Minecraft wiki entry for Development_versions, associated text: MC-137627 – Loom pattern selection turns blank when using banner patterns.
MC-137977 – Pillagers with Multishot or Piercing crossbows don't have the enchanted effects.
MC-138004 – Pillagers do not shoot fireworks from their offhand.
MC-138084 – Light not passing through bamboo.
MC-138121 – Nether region sometimes appears in the overworld when going through a portal.
MC-138196 – Mobs don't burn when inside a wall / fence.
MC-138208 – While inside a box of transparent blocks, the world unloads.
MC-139295 – Pillagers that drop a loaded crossbow don't fire arrows when you try to use it.
MC-139689 – South-facing banners are placed differently on pillager outpost.
MC-140658 – Some snowy village buildings generate with incorrect blocks set from jigsaw blocks.
MC-140750 – Undead mobs don't burn during the day in bamboo blocks.
MC-141010 – 12 elder guardians spawn at monument.
MC-141916 – Campfire smoke stays behind when replacing area using structure block.
MC-141924 – Locking a map removes markers.
MC-141958 – Creeper and skeleton banners can be created without patterns.
MC-142332 – Campfire smoke remains after removing the block with /fill.
MC-142703 – Joining world outside of spawn chunks whilst riding an entity results in desync.
MC-143404 – NPE: Ticking entity with trader llamas, sheep, wolves, horses, cats, and chickens.
MC-144078 – Foxes don't get effects from the food they eat.
MC-144136 – Foxes don't attack tropical fish or pufferfish.
MC-144182 – If foxes have no AI, are sleeping, and it's thundering, they will wake up.
MC-144184 – Foxes with fire aspect swords don't make cooked chicken when killing a chicken.
MC-144195 – Foxes attempt to sit while swimming.
MC-144514 – Water buckets won't interact with double slabs.
MC-144517 – Block of quartz' bottom texture is the same as smooth quartz.
MC-144519 – Foxes are able to harvest berry bushes with /gamerule mobGriefing false.
MC-144580 – Llamas spit at tamed wolves.
MC-145023 – Game won't load when a specific resourcepack is equipped.