Pardus 21.5 is a minor version release that brings several improvements to the operating system. Some of the notable changes include visual and functional improvements in various applications such as Pardus Software Center, Pardus Xfce login screen, Pardus My Computer application, and Pardus About application. Additionally, 15 new applications have been added to the Pardus Software Center, and several third-party applications have been updated. The default web browser Firefox has been upgraded, the default image editor application "Draw" has been updated, and the default office suite "LibreOffice" has been updated as well. Moreover, the Linux Kernel version has been upgraded to 5.10.0-22, and more than 1500 packages have been updated in the repository. Overall, these changes aim to provide users with an improved and up-to-date operating system.