Zigbee Buying Guide for starting wth zigbee.
Xiaomi Gateway 3: Highly hackable! Pair unsupported Zigbee & Bluetooth devices and get them into Home-Assistant!
Xiaomi Gateway 3 is Highly hackable, pair third party Zigbee and even Bluetooth devices and get them into Home-Assistant!
Xiaomi Mijia Smart Multi-Mode Gateway 3 (ZNDMWG03LM) has Zigbee 3 and BLE. This make the v3 a great successor!
Zigbee2MQTT supports now OTA Firmware updates!!
Sometimes you want to integrate some of the old technology into a smart home environment, but there is not the right sensor available. So...
Zigbee2MQTT 1.7 is a new minor version with new major features