It peaked at 4.05% in March. The last 2 months it went just below 4% as the Unknown category increased. For June the reverse happened, so 4.04% seems to be the real current share of Linux on Desktop as desktop clients were read properly/werent spoofed.
dont forget soystemd and wayland
i don’t have a strong opinion on systemd, i just heard someone call it soystemd in some YouTube video once and it just stuck in my head for years