- Qt 5.15
- What's New in Qt 5.13
- Qt 5.15.18 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:

- New Classes and Functions in Qt 5.13
- Obsolete Classes

## Additions to Other Qt 5 Releases

- What's New in Qt 5.12
- What's New in Qt 5.11
- What's New in Qt 5.10
- What's New in Qt 5.9
- What's New in Qt 5.8
- What's New in Qt 5.7
- What's New in Qt 5.6
- What's New in Qt 5.5
- What's New in Qt 5.4
- What's New in Qt 5.3
- What's New in Qt 5.2
- What's New in Qt 5.1
- What's New in Qt 5.0