In addition, WindowServer on a Mac is responsible for redrawing your screen upon switching tabs in Safari, changing active windows, and facilitating tasks such as video and picture editing.
The WindowServer enables Mac users to view all activities and processes taking place on their devices. The WindowServer process collects images of windows within the system, organizes them into a composite image that is displayed on your screen, and transmits this image to the GPU and display system. The WindowServer process is responsible for facilitating a connection between applications and displays. The typical crash sequence involves your Mac becoming unresponsive and culminating in a reboot that directs you back to the login screen, where you will see a problem report indicating that “WindowServer quit unexpectedly.” Scrolling down, you may find the solutions for fixing the WindowServer crashing issue after upgrading to macOS Ventura. There have been numerous reports from users of WindowServer repeatedly crashing on Mac.