Agreed that migration is pain. I have migrated once before without re-pairing but it was dainty work.

FWIW zigbee2mqtt and the $35CAD Sonoff USB coordinator are pretty solid here. (Three separate systems at three locations)
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I have one of those and plan to use it with home assistant. Not got round to it yet, so many other projects to do. I can say that ZigBee is way more reliable than WiFi for lamps. (Philips Wiz) VS IKEA ZigBee
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