Source: https://linux-hardware.org/?view=os_display_server
Reporting is done by users who voluntarily upload their system specs via
# hw-probe -all -upload
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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But the change in the numbers is not useless since the psychology of the Wayland users vs. x11 didn't change
That seems probable but was there any doubt that Wayland use is increasing? Wayland has been changing to the default distro by distro. The only reason this is "news" is because somebody has claimed that "Wayland usage has overtaken X11".