I’ve just posted a reply to a forum post, including the URL of a 3Dwarehouse component set that I uploaded some time ago.
The correct image for the model containing the components appears in the post (as it does here), but clicking on it does nothing - I thought it should open a new tab or window on the warehouse at the correct page for the model.
I’ve included a text link as well by including the URL inside single backticks, which does work if you paste it in a browser, but it isn’t clickable here either.
Has something been broken again? There was this thread (now closed) which seems to refer to the same issue, back in March 2017: