I got some answers. We'll be using the OpenThread stack for Thread support, as stated before, and we will have a Zigbee 3 stack as well. Not sure if I can name which one, but it will be similar to Zigbee stacks you see on competing chips. Excellent! That's great to hear. Would love to hear which on...

We currently have an OpenThread derived stack in ESP-IDF. I don't know enough about Zigbee to know if that is what you need, sorry. Licensing will likely be BSD or Apache2, although at this point I'm not sure if/when we'll release the sources as well. As mentioned above, Thread and Zigbee are very ...

The ESP32-H2 looks to be an exciting new product. But one thing that does not seem to be clear, will a Zigbee 3.0 stack be supplies by espressif? If so will it be at release (and when is release?)? And what licensing will it be under?