New Features in Qt 5.10

Note: This page is work in progress and should not be considered as final list of Qt 5.10 features before the beta release.

New Features (within existing modules)

• Qt GUI
  • Added cross-platform Vulkan enablers for Windows, Linux (xcb) and Android (level 23+): QVulkanInstance, QWindow with type VulkanSurface, and QVulkanWindow
  • Added new flags and functions to QSurfaceFormat and QOpenGLWidget to request sRGB-capable default/backing framebuffers
  • The OpenGL ES 3.2 API is now exposed in a cross-platform manner via QOpenGLExtraFunctions.
  • QImages can now use more than 2GByte of pixel data.
• Qt Widgets
  • QWidget::createWindowContainer() is now functional on Android
  • QOpenGLWidget is now usable for rendering and reading back (grabbing) offscreen content.
  • Added AA_DisableWindowContextHelpButton attribute that prevents the automatic" What's this" button on dialogs on Windows
  • Added tabStopDistance property in QTextOption, QTextEdit and QPlainTextEdit
  • Added selectionEnd(), selectionLength() to QLineEdit, complementing selectionStart()
  • Added setDoubleStep to QInputDialog, to enable changing of the step amount for getDouble()
  • Added isPersistentEditorOpen() to QAbstractItemView, QTreeWidget, QTableWidget and QListWidget
  • Added new style hint: SH_TitleBar_ShowToolTipsOnButtons
  • Added support for specifying custom internal texture formats in QOpenGLWidget
  • QDockWidget acquired the ability to be dropped together side by side
• Qt Quick
  • Added a shapes plugin, providing a Shape type under QtQuick.Shapes 1.0. This allows 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, providing TapHandler, PinchHandler and DragHandler. These are the beginnings of the Pointer Handlers which we have been talking about for some time: lightweight objects for handling events from the mouse or the touchscreen in a device-agnostic way.
  • QQuickItem layers can now request to be backed by multisample framebuffers via the property layer.samples
• Qt Quick Controls 2
  • Introduced new QML types: Action, ActionGroup, MenuBar
  • Introduced 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 support for:
    • actions and actions in buttons, delegates, and menus
    • exclusive button groups
    • nested menus, and cascading sub-menus
    • wrapping spinboxes
    • propagating palettes (only Fusion & Imagine styles for now, others coming later)
    • specifying the default font and palette in qtquickcontrols2.conf
    • preliminary support for mnemonics in MenuItem (only shortcut functionality, not yet visualized)
  • Added 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 had an "orientation" property: RangeSlider, Slider, ScrollBar, ScrollIndicator, SwipeView
  • Other improvements:
    • Added support for specifying a transition for StackView::clear()
    • Made ApplicationWindow::activeFocusControl work with a plain Window
    • Made background dimming for popups work without ApplicationWindow
    • Made Material style DialogButtonBox use the Android button layout
    • Made Default style Slider and RangeSlider visually indicate the progress/range
• Qt Graphical Effects
  • The effects are now functional also in core profile OpenGL contexts.
• Qt WebEngine
  • Updated to be based on Chromium 60
  • Pause/resume added to download items
  • Settings for blocking javascript focus
  • Settings for hiding scrollbars
  • More WebActions that used to be in QWebPage added to QWebEnginePage
  • QWebEnginePage::download added for triggering downloads using QtWebEngine
• Qt Serial Bus
  • Added local echo flag to QCanBusFrame to mark frames that are sent from the local system to the CAN bus.
• Qt Connectivity
  • The UWP bluetooth and BLE backends can now be used on desktop Windows (>= 10) too.
• Qt Virtual Keyboard
  • Added the following keyboard layouts: 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.
  • OpenWNN:
    • Fixed crash when pressing the space after entering a smiley.
    • Fixed and optimized OpenWNN engine

New Modules

• Qt Network Authentication - Provides support for OAuth1 & OAuth2
• Qt Speech - Supports text-to-speech

Platform Changes

Technology Preview Modules

• Qt Remote Objects (TP2) - A module that allows you to easily share QObject interfaces (Signals/Slots/Properties) between processes or devices.

Deprecated Modules

The following modules are part of Qt 5.10 release, but deprecated and considered for removal in subsequent releases of Qt:

• Qt Script

Configurations