This is the 101st most frequent Finnish word.
palveluun
"Palveluun" means "into the service" or "to the service" in English.
Here 'palveluun' implies 'to the service', used in connection with providing feedback.
Anna palautetta palveluun liittyen.
Provide feedback related to the service.
Here 'palveluun' translates to 'to the service', referring to the destination of the new features that were added.
Uudet ominaisuudet lisättiin palveluun viime viikolla.
New features were added to the service last week.
Here 'palveluun' means 'to the service', indicating the target of the action of logging in.