In January, the alliance released its 1.0 spec to allow that connectivity using cloud-to-cloud communication between Wi-Fi-connected appliances, shortly after the launch of Matter, an "industry-unifying" standard from Amazon, Apple, Google, and others. Samsung and LG plan to roll out their implementations of the HCA spec during Q4 in eight countries: the US, United Kingdom, Korea, Italy, France, Spain, and Turkey.
https://www.pcmag.com/news/control-your-samsung-fridge-with-lg-app