Clone as feature grabs only the summary, and not the first comment in a bug. Example of this result is here: https://bugzilla.redhat.com/beta/show_bug.cgi?id=144997 Not sure how reproducable, since most feature bugs have no comment fields before I clone them.
New cloning code in current beta. Please verify that this bug still exists and close if satisfactory.
No comments at all being cloned. See https://bugzilla.redhat.com/beta/show_bug.cgi?id=149728 (to which I am about to go add in the appropriate comments).
Yes, please.