Minecraft wiki entry for Development_versions, associated text: Crafted with a netherite ingot and the respective diamond item.
Does not burn in lava or fire, as a dropped item or when worn (players equipping netherite armor, however, can still take burning damage).
Floats in lava.
Grants one additional point of knockback resistance per item.
Tougher than diamond armor.
Has higher durability and enchantability than diamond.