EDIT: They use i5 and i7 processors, which IIRC use black-box Intel microcode... Also, i wonder if they support Libreboot? My apologies if it turns out i cannot read. Otherwise they look quite nice. I'm excited to see more "alternatives" in the "free as in liberty" laptop space.
EDIT 2: Some more information here: https://www.crowdsupply.com/purism/librem-13
EDIT 3: At least they're up-front about what's Free and what's not: https://puri.sm/posts/purism-software-freedom-deconstructed/