Thread:Feedback/Bug: Changing a subject line is not recorded in user contributions list?

Compare

http://liquidthreads.labs.wikimedia.org/w/index.php?title=Thread:Talk:LiquidThreads_testing/_File:Needle_%26_Thread..jpg&lqt_method=thread_history

and

http://liquidthreads.labs.wikimedia.org/wiki/Special:Contributions/CRAYNO

The two edits from the page history after the creation of the page ("Comment text edited") do not show in the user contributions list, which also shows a (top) for the creation edit, erroneously. Perhaps it has something to do with the fact that the two edits only changed the subject line?