request at a time. • Secure your callable and HTTP functions with a new cors setting. • Cloud Functions is now built on Cloud Run. • Google has collaborated with industry leaders to create the CloudEvents specification. • New trigger types include Firebase Alerts triggers, custom event triggers for Firebase Extensions • The firebase-functions SDK has been reimagined as more native to modern JavaScript. You can configure 2nd gen functions globally, use options objects, and use modular imports. • HTTP functions can now have a 1 hour timeout • Function instances now default to the default compute service account rather than the app engine service account.