Just updated a machine that hadn’t touched the internet in awhile.
In case anyone runs into a similar error to the one mentioned here, you will need to bootc switch to the new repo tag.
$ sudo bootc switch ghcr.io/ublue-os/bluefin:lts
$ sudo bootc status
● Booted image: ghcr.io/ublue-os/bluefin:lts
Digest: sha256:2fbe31859d5c1b94599e4f040a236b2ae748bbc919992bcb166d4e2cd5ed0a50
Version: stream10.1 (2025-03-05 18:12:38 UTC)
Rollback image: ghcr.io/ublue-os/bluefin-lts:latest
Digest: sha256:47dce50424e1a0b20b51f79825f4afa87946a2d417941ba9b29230f7e88a1133
Version: stream10 (2025-01-29 05:26:19 UTC)