This is the 13598th most frequent Russian word.
недавними
"Недавними" means "recent" or "not long ago" (instrumental plural form).
In this sentence, 'недавними' is an instrumental plural form of the adjective 'недавний' (recent). It describes the noun 'выпускниками' (graduates), specifying that the graduates are recent.
Я встречался с недавними выпускниками университета.
I met with recent university graduates.
Here, 'недавними' is also an instrumental plural form of 'недавний' and is used to modify 'событиями' (events), indicating that the events being discussed are recent.
Недавними событиями на работе обсуждались в офисе.
Recent events at work were discussed in the office.
In this example, 'недавними' again modifies the plural noun 'изменениями' (changes) in the instrumental case, emphasizing that the changes are recent and noteworthy.