I haven’t spent much time looking at Linux support due to having a busy personal life, so I’ll live with Win 11 in the meantime.
That said, I don’t think anyone has Linux booting on any Snapdragon X machines yet. I think there’s a signing limitation (eg device OEM signing) and a graphics driver gap. It does seem like the first will be overcome eventually, otherwise no one will be able to build their own machine.
More people in the market means more people working on both of these things!