Minecraft wiki entry for Development_versions, associated text: MC-1040 – Tools with Unbreaking enchantment break, disappear from slot then reappear
MC-2920 – Wrong fishing line calculation
MC-11449 – Repeaters update very differently
MC-11877 – Fishing bobber floats a block above water
MC-47508 – Ridden entities disappear on re-login
MC-55851 – Leads not rendering when spawned (attached to mob/fencepost) via command block/structure block
MC-79996 – Blocks like crops and rails are solid to fishing rods.
MC-80500 – Snow layer placed against the side of another snow layer are placed one block too far out, only when there's a block where snow would go normally
MC-80782 – Memoryleak caused by Maps; even post reconnect
MC-87988 – Fishing rod sometimes cannot reel in entities
MC-93286 – Fishing rod can't pull mob
MC-94169 – Fishing rod bobber collision error and into the block
MC-94502 – Pasting numbers in customized world generation text fields does not enable "Defaults" button
MC-95450 – Some mobs have missing loot tables
MC-95944 – Fished items doesn't reach player
MC-96110 – Bobber hitbox is not synchronized
MC-96205 – Boat still does rowing animation while pressing a and d
MC-98995 – Birch Forest M biome generation off
MC-99427 – Fishing bobber sticks to entity sometimes only visually
MC-100711 – Arrows not able to be picked up when on a changing repeater
MC-100964 – Resetting demo mode dialog cannot be canceled by button
MC-102041 – "Skipping Entity with id " message is missing invalid entity id
MC-103100 – Fishing rods do not always pull in items
MC-103313 – Hitbox of baby mobs / slime / magma cube / llama are offset for some seconds
MC-104663 – Fishing particle glitch
MC-108238 – Teleporting away from leashed entity causes leash knot to be near 0 0 0 client side