Linux support is still basically non-existent for the first gen, and they made all this deal about supporting Linux and the open source community. This is to say, don't trust them
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Clearly it's a priority because the support for ChromeOS/android support is a big headline this year.
[1] https://discourse.ubuntu.com/t/ubuntu-24-10-concept-snapdrag...
Also worth noting that not all the bits needing support are inside of the Snapdragon, so specific vendor support from Dell, Lenovo etc is required.