Qt 6.7.0 beta3 has been released

- Qt 6.7.0 beta3 has been released. It is available via the online installer.

- Qt Installer Framework 4.7.0 has been released:
https://www.qt.io/blog/qt-installer-framework-and-qt-online-installer-4.7.0-released

- Qt Design Studio 4.4 has been released:
https://www.qt.io/blog/qt-design-studio-4.4-released

- Read the discussion on the development mailing list about whether to remove the recommendation against unnamed namespaces from Qt coding conventions:
https://lists.qt-project.org/pipermail/development/2024-February/044993.html