Firebase Admin Go SDK v2.5.0

Firebase Cloud Messaging

• A new messaging package for sending messaging messages and managing topic subscriptions.
• A new Send() function for sending messaging messages.
• A new SubscribeToTopic() function for subscribing a list of device registration tokens to a messaging topic.
• A new UnubscribeFromTopic() function for unsubscribing a list of device registration tokens from a messaging topic.

Firebase Auth

• A new VerifyIDTokenAndCheckRevoked() function to check for revoked ID tokens.
• A new RevokeRefreshTokens() function to invalidate all refresh tokens issued to a user.
• A new property TokensValidAfterMillis has been added to the auth.UserRecord type.