Minecraft wiki entry for Development_versions, associated text: MC-862 – Spawn protection does not work for item frames, paintings and armor stands.
MC-1541 – Beacon effect removes potion effect of the same type.
MC-51053 – Furnace minecarts lose power after navigating corners.
MC-88038 – Furnace minecarts go backwards when turning corners.
MC-106468 – End crystal beam has incorrect texture on one side.
MC-150575 – Concrete powder does not turn into concrete when letting it fall beside water.
MC-153987 – Falling down ladders while wearing elytra.
MC-166319 – B on "Open in browser" is lowercase in link confirmation GUI.
MC-167018 – Misplaced pixel in critical hit particle texture.
MC-167079 – Horse armor texture is off.
MC-167416 – Distance from where a monster will stop a player from sleeping is off-center.