Minecraft wiki entry for Development_versions, associated text: MC-80546 – Mounting and quickly dismounting vehicle does not move player to vehicle but only teleports them relatively to their position.
MC-141934 – Ctrl + pick block on a lectern does not display its book despite being saved to NBT.
MC-148955 – Iron golems can spawn inside of non-full blocks.
MC-149308 – Thrown items appear right in front of head for a frame.
MC-166276 – Thrown items and blocks sometimes appear black for an instant.
MC-166413 – Item frame turns black for an instant when being placed.
MC-166607 – Not set attributes throw error.
MC-166718 – Mobs no longer suffocate inside of soul sand, farmland or grass paths.
MC-167359 – Items are bright for a brief moment after being broken.
MC-167362 – Item frames are bright for a brief moment when placed.
MC-170340 – Mined blocks models can sometimes render blue for a moment.