[grg0]

Nobody with experience in the field advertises formally-verified software like that, and it is understood that the spec may as well be wrong. It is also understood that the non-verified parts may have bugs (surprise). There is no news here.

[minimaltom]

Unless "with experience in the field" == academia, disagree. In particular I remember the early discourse & hype around Wireguard, it was discussed as if perfection was an achieved outcome.