Deepin (stylized as deepin; formerly known as Linux Deepin and Hiweed Linux) is a Linux distribution based on Debian's stable branch. It features DDE, the Deepin Desktop Environment, built on Qt and available for various distributions like Arch Linux, Fedora, Manjaro and Ubuntu. As of version 15.10 it also uses dde-kwin, a set of patches for KDE Plasma's window manager. In 2019, Huawei started to ship Linux laptops pre-installed with deepin. Deepin's userbase is predominately Chinese, and it is developed in Wuhan, China by Wuhan Deepin Technology, as of 1 January 2020, a wholly owned subsidiary of UnionTech (统信软件).