How bad is this rafter decay?

House is 2002 in PNW. I wonder if this is common and any cause for concern. Worst case could this be a sign of leaking that wasn't addressed in time? Roof already replaced.

If the wood is compromised, would this even be fixable?

House is 2002 in PNW. I wonder if this is common and any cause for concern. Worst case could this be a sign of leaking that wasn't addressed in time? Roof already replaced.

If the wood is compromised, would this even be fixable?