QT6从2020年12月8号就开始发布了，具体可以参考Qt 6.0 Released这篇博客，如下图所示：
Qt 6.0 Released
关于QT6的安装目前分为在线安装和离线安装两种，具体可以参考博客：Getting Started with Qt和Offline Qt Downloads，如下图所示：
Getting Started with Qt
Offline Qt Downloads
Qt源码包
Qt 6.0源码包:
The source code is available:
For Windows users as a single zip file (242 MB) (Info)
For Linux/macOS users as a tar.xz file (150 MB) (Info)
You can get split source packages from here. Or visit the repository at code.qt.io.
Qt 5.15.x源码包:
The source code is available:
For Windows users as a single zip file (962 MB) (Info)
For Linux/macOS users as a tar.xz file (560 MB) (Info)
You can get split source packages from here. Or visit the repository at code.qt.io.
其他的QT版本
All older versions of Qt are available in the archive.
需要研究QT6和QT5.15.x源代码的话，可以从上面的地址下载。
关于QT6的移植，可以参考博客：- Porting to Qt 6
如下图所示：
Porting to Qt 6
目前QT的视频资源好多都是需要梯子才能看，官方的一些视频都是托管在Youtube上面的，Youtube上面有一个比较旧的视频，地址为：C++ Qt Programming
有人把它放到B站上面了，地址为：[C.Qt.编程视频教程].C.plus.plus.Qt.01.-.Introduction.to.QT.programming.-.YouTube
由于是英文的视频，看起来可能比较吃力点。
参考资料
- [Qt 6.0 Released(https://www.qt.io/blog/qt-6.0-released)
- Getting Started with Qt
- Offline Qt Downloads
- Qt Project Git Repository Browser
- Porting to Qt 6
- What's New in Qt 6.0 - overview of the changes in Qt 6.0
- Qt Creator Manual
- Qt Overviews
- Qt Examples And Tutorials
- Build System Changes in Qt 6 - for building Qt 6 from source
- 《C++ Qt 编程视频教程》(C++ Qt Programming)[MP4]
- Qt for Windows - Building from Source
- Qt 6 Build System
- Qt Downloads
