Mercs: whelp bleed buggy

the neutral enemy onyxian whelps that have a “bleed (#)” as a passive ability text seem to lose the ability after turn 1 … the little lightning bolt sparkles as if it is applying the bleed, but the friendly mercs being hit do not get bleed applied … idk if this is related to friendly mercs losing windfury, but this seems to be part of a trend of passive abilities going poof