News for hackers. Stuff that matters.
Re:Matter – Protocol to connect compatible devices and syste... by phpisthebest on Tuesday October 04, 2022 @07:05PM (#33088366)
Key word there is MAY, not shall...

May implies it is up to the manufacture is internet (i.e globally routable IPv6 infrastructure) if required or not.

Re:Matter – Protocol to connect compatible devices and syste... by duckmysick on Wednesday October 05, 2022 @02:51AM (#33092128)
In the next sentence it says "requirement".

Confusingly, in legal terms "may" can also indicate a mandatory provision, depending on the context. https://www.law.cornell.edu/wex/may