In creative Mode, Seagrass does not drop its entity when harvested with shears. When Harvested with shears in survival mode, it does drop its entity.
In creative Mode, Seagrass does not drop its entity when harvested with shears. When Harvested with shears in survival mode, it does drop its entity.
Nothing is supposed to drop in creative mode, whether using hand or tools to break them. If something drops, then it's definitely a bug.