Setting this will solve the scroll issue for good. The problem - the script adds the message, and calls to scrollToBottom *before* the gravatar image is loaded, and until then the image is too small.  then the image is loaded, the element is now (delta) pixles longer, and on the next message, isNearTheEnd will return false.
Setting this will solve the scroll issue for good.
The problem - the script adds the message, and calls to scrollToBottom *before* the gravatar image is loaded, and until then the image is too small. 
then the image is loaded, the element is now (delta) pixles longer, and on the next message, isNearTheEnd will return false.

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