flatpak cli wants to bump it to v121 from what I can tell. So it's a Discover flatpak plugin issue.
$ flatpak update --no-deploy -v < /dev/null |& grep wolf-comm F: Transaction: update flathub:app/io.gitlab.librewolf-community/x86_64/stable[*] F: marking op update:app/io.gitlab.librewolf-community/x86_64/stable resolved to 7846de63d08b02118ee60475603ce36e9a0ad66ae3d401b7defa57d2cf7d0614 1. io.gitlab.librewolf-community stable u flathub < 110.2?MB $ flatpak remote-info --log flathub io.gitlab.librewolf-community | grep -m 1 -A 3 7846de63 Commit: 7846de63d08b02118ee60475603ce36e9a0ad66ae3d401b7defa57d2cf7d0614 Parent: e5ec264ac7cd321310168c7d910ad9d3eb1ab0589348368114a49b9208e254be Subject: v121.0-1 (#85) (e606396d) Date: 2023-12-25 13:39:17 +0000