Yes! It's maintained by the members of the CSA alliance (which authors Matter). It means that Google, Apple and Home Assistant will all run the same controller

Yes! It's maintained by the members of the CSA alliance (which authors Matter). It means that Google, Apple and Home Assistant will all run the same controller code and benefit from bug fixes. Chip manufacturers like Espressif and Nordic maintain implementations for their boards in there too, so anyone can now have the software to produce Matter compatible light bulbs. https://github.com/project-chip/connectedhomeip https://github.com/project-chip/connectedhomeip