After an upgrade, some selection buttons became huge like this:
This is very annoying, also I couldn’t find a post about it. Could this be caused by a stray plugin somewhere?
If you are running outdated plugins, it could be that you need to update to the most recent version of the credentials plugin. JENKINS-68163 describes an issue like that with the credentials plugin.
If you are running Firefox ESR 102 or older, you may need to upgrade to a more recent version of Firefox.