Deprecating Old Facebook Authentication – Use Only OAuth 2.0 Access Tokens

Starting October 1st all apps working with Facebook Connect must switch to the new OAuth flows. As a result, the face.com API will also deprecate Facebook authentication with FB sessions and support only the OAuth 2.0 access tokens.

Until now your applications could authenticate with Facebook either using an OAuth access token, or a Facebook session. The latter will become deprecated come October 1st and your applications must make sure to pass the relevant face.com API methods (recognize, facebook_get, etc.) only Facebook OAuth access tokens.

Read more on the Facebook Developer Blog.