Version 2.3-2 of debianbuttons is marked for autoremoval from testing on Sat 21 Dec 2024. It depends (transitively) on firefox-esr, affected by #1084627. You should try to prevent the removal by fixing these RC bugs.
Standards version of the package is outdated.
wishlist
The package should be updated to follow the last version of Debian Policy
(Standards-Version 4.7.0 instead of
4.3.0).