Upgraded my OpnSense.
Broke IPv6 on my OpnSense.
Fixed my OpnSense.
Blogged about it.
https://bascht.com/tech/2022/05/11/broken-ipv6-delegation-after-upgrading-to-opnsense-22.1/
This is a special little place in the Fediverse for a small group of purveyors of finest yak wool.