OK, so I received an email from Facebook:
" Dear Developer,
Read more in the OAuth2 migration announcement, updates to the new JS SDK blog post, or our JS SDK docs.
If your app was affected today, please ensure that you have made these changes by December 13th, 2012 to avoid any disruption with your users.
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
July 15, 2020: Q2A 1.8.5 released!