Minecraft wiki entry for Development_versions, associated text: Removed type property from minecraft:shooter as it was never used.
Updated minecraft:spawn_entity to have an internal entities object or array.
Updated the minecraft:behavior.circle_around_anchor behavior.
Added attack_chance to the minecraft:behavior.defend_village_target goal.
Fixed removed or destroyed entities querying as valid in script.
Invalid items in the spawn_item field of a minecraft:spawn_entity now display an error.
StompEggGoal no longer uses search_count as it now searches all blocks in the specified area.
Fixed navigation.walk to handle the case where it is used on a flying entity, so that the flying entity will not cause lag while it is touching the ground.
The minecraft:density_limit component is now documented in the Spawn Rules documentation section (MCPE-61126).
A content error will now show up if you provide an invalid item name to minecraft:interact in the transform_to_item field.