This seems like a whole mess of bugs. (Trying to update to macOS 26 Tahoe. Perhaps this is telling me it’s a bad idea?…)

PASSWORD_ALERT_TITLE_WITH_USERNAME_OSX_REBRAND_SERVICE_ICLOUD
PASSWORD_ALERT_MESSAGE_WITH_USERNAME_OSX_REBRAND
FOLLOWUP_RENEW_CREDENTIALS_TITLE_RERAND
FOLLOWUP_RENEW_CREDENTIALS_MESSAGE
SU_FOLLOW_UP_TITLE

And more…