Who died is the simpsons voice actors?

As of my last update in October 2023, one of the notable voice actors from "The Simpsons" who passed away is Marcia Wallace, known for voicing Edna Krabappel. She died in October 2013. Another prominent voice actor, Harry Shearer, has voiced multiple characters, but he is still alive. It's important to verify recent news for any updates beyond that date.