What's New in Qt 5.10

The UWP Bluetooth and Bluetooth LE backends can now be used on Windows 10.

Added support for effects in core profile OpenGL contexts.

Added the cross-platform Vulkan enablers, QVulkanInstance, QWindow with type VulkanSurface, and QVulkanWindow. These enablers are for Windows, Linux (xcb), and Android (level 23+).

Added new flags and functions to QSurfaceFormat and QOpenGLWidget, to request sRGB-capable default/backing framebuffers.

Added the cross-platform enablers for OpenGL ES 3.2 API, which are now accessible through QOpenGLExtraFunctions.

Added support for more than 2 Gigabyte of pixel data in QImage.

Added QFont::PreferNoShaping style strategy.

Upgraded OpenSSL back-end to use library v1.1.

Persistent store of HSTS policies in QNAM (QSettings-based).

Added a shapes plugin, providing a Shape type under QtQuick.Shapes 1.0, which enables adding stroked and filled paths into Qt Quick scenes. Such shapes are rendered either by generating geometry or by using the GL_NV_path_rendering extension.

Added the Qt.labs.handlers plugin (tech. preview), providing TapHandler, PinchHandler, and DragHandler. These are lightweight objects for handling events from the mouse or the touchscreen in a device-agnostic way.

Added support for multi-sample framebuffers to QQuickItem layers using the layer.samples property.

Added font.kerning and font.preferShaping properties for advanced control over the font shaping subsystem.

Added advance property to Text to retrieve the typographical advance width.

Added Image element to enable direct loading of ETC1 and ETC2 compressed textures from .pkm files on platforms where ETC1/2 are supported.

Added support for effects in core profile OpenGL contexts.

Added new QML types: Action, ActionGroup, and MenuBar.

Added these new styles:

• The Fusion style offers a platform agnostic desktop-oriented look'n'feel.

• The Imagine style is based on image assets that can be provided using a predefined naming convention.

Added actions support for it in:

• buttons, delegates, menus,

• exclusive button groups,

• nested menus, and cascading sub-menus.

Added support for:

• wrapping SpinBox,

• propagating palettes (only Fusion & Imagine styles for now),

• specifying the default font and palette in qtquickcontrols2.conf,

• and preliminary support for mnemonics in MenuItem (only shortcut functionality).

Added the following new members:

• TabBar::index, tabBar, and position attached properties.

• Dialog::applied(), reset(), discarded(), and helpRequested() signals.

• Dialog::standardButton() method.

• StackView::empty property.

• Menu::popup() and dismiss() methods.

• Menu::actionAt(), addAction(), insertAction(), removeAction(), and takeAction() methods.

• Menu::menuAt(), addMenu(), insertMenu(), removeMenu(), and takeMenu() methods.

• Menu::count and currentIndex properties.

• MenuItem::menu property.

• Container::removeItem(Item) and takeItem(int) methods (TabBar and SwipeView).

• Popup::enabled, mirrored, and opened properties.

• horizontal and vertical properties to all controls that have the orientation property: RangeSlider, Slider, ScrollBar, ScrollIndicator, and SwipeView.

Other improvements:

• Added support for specifying a transition for StackView::clear().

• Enabled support for ApplicationWindow::activeFocusControl attached property for a plain Window.

• Enabled background dimming for popups without ApplicationWindow.

• Updated Material style for DialogButtonBox to use the Android button layout.

• Updated default style Slider and RangeSlider to visually indicate the progress/range.

Added local echo flag to QCanBusFrame to mark frames that are sent from the local system to the CAN bus.

Added the keyboard layouts for Hebrew, Serbian, Hungarian, Czech, Croatian, Bulgarian, Greek, Estonian, and Dutch.

Added handwriting support for Farsi, Arabic, and CJK (Chinese/Japanese/Korean).

Added new component (InputModeKey) for input mode switch.

Updated to be based on Chromium 60.

Added pause/resume functionality to download items.

Added settings for blocking JavaScript focus and hiding scrollbars.

Updated QWebEnginePage with more WebActions, which were supported by QWebPage earlier.

Added QWebEnginePage::download for trig