Samsung seems to be first out to have IOT´s certified for the Matter-standard.
https://www.theverge.com/2022/10/13/23400462/samsung-smartthings-matter-upgrade-hubs
The Matter-standard is essential for the future of IOT´s. We can´t have a situation where every producer needs its own app to be handled.
https://www.wired.com/story/what-is-matter/
Nedis is driven by Tuya a VERY large chinese vendor of IOT´s. They are so big that they are a defacto standard today, but still open for change as being members of the organization that drives the Matter-standard.