Expo Push Notifications stopped working since 6 hours

Looks like the workaround for the SSL issue has already made it’s way to you, link for those looking.

If push notifications stopped working, it’s best to take a look at the push tickets and push receipts for details regarding the errors. Is it possible you revoked your APN key when you were rebuilding your app? That would happen if you passed either the --clear-credentials flag or the --clear-push-key flag