It has come to our attention that when upgrading your jquery-rails gem (or using other means of upgrading to jQuery 1.9 anyway), our jQuery SDK had some compatibility issues ($.browser doesn't exist anymore in jQuery 1.9 which was required by one of our components).

Since this could potentially cause problems, we released new versions of our jQuery SDK here. We introduced versioning because upgrading to latest also means dropping support for Internet Explorer 6.0. We will leave the choice up to you to:

Hope this helps!