Firebase Admin Go SDK v1.0.1

• Now uses the client options provided during SDK initialization to create the http.Client that is used to fetch public key certificates. This enables developers to use the ID token verification feature in environments like Google App Engine by providing a platform-specific http.Client using option.WithHTTPClient().

Firebase Admin Go SDK v1.0.0

• Initial release of the Admin Go SDK. See Add the Firebase Admin SDK to your Server to get started.
• You can configure the SDK to use service account credentials, user credentials (refresh tokens), or Google Cloud application default credentials to access your Firebase project.

Authentication

• The initial release includes the CustomToken(), CustomTokenWithClaims(), and VerifyIDToken() functions for minting custom authentication tokens and verifying Firebase ID tokens.