Auth
Added support for custom authentication Flows (Documentation)
Kreait\Firebase\Auth::signInAnonymously()
Kreait\Firebase\Auth::signInAsUser($userOrUid, array $claims = null)
Kreait\Firebase\Auth::signInWithCustomToken($customToken)
Kreait\Firebase\Auth::signInWithEmailAndPassword($email, $clearTextPassword)
Kreait\Firebase\Auth::signInWithRefreshToken($refreshToken)
Deprecations
Kreait\Firebase\Auth::getApiClient()
Kreait\Firebase\Auth::linkProviderThroughAccessToken()
Kreait\Firebase\Auth::linkProviderThroughIdToken()
Kreait\Firebase\Auth::verifyPassword()
Kreait\Firebase\Auth\ApiClient::exchangeCustomTokenForIdAndRefreshToken()
Kreait\Firebase\Auth\ApiClient::linkProviderThroughAccessToken()
Kreait\Firebase\Auth\ApiClient::linkProviderThroughIdToken()
Kreait\Firebase\Auth\ApiClient::verifyPassword()
Kreait\Firebase\Auth\LinkedProviderData
Kreait\Firebase\Factory::asUser()