New Features in Qt 5.13

Note that this list should be considered as work in progress until the first Beta release.

New Features (within existing modules)

• Qt Core
  • Clang: New configure switch -coverage which is useful for fuzzing
• Qt GUI
  • Add QImage::convertTo new API (convert a image in place)
  • QPainterPath: support clear, reserve and capacity methods with same semantics than QVector::clear() (allocations are preserved)
• Qt Network
  • Windows: Secure Channel support for SSL socket (QTBUG-62637)
  • OCSP stapling support (QTBUG-12812, QTBUG-17158)
• Qt QML
  • Improved support for enums declared in C++.
  • JavaScript "null" as binding value is now optimized at compile time (QTBUG-72098).
  • QML now generates function tables on 64bit windows, making it possible to unwind the stack through JITed functions (QTBUG-50061).
• Qt Quick
  • Added support to TableView for hiding rows and columns
• Qt Quick Controls 2
  • Added SplitView.
  • Added cache property to icon.
• Qt Bluetooth
  • Removed need for pairing on Windows to discover and connect
• Qt 3D
  • Added support for importing and exporting OpenGL texture handles
  • Added framegraph nodes for fence objects
  • Added priority based picking
• Qt Wayland Compositor
  • New client buffer integration for linux-dmabuf-unstable-v1 support. Qt clients already had support through the wayland-egl integration.
  • Support for the wp_viewporter protocol.
• Qt WebEngine
  • Based on Chromium 73
  • Application-local client certificate store
  • Client certificate support from QML
  • PDF viewing via internal Chromium extension
  • Web Notifications API
• Qt Websockets
• Qt Location
  • Added support for GeoPolygons with holes, reflected in MapPolygons and MapPolygonObjects
  • Introduced interoperability with GeoJson with import/export functionality
• Qt Test

Platform Changes

• Android
  • Android 5.0 (API level 21) is now the minimum supported version.
• Wayland
  • New shell integration for fullscreen-shell-unstable-v1.

Technology Preview Modules

• Qt Lottie (TP)

New Platforms

• Qt for WebAssembly

Qt for Automation

• Qt KNX
  • Secure client API added
• Qt OPC UA
  • C++ API out of TP
  • Added QML API (TP)
  • Added secure client C++ API (TP)
  • UaCpp and Open62542 backend are feature equal
• Qt COAP (TP)
  • DTLS support merged

Deprecated Modules

The following modules are part of Qt 5.12 release, but deprecated and considered for removal in subsequent releases of Qt:

• Qt Script
• Qt Quick Controls 1

Removed Modules

The following modules have been deprecated earlier and no longer part of the Qt 5.13 release:

• Qt Canvas 3D

Configurations