Minecraft wiki entry for Development_versions, associated text: MC-3328 – Dismounting an entity places riding entity/player half block too high.
MC-64242 – Silent tag is not working for some entities.
MC-76810 – Casting issue: Bone meal particles break at high coordinates (floating-point precision).
MC-100342 – Several non-ticking blocks are marked as ticking forcing the growth-algorithm to check chunks needlessly.
MC-113809 – Chorus flower plant, bamboo, sugarcane, cactus, and other plants grow instantly when supporting block is replaced with same block type.
MC-114000 – Mouse click in cat hissing sounds.
MC-118096 – Incorrect position of particles when using bone meal on grass block.
MC-118327 – Parrots cannot teleport onto non-full cube / transparent blocks.
MC-122128 – Recipe book resets itself to closed state after death.
MC-129137 – Parrots are able to imitate hostile mobs in Peaceful difficulty.
MC-130137 – Grass and mycelium do not decay underwater.
MC-135849 – Grass and mycelium do not decay under waterlogged blocks.
MC-140545 – Pathfinding prefers north (negative Z) direction.
MC-147368 – Pillager outpost can generate in water.
MC-148360 – Cave ambience sounds play no matter where you are.
MC-148936 – Parrot summoned with negative Age has smaller hitbox.
MC-149081 – Entering a bed from a mount causes the player to bounce up and down.
MC-149375 – Camera can be positioned inside of snow layers.
MC-160959 – Clicking onto a bed in daytime does not grant the advancement "Sweet Dreams".
MC-163918 – Bees not animating their pollen gathering.
MC-166980 – Bees become stuck wandering to the north-west after completing a task, or randomly in large numbers.
MC-168384 – NBT-Tag Silent:1b does not work for bees.
MC-169965 – Potion effect timers for higher levels can remain at 0:00 after the higher level has run out if multiple levels of the same effect were applied in descending order.
MC-170584 – Structure taiga_meeting_point_2 from zombie villages has 1 misrotated log.
MC-170591 – Misrotated floor blocks in desert_tool_smith_1 basement.
MC-170773 – Recipe book and filtering craftable do not stay open for blast furnace and smoker when (re)loading the world.
MC-173828 – Village church entrance does not generate correctly.
MC-174071 – Roof of savanna_mason_1 is cut off.
MC-174072 – Structure savanna_temple_2 contains one misrotated block.
MC-174073 – Two misrotated blocks in savanna_small_house_5.
MC-174075 – Misrotated block in savanna_butchers_shop_1.
MC-174076 – Inconsistent rotation of logs under windows in savanna_small_house_4.
MC-174077 – Structure snowy_library_1 no longer has snow under the roof.
MC-174078 – Three misrotated blocks in snowy_armorer_house_2.
MC-174079 – Misrotated block at snowy_weapon_smith_1.
MC-174082 – Three misrotated blocks in snowy_small_house_2.
MC-174083 – Three misrotated blocks in snowy_butchers_shop_1.
MC-174234 – Village structure snowy_masons_house_1 has two misrotated blocks.