What's New in Qt 6.3 (original) (raw)

New and Restored Modules in Qt 6.3

Qt 6.3 adds the following module:

Qt 6.3 reintroduces the following modules that were not present in Qt 6.2. All listed modules were ported to Qt 6 and the CMake build system.

A more detailed list of changes to each module can be found in Changes to Qt Modules in Qt 6.

New Features in Qt 6.3

Qt Core Module

Qt GUI Module

Qt Quick Module

}

Qt Quick Controls Module

Qt Quick Dialogs Module

Qt Widgets Module

Several new QStyle enum values are available to allow styles to customize additional look and feel aspects of a widget-based UI:

Qt Network Module

Qt QML Module

Qt Quick 3D Module

Qt WebEngine Module

Qt Data Visualization Module

Qt Positioning Module

Qt Bluetooth Module

Qt Wayland Compositor Module

Platform Changes

Technology Preview Platforms

WebAssembly

Several improvements have been made for Qt for WebAssembly. See the platform documentation at Qt for WebAssembly for details.

Windows on ARM

Windows on ARM64 remains in Technology Preview as problems with optimized builds of Qt could not be resolved yet.

Mobile Platforms

Android

iOS

Embedded Platforms

Boot to Qt

Other

Wayland

List of API Changes

These pages contain an overview of API changes in Qt 6.3:

Additions to All Qt 6 Releases

© 2025 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.