Firebase Admin Python SDK v2.14.0

• A new project_management API for managing apps in a Firebase project.
• New list_android_apps() and list_ios_apps() methods for listing the existing apps in a project.
• New create_android_app() and create_ios_app() methods for creating new apps in a project.
• New AndroidApp and IosApp APIs for updating individual apps.

Realtime Datbase

• Fixed a performance issue in the db.listen() API where it was taking a long time to process large RTDB nodes.
• Fixed how the SDK handles special characters in node names.

Cloud Messaging

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

Authentication

• Fixed the property UserRecord.tokens_valid_after_time so that it always returns an integer, and never returns None.