Qt 6.0.3 Release with over 40 bug fixes has been announced for general availability and can be installed as an upgrade or clean install.
For more details about this version as well as the list of bug fixes please check out the official release note here.
You can update to Qt 6.0.3 Release in your existing online installation by using the maintenance tool. If you need to do a clean installation. You can use the Qt Online Installer by getting started here.