Minecraft wiki entry for Development_versions, associated text: MC-2871 – Baby zombies are not spawned when right-clicking onto an adult zombie with a zombie spawn egg.
MC-112990 – Powered data parameter of furnace minecart is set by client as well.
MC-128361 – Cannot eat a chorus fruit, golden apple, or enchanted golden apple in Creative mode.
MC-129273 – Attempting to place a painting in a spot where it cannot exist may play the hand animation anyway.
MC-141354 – Dragon fireball texture inconsistent with new fire charge texture.
MC-144263 – Anvils glitch out and make noise when dropped on a shulker.
MC-145821 – Stained glass, ice, slime block, and other transparent block particles are not transparent anymore.
MC-146305 – Wandering traders sometimes run extremely fast for no reason.
MC-146623 – Bonus chests can spawn in the air or over grass.
MC-147843 – Minecraft 1.14 can display the aquatic background.
MC-150079 – Some commands in a command block will not run if the last character is a space.
MC-156746 – Cannot change attribute generic.maxHealth for tamed wolves/dogs.
MC-156766 – Items stopped spreading far on death.
MC-160981 – Making tamed parrots sit or stand plays no hand animation.
MC-161154 – When the ender eye is unavailable, the hand animation still plays.
MC-163375 – Minecart with a furnace can take anything as fuel.
MC-164499 – Game crashes when creating customized superflat world with unparsable biome.
MC-164747 – Inconsistent capitalization of "By" in "Damage Blocked By Shield".
MC-165023 – Sand dropped on boats can force-update cacti, sugar cane, and bamboo, causing them to grow very quickly.
MC-165034 – Falling blocks convert to blocks when falling on top of a boat.