Minecraft wiki entry for Parity_issue_list, associated text: Have quasi-connectivity.
Have generally more functionality.
Can equip armor on villagers[187] and wandering traders.[188]
Can place armor stands.[189]
Can place carpets on tamed llamas.[190]
Can place chests on tamed donkeys, llamas and mules.[191]
Can place horse armor on tamed horses.[192]
Can place saddles on pigs, tamed horses and striders.[193]
Can place shulker boxes underwater.[194]
Can shear mooshrooms and snow golems.[195]