For only way more time and money, you can buy a zigbee smart plug and a vendor agnostic zigbee hub flashed with FOSS, or you can buy a esp-based board, wire it up with a relay, and flash it with something like esphome.
Sure, it’s way more money and hours of work (cumulatively), but it won’t lose support!
You’re one of the founding members of the greater Seattle area polycule, aren’t you?