Over the past few weeks, I’ve been testing the Aqara M2 hub, and it’s a worthy addition to HomeKit. I’ve been using the original Aqara hub in my home for the better part of a year. I’ve done a complete reversal on my opinion on the use of hubs between devices and HomeKit. In my early days of using HomeKit, I preferred devices that worked on Wi-Fi or Bluetooth without using a hub. In practice, I’ve found that the devices attached to hubs are the most reliable in my HomeKit setup.