Dryer appliance having fluid-ventilation features

A dryer appliance, as provided herein, may include a cabinet, a drum, a drying chamber, and a supply duct. The cabinet may define an internal volume. The drum may be mounted within the cabinet. The drum may define a drying chamber, a dryer opening, an air inlet, and a fluid port. The drying chamber may extend from a front end to a rear end. The dryer opening may be defined at the front end to permit articles therethrough to the drying chamber. The air inlet may be defined at the rear end to permit air therethrough to the drying chamber. The fluid port may be spaced apart from the air inlet. The fluid port may extend from the drying chamber to the internal volume. The supply duct may extend within the cabinet to the drum upstream from the air inlet.