Minecraft wiki entry for Development_versions, associated text: MC-72248 – Falling sand creates invisible blocks.
MC-83938 – Standing on entities with solid collision boxes (shulkers, boats) kicks you for flying.
MC-94025 – A world with seed 0 cannot be copied using the "Re-Create" option.
MC-98727 – Server: Entering a boat/minecart/horse while going upwards from jumping causes a kick for flying.
MC-111082 – Riding a boat with NoGravity on a server without flight enabled causes kick for flying.
MC-126772 – Underwater fog doesn't hide edge of chunks correctly at low render distances.
MC-135989 – Kicked for flying using trident with riptide enchantment.
MC-167763 – Blindness does not work underwater for certain graphics cards.
MC-185545 – Knockback Resistance on players is still affected by chance.
MC-185695 – Twisting vines don't reliably protect the player from fall damage.
MC-205232 – Player can see farther in powder snow with blindness effect.
MC-223834 – Pointed dripstone can form below some non-full (non-solid) blocks.
MC-226359 – The Zero-Width Non-Joiner shows as a "ZWNJ" box.
MC-229313 – Some blocks that negate fall damage don't reliably protect mobs at certain heights.
MC-230905 – Sky background is visible on certain reduced fog situations.
MC-233599 – /spreadplayers command does not allow for negative "under" values.
MC-235574 – Game crashes when replacing a block with a wall with blockstate up:false.
MC-242331 – Entities are displayed faster than chunks.