A year since the last release
Applications in Qubes are divided into classes depending on the importance of the data being processed and the tasks to be solved, each class of applications, as well as system services (network subsystem, work with storage, etc.). When the user launches an application from the menu, the application starts in a specific virtual machine that runs a separate X server, a lightweight window manager, and a stub video driver that translates output to the control environment in composite mode. At the same time, applications are seamlessly available within the same desktop and are highlighted for clarity with different window frame colors. Each environment has read access to the underlying root FS and local storage that does not overlap with the storage of other environments. The user shell is based on Xfce.
In the new release, the versions of the programs that form the basic system environment (dom0) are updated, including the transition to the Linux kernel 4.19 (previously the 4.14 kernel was used). Templates
to create virtual environments, updated to Fedora 30, Debian 10 and
Source: opennet.ru