![]() Part of Core Graphics, WindowServer gathers in images of each of the windows in the system, assembles them into the composite image which will appear on the display, and passes that onto the GPU and display system. The key feature here is WindowServer, a central part of macOS, which is fundamental to its GUI. ![]() This article attempts to explain what to look for, and how to respond. You’re probably familiar with most types of ‘crash’, from uexpected quitting of apps through kernel panics, but would you recognise a WindowServer crash? They range in severity, sometimes just freezing the display for a few seconds, but at their worst can result in unique behaviour – something I experienced for the first time a couple of days ago.
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