UKUI is a desktop environment designed and developed by the 
Ubuntu Kylin team. It can provide Windows-like interactive functions and bring more friendly user experiences. UKUI has entered both 
Ubuntu and 
Debian repositories to provide a new desktop environment for users of Debian/Ubuntu distributions and derivatives worldwide. It not only ships new login and lock programs, which is more stable and with more functions, but also adds a feedback program which is convenient for the feedback and questions. What’s more, the Setup Wizard is user-friendly that users can get start with Ubuntu Kylin quickly. To enrich the functions, Control Center adds settings of theme and window. At the same time, Start Menu, taskbar, notification bar, file manager, window manager and other components have been updated.
UKUI is a lightweight desktop environment based on pluggable framework for Linux and other Unix-like Distributions. It provides a simpler and more enjoyable experience for browsing, searching, and managing your computer.It is developed using GTK and Qt.
Comments and Reviews
According to the homepage it should work fine with ubuntu 20.04. In reality it doesn't, the installation on an fresh installed ubuntu 20.04 does break the system. Don't waste your time with this.