Update – As of the 8:48 AM on September 11th, some of our users are still reporting seeing this bug. We’re working with Facebook and hoping they’ll fix this as quickly as possible.
Over the weekend we heard from several of you about issues sharing with the Facebook iOS app and URLs with anchors, which AddThis uses for click and address bar tracking. Facebook seems to be using a kind of URL forwarder in the iOS app that isn’t correctly decoding the
%23 in the URL into a
#. This is causing URLs to 404 because the resource they’re looking for doesn’t have that name. We’ve reached out to Facebook about this issue. Continue reading