D aspect engine. Useful for prototyping future Qt 3D features.
Qt Core Module▲
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Reduced memory usage of dynamic properties.
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Allow logging directly to syslog on Linux systems.
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Added QStorageInfo::blockSize().
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Added QVersionNumber class.
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Added const_iterator to QByteArray.
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Added reverse iterator support to all sequential containers.
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added QDir::listSeparator().
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Optimized performance in QString.
Qt Canvas3D Module▲
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Support for using Qt Quick items as textures.
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Support for rendering directly to Qt Quick scene background or foreground.
Qt GUI Module▲
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Improved cross-platform OpenGL ES 3.0 and 3.1 support to enable developing mobile/embedded applications utilizing GLES3 features.
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Improved cross-platform high-dpi support.
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Raster engine support for rendering internally with 16bits-per-color.
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QImageReader now exports gamma values and other meta data for some image formats.
Qt Multimedia Module▲
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New Playlist QML type.
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New audio role API for the media player (C++ and QML).
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Support for camera focus and video probe on WinRT.
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New functions in QML AudioEngine to support dynamic object creation.
Qt NFC Module▲
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Added support for Android.
Qt Network Module▲
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Added QHostAddress::isMulticast().
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Support HTTP redirection in QNetworkAccessManager.
Qt Platform Abstraction (QPA)▲
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Optional support for using FreeType on macOS.
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Added support for NVIDIA Jetson TK1 Pro boards running Vibrante Linux via a new eglfs backend utilizing DRM, EGLDevice, and EGLStream.
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Added support for Intel Atom-based NUCs.
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Added support for WEC2013.
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Windows 10 fully supported (classic and WinRT app)
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Windows Store apps are now composited inside a XAML layer, allowing better integration with the native UI layer.
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Use libinput, if available, as the default on eglfs and linuxfb.
Qt Positioning Module▲
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Added support for macOS.
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Added support for GPS receivers exposed as a serial port on Windows desktop (all versions).
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Removed libgeoclue dependency for the GeoClue backend.
Qt QML Module▲
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Support for writing JavaScript function names to Linux's perf output.
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Reduced overall memory consumption.
Qt Testlib Module▲
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More stable input event handling.
Qt WebView Module▲
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Added support for WinRT.
Qt WebEngine Module▲
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Based on Chromium 45.
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Support for pepper plugins including Flash.
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Support for unbundling and linking with system libraries on Linux.
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Support for following global Qt proxy settings.
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More WebActions from QtWebKit and WebAction API in QML.
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New QtWebEngineCore module for shared low-level API.
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New core API for custom URL schemes.
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New core API for intercepting and blocking network requests.
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New core API for tracking or blocking cookies.
Qt Widgets Module▲
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Allow programmatic resizing of dock widgets.
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Allow dropping dock widgets into floating docks.
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Allow the user to re-arrange tabbed docks.
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Allow horizontal scrolling using a mouse wheel in QListView.
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Support QOpenGLWidget and QQuickWidget on WinRT.
Removed Functionality▲
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Qt WebKit
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Qt Declarative (Qt Quick 1)
Deprecated Functionality▲
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Enginio
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Qt Script
These modules are still included in Qt 5.6, but are considered for removal in future releases.
List of API Changes▲
The pages below contain a list of API changes in Qt 5.6: