Will there be also IDE independant building using cmake. It's really needed for all CI integration, etc. If cmake is provided you need to invest less effort in IDE support as it runs in nearly every IDE out of the box.
Will ST contribute to get support for the new H5 and WBA Series and new features(I3C, low power integration) on Zephyr RTOS?
Matter use Thread while Zigbee devices are not. How it will be co-existing and inter operable? In future, MATTER will replace existing Zigbee devices?