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Matter 1.4 tries to set the smart home standard back on track
(www.theverge.com)
This is a most excellent place for technology news and articles.
Also you need to pay (18k/year iirc) in addition to that as well. Next to the fact that matter itself is quite convoluted from an implementation standpoint.
It’s really not made with things like startups or niche products in mind. It’s really a standard by and for the big companies