Minecraft wiki entry for Development_versions, associated text: MC-137532 – Loom does not update preview when changing dyes.
MC-137647 – Firework rockets fired from crossbow slide across the ground.
MC-138541 – Taming a wolf, horse, llama or parrot gives the "A Complete Catalogue" advancement.
MC-138577 – Lectern have a strange / incomplete collision-box.
MC-139991 – When witch was spawned by the witch hut, command or spawn egg, it will not actively attack the players.
MC-140049 – Illager patrol leader lacks the illager banner on the head, when it was spawned in the raid.
MC-140238 – No villages generating in superflat.
MC-140322 – Grindstone are resistant to any explosion.
MC-140594 – Raid bar will disappear after being filled in snowy villages.
MC-140790 – Multiplayer server crash at end of raids.
MC-140944 – Summoning illager near a villager while a second wave raid is loading at the same time causes a fatal ticking entity crash.
MC-141019 – When appending list entries in another list, the entries get appended in reverse order.
MC-141393 – Skeleton riding a turtle or parrot crashes the game.