This is the 9863rd most frequent Polish word.
aktualnymi
"Actual/current."
Here, 'aktualnymi' is used as an adjective describing 'wiadomościami' (news), referring to their up-to-date nature.
Chcielibyśmy być na bieżąco z aktualnymi wiadomościami.
We'd like to stay up-to-date with the current news.
In this sentence, 'aktualnymi' describes 'tematami' (topics), emphasizing their relevance.
Problemy społeczne są bardzo aktualnymi tematami w debatach politycznych.
Social issues are very current topics in political debates.
Here, 'aktualnymi' modifies 'informacjami' (information), indicating its timeliness.