Minecraft wiki entry for Development_versions, associated text: MC-159359 – Dispensers ignore honey level when collecting honey from hives/nests.
MC-159370 – Bees suffocate when against a solid block ceiling.
MC-159383 – Copying a bee nest/hive with NBT duplicates the bees inside of it as well, causing multiple bees with the same UUID to exist in the same world at the same time.
MC-159385 – Bees are not affected by Bane of Arthropods enchantment.
MC-159395 – Honey level of bee hives does not increase, as opposed to bee nests.
MC-159424 – Hostile bees will not sting the player if they have a flower in their hand.
MC-159441 – Bees stay leashed when leaving a bee hive, despite having dropped their lead when entering it, thus duplicating the lead.
MC-159515 – Bees do not sleep at night.
MC-159518 – Bees stop their animations when standing still, even when still in the air.
MC-159558 – Bees attempt to sting the player even after they have already stung the player.
MC-159560 – Semi-transparent pixels on bee textures.
MC-159584 – When a bee nest/hive with a bee inside is destroyed on creative, the bees inside disappear.
MC-159743 – Bee textures have inconsistent amounts of nectar.
MC-159880 – Bee duplicate passenger entities when entering and leaving hives.
MC-160008 – Drinking honey bottles does not immediately make a sound.