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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.
Another issue is that zwave isn't available in all countries (or it is but uses incompatible frequencies) so it's less useful outside the big markets.
I live in a country with 10 million people and it works here. But yes there are probably some that don't have the frequencies.