If we place a red mushroom at the center and two blocks deeper of the end portal frame and if we bonemeal it, it will grow. Which will result the end portal frame to disappear. But it shouldn't be like that because end portal frame indestructible.
Steps to Reproduce:
Build an end portal 2 blocks above the ground
Place a red mushroom in the center of the end portal
Grow the mushroom with bone meal
Observed Results:
The mushroom replaces the end portal frames.
Expected Results:
The mushroom should not replace the end portal frames.
Other blocks than end portal frames are also affected by this bug.
List of other blocks:
Notes
Glass Block
Ice
Glowstone
Oak Trapdoor
Anvil
Needs a supporting block.
Otherwise, it will fall.
Chest
All items that were in the chest will drop.
Scaffolding
Shulker Box
Dragon Egg
Needs a supporting block.
Otherwise, it will fall.
Empty Cauldron
Water Cauldron
Lava Cauldron
Decorated Pot