Read this blog post about the facebook app, they've made a petition, guess it wont do any harm signing this too:
Petition to Microsoft regarding the official Facebook for Windows Phone application...
Petition: http://www.change.org/en-CA/petitions/microsoft-upgrade-facebook-app-for-windows-phone
Petition to Microsoft regarding the official Facebook for Windows Phone application...
Petition: http://www.change.org/en-CA/petitions/microsoft-upgrade-facebook-app-for-windows-phone