What does Ephesians 3:6 mean?

Here’s the secret: people who aren’t Jewish get to share in everything God promised, just like the Jews do. They’re part of the same body and get the same benefits, all because of what Jesus the Messiah has done through the good news. Ephesians 3:6 - Modern Text Bible

(The big reveal is that non-Jews are fully included in God’s family, with equal standing and blessings.)