Facebook FXBML since Yesterday not rendering (IFRAME Canvas)

Question

since yesterday is my app not rendering the xfbml Tags (name and picture). Iam using the new JavaScript SDK inside an Canvas-Iframe Application.

Firebug tells me the

Answer 1

Facebook have recently released a major update to their API, including changes to their Javascript and XFBML features. Not sure when they were deprecating old interfaces, but you may be caught up in the crossfire if you're not using the new API.

The new API is here: http://developers.facebook.com/docs/reference/javascript/