New JS SDK with OAuth 2.0 saving subdomain in fbsr_ cookie?

Question

EDIT: This bug was logged, and confirmed as a Facebook bug. It has now been fixed!

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I am testing my updates to move onto the new JS SDK. My app runs across mu

Answer 1

1) Check your App. domain in settings is set as mydomain.com and not www.mydomain.com
2) Use channel file and url in init:

FB.init({  
appId : [APP_ID],  
status : false,  
cookie : true,  
xfbml : true,
channelUrl : document.location.protocol + "//domain.com/xd_receiver.html",  
oauth : true
});  

https://developers.facebook.com/docs/reference/javascript/FB.init/

hope this helps