No matter your Country, is grounding affecting license requirements(Passenger, Cargo or even Private) and how are the hours being rectified. CNN actually posed a great question in this article and I am also curious to know if this has been addressed CNN: What happens when pilots don't get their flying hours?. https://www.cnn.com/travel/article/pilots-recency-flying-hours/index.html
Many countries are extending validation periods, but ultimately it's a question that isn't fully answered yet. Right now the focus is on the pandemic - the practical concequences come second.
Chances are it will be a combination of extending legally mandated periods, and common sense by operators.