New features of Qt 6.0:
- Single hardware rendering interface with support for Direct 3D, Metal, Vulkan and OpenGL
- Rendering of 2D and 3D graphics is combined into a single graphics stack
- Qt Quick Controls 2 got a more native look and feel
- Fractional scaling support for HiDPI screens
- Added QProperty subsystem, which provides seamless integration of QML into C++ source code
- Improved Concurrency APIs to allow work to be moved to background threads
- Improved network support, allowing you to add your own network protocol backends
- C++17 support
- CMake support for building Qt applications
- Qt for Microcontrollers (MCU), for which it is enough only 80 KB of RAM in minimal configuration
The full list of innovations can be found at the link below.
Source: linux.org.ru