Firebase Admin Node.js SDK v7.1.0

Firebase Cloud Messaging

• A new messaging.sendMulticast() API for sending a message to a list of device registration tokens.
• A new messaging.sendAll() API for sending a list of messages as a single batch.

Firebase Auth

• Improved typings of the auth.UpdateRequest interface to clearly specify the nullable fields.

Cloud Firestore

• Upgraded the Cloud Firestore client dependency to v1.1.0.

Firebase Admin Node.js SDK v7.0.0

• Updated the Google Cloud Firestore client to v1.0.1. This contains breaking changes. Refer to the Cloud Firestore release notes for more details and migration instructions.
• Updated the Google Cloud Storage client to v2.3.0. This contains breaking changes. Refer to the Cloud Storage release notes for more details and migration instructions.

Authentication

• The verifyIdToken() and verifySessionCookie() methods now return auth/id-token-expired and auth/session-cookie-expired error codes for expired JWTs.
• Credentials-related errors are now reported with additional helpful details.

Firebase Admin Node.js SDK v6.5.1

• Implemented a Node.js environment check that is executed at package import time.
• Setting the GOOGLE_APPLICATION_CREDENTIALS environment variable to a refresh token file instead of a service account is now supported.

Firebase Admin Node.js SDK v6.5.0

• A new shaCertificate() method for creating instances of admin.projectManagement.ShaCertificate.

Authentication

• Fixed how the SDK parses the error codes sent by auth backend servers.
• Correctly marked optional fields in the UserRecord type.

Firebase Admin Node.js SDK v6.4.0

• [added] messaging.Aps type now supports configuring a critical sound. A new messaging.CriticalSound type has been introduced for this purpose.
• [added] messaging.AndroidNotification type now supports channel_id.
• [added] AppOptions now accepts an optional http.Agent object. The http.Agent specified via this API is used when the SDK makes backend HTTP calls. This can be used when it is required to deploy the Admin SDK behind a proxy.
• [added] admin.credential.cert(), admin.credential.applicationDefault(), and admin.credential.refreshToken() methods now accept an http.Agent as an optional argument. If specified, the http.Agent will be used when calling Google backend servers to fetch OAuth2 access tokens.

Firebase Admin Node.js SDK v6.3.0

• A new admin.projectManagement() API for managing apps in a Firebase project.
• New listAndroidApps() and listIosApps() methods for listing the existing apps in a project.
• New createAndroidApp() and createIosApp() methods for creating new apps in a project.
• New AndroidApp and IosApp APIs for updating individual apps.

Cloud Messaging

• ApsAlert type now supports specifying a subtitle. Thanks chemidy for the
  contribution.

Firebase Admin Node.js SDK v6.2.0

Authentication

• Added the email action link generation APIs for creating links for password reset, email verification and email link sign-in via auth.generatePasswordResetLink(), auth.generateEmailVerificationLink() and auth.generateSignInWithEmailLink().

Cloud Firestore

• Upgraded Cloud Firestore client to v0.19.0.
• Exposed the Transaction type from the admin.firestore namespace.

Cloud Messaging

• Improved error handling in FCM. The SDK now checks the key type.googleapis.com/google.firebase.fcm.v1.FcmError to set error code. Thanks chemidy for the contribution.

Firebase Admin Node.js SDK v6.1.0

• Upgraded Cloud Firestore client to v0.18.0.
• Exposed the CollectionReference, WriteBatch, WriteResult and
  QueryDocumentSnapshot types from the admin.firestore namespace.

Firebase Admin Node.js SDK v6.0.0

• The Admin SDK no longer supports Node.js 4. Developers must use Node.js 6 or higher to deploy the Admin SDK.
• The Admin SDK now installs Cloud Firestore and Cloud Storage libraries as optional dependencies. SDK installation no longer fails when encountering errors from Cloud Firestore, Cloud Storage or gRPC dependencies.
• Upgraded the Cloud Firestore client from 0.15.4 to 0.16.0. This version contains a new array-contains query operator and FieldValue.arrayUnion() and FieldValue.arrayRemove() APIs.

Firebase Admin Node.js SDK v5.13.1

• Upgraded Cloud Firestore client to v0.15.4.
• Exposed the Firestore Timestamp type from the admin.firestore namespace.