Qt 5.15
What's New in Qt 5.13
Qt 5.15.8 Reference Documentation

What's New in Qt 5.13

New Features in Qt 5.13

Qt 3D Module

Added support for importing and exporting OpenGL texture handles.
Added framegraph nodes for fence objects.
Added priority based picking.
Added initial glTF 2.0 scene import support.

Qt Bluetooth Module

Windows: Removed the need for pairing in order to discover and connect.

Qt Core Module

Clang: Added a new configure switch -coverage, useful for fuzzing.

Qt GUI Module

Added QImage::convertTo(), a new function for converting an image in-place.
QPainterPath: Added support for clear, reserve and capacity methods with the same semantics as QVector::clear() (preserving allocations).

Qt Location Module

Added support for geopolygons with holes, reflected in MapPolygons and MapPolygonObjects.
Introduced interoperability with GeoJSON, adding import/export functionality.

Qt Network Module

Windows: Added secure channel support for SSL sockets.
Added support for Online Certificate Status Protocol (OCSP) stapling.

Qt QML Module

Improved support for enums declared in C++.
JavaScript null as a binding value is now optimized at compile time.
Implemented the generation of function tables on 64-bit Windows, making it possible to unwind the stack through JITed functions.

Qt Quick Module

Added support to TableView for hiding rows and columns.

Qt Quick Controls 2 Module

Added SplitView QML type.
Added a cache property to icons.

Qt Wayland Module

Added a new client buffer integration for linux-dmabuf-unstable-v1. Qt clients already had support through wayland-egl integration.
Added support for the wp_viewporter protocol.

Qt WebEngine Module

Updated to Chromium 73.
Added support for application-local client certificate store.
Added support for client certificates from QML.
Added support for viewing PDF files via an internal Chromium extension.
Introduced the Web Notifications API.

Platform Changes

Android

Android 5.0 (API level 21) is now the minimum supported version.
Added support for content: URLs to QFile.
Added native file dialog support.

Wayland

Added a new shell integration for fullscreen-shell-unstable-v1.

Technology Preview Modules

Qt Lottie Animation

New Platforms

Qt for WebAssembly

Qt for Automation Modules

Qt KNX

Added a secure client API.

Qt OPC UA

Added a QML API (as technology preview).
C++ API is now out of technology preview.
Added a secure client C++ API (as technology preview).
UaCpp and Open62542 backends now have feature parity.

Qt CoAP (Technology Preview)

Added DTLS support.

Deprecated Modules

The following modules are part of Qt 5.13, but are deprecated and considered for removal in subsequent releases of Qt:

Qt Script
Qt Quick Controls 1
Qt XML Patterns

Removed Modules

The following modules were deprecated earlier and are no longer part of the Qt 5.13 release:

Qt Canvas 3D

List of API Changes

The pages below contain a list of API changes in Qt 5.13:

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