Cobwebs can be placed in the air after killing a mob with the Weaving effect. This is inconsistent with Java's behavior, where it only be placed on the ground.
Steps to Reproduce
Create a new world (preferably Flat world)
Spawn a mob
Throw a splash potion of weaving on it
Kill the mob
Observed Result
The cobwebs are placed in the air after killing the mob with weaving effect.
Expected Result
The cobwebs are always placed on the ground.
Related to MC-270525
Can confirm.