A new development board is available from Lilygo, the T-Zigbee. The motherboard is compatible with a wide range of smart home standards, including Zigbee 3.0, Apple HomeKit and Thread. The T-Zigbee has dual MCUs, a TLSR8258 ultra-low-power chip and an ESP32-C3 chip, alongside programmable buttons and LEDs.
https://www.notebookcheck.net/Lilygo-T-Zigbee-board-is-compatible-with-Zigbee-3-0-HomeKit-and-Thread-protocols.616914.0.html