Firebase Admin Go SDK v3.11.0

• Dropped support for Go 1.9 and 1.10. The Admin SDK for Go now requires Go 1.11 or higher. Thanks shogo82148 for the contribution.

Firebase Auth

• Added a new IsInvalidEmail() error checking function. Thanks shogo82148 for the contribution.
• Added auth.TenantManager API for creating, updating, retrieving, and deleting authentication tenants.
• Added auth.TenantClient API for managing users, configuring SAML/OIDC providers, and generating email action links for specific tenants.

Firebase Cloud Messaging

• Batch messaging APIs SendAll() and SendMulticast() now support sending up to 500 messages in a single call.

Firebase Admin Go SDK v3.10.0

Firebase Auth

• Fixed auth.ExportedUserRecord no longer exposes password hashes that are redacted due to lack of permissions in the service account credentials.
• Added auth.OIDCProviderConfig type and the related functions to create, retrieve, update and delete OIDC auth provider configurations.
• Added auth.SAMLProviderConfig type and the related functions to create, retrieve, update and delete SAML auth provider configurations.

Firebase Cloud Messaging

• Added support for sending an image URL with notifications. Thanks chemidy for the contribution.

Firebase Admin Go SDK v3.9.0

Cloud Messaging

• Added the SendAll() API for sending multiple notifications as a batch.
• Added MulticastMessage and SendMulticast() APIs for sending notifications to multiple recipients.
• Added support for specifying the analytics label for notifications via AndroidFCMOptions, APNSFCMOptions and FCMOptions types. Thanks chemidy for the contribution.

Firebase Admin Go SDK v3.8.1

• Fixed some unit tests that were failing in environments without Google Application Default credentials.

Firebase Admin Go SDK v3.8.0

Firebase Auth

• Added the email action link generation APIs for creating links for password reset, email verification and email link sign-in via auth.PasswordResetLink(), auth.EmailVerificationLink() and auth.EmailSignInLink(). Refer documentation for more details and code samples.
• All APIs in the auth package now automatically retry RPC calls failing due to I/O or HTTP errors.

Firebase Admin Go SDK v3.7.0

• Enabled automatic HTTP retries for the APIs in db, messaging and iid packages.

Firebase Auth

• A new SessionCookie() function for creating a session cookie from a Firebase ID token.
• A new VerifySessionCookie() function for validating a given session cookie string.

Firebase Admin Go SDK v3.6.0

Firebase Cloud Messaging

• The messaging.Aps type now supports configuring a critical alert sound. A new messaging.CriticalSound type has been introduced for this purpose.
• Public types in the messaging package now support correct JSON unmarshalling.

Firebase Auth

• The VerifyIDToken() function now tolerates a clock skew of up to 5 minutes when comparing JWT timestamps.

Firebase Admin Go SDK v3.5.0

• Dropped support for Go 1.8 and earlier.

Cloud Messaging

• messaging.AndroidNotification type now supports specifying a channel_id when sending messages to Android O devices. Thanks chemidy for the contribution.
• messaging.ApsAlert type now supports specifying a subtitle. Thanks chemidy for the contribution.
• messaging.WebpushNotification type now supports specifying additional FCM options. Thanks chemidy for the contribution.
• Improved error handling by requesting a more verbose error response from the FCM backend service.

Realtime Database

• Fixed how the SDK handles special characters in node names.

Firebase Admin Go SDK v3.4.0

Firebase Database

• firebase.App provides a new DatabaseWithURL() function that can be used to initialize clients that connect to different database instances in the same Firebase project.

Firebase Admin Go SDK v3.3.0

Authentication

• Fixed a regression introduced in the 3.2.0 release, where VerifyIDToken() cannot be used in Google App Engine.

Cloud Messaging

• messaging.WebpushNotification type now supports arbitrary key-value pairs in its payload.