Minecraft wiki entry for Development_versions, associated text: Added query.cardinal_facing_2d to get a ground plane direction that doesn't return up or down
Added the ability to put block models into the models/blocks folder
Added the ability for item triggers to send events to the block they are interacting with (when there is one such as on_use_on)
Added the ability to query the interacted face for both interactions with blocks and using minecraft:on_use_on in an item. Face can be queried with query.block_face