| A | ↛ | BearerClient removed |
| ⇢ | C | OAuth2Client::get() added | |
| ⇢ | B | OAuth2Client::handleCallback() added | |
| ⇢ | A | OAuth2Client::getAuthorizeUri() added | |
| ⇢ | A | OAuth2Client::setUserId() added | |
| B | ↛ | BearerClient::get() removed | |
| B | ↛ | OAuth2Client::getAccessToken() removed | |
| A | ↛ | OAuth2Client::getAuthorizationRequestUri() removed | |
| A | ↛ | BearerClient::__construct() removed | |
| A | ↛ | CurlHttpClient::setHttpsOnly() removed | |
| A | ↛ | OAuth2Client::getHttpClient() removed | |
| A | ↛ | BearerClient::setUserId() removed | |
| A | ↛ | BearerClient::post() removed |