I'm happy the AirTag doesn't come with a lightning port, but plugging my AirPods, MagsafeBatteryPack, or anything to my Mac and updating it (automatically) within seconds after connecting it is very satisfying. Apple should really make a Firmware update tool that acts the same way as when setting up a Appletv or calibrating the picture or audio of it..
"this action will disconnect any Bluetooth accessory and disconnect from mobile network and wifi" I would be totally fine with that for 2 minutes if necessary if I could get the newest firmware to try out.
Edit: haha, just checked 3 of mine have updated overnight lol (have to go exchange my cars air filter AirTag to get that one to update now 😁)