Minecraft wiki entry for Development_versions, associated text: MC-171363 – In the Nether forest biomes, large fungi and small plants generate only on the topmost layer of nylium, leaving all lower layers devoid of flora.
MC-173526 – All minecarts can survive in lava.
MC-174479 – Cannot place sea pickles on soul sand.
MC-174520 – Soul particle texture is incorrect for the first frame.
MC-176753 – Piglins stand around dropped golden items if their CanPickUpLoot tag is set to 0b.
MC-181204 – doDaylightCycle button slightly incorrectly labeled.
MC-181233 – Mobs cannot spawn on wooden trapdoors, but can on iron and nether fungus trapdoors.
MC-182430 – Piglins continuously try and fail to pick up gold ingots if they cannot reach them.
MC-185684 – Enderman can teleport when hit in cases where they previously would not teleport.
MC-186627 – Undead mobs do not burn in daylight in custom dimensions.
MC-187112 – Extra space in "Keep Jigsaws" button in jigsaw block.
MC-187126 – Jigsaw block UI is not closed when pressing "Generate."
MC-187129 – Jigsaw blocks do not generate the correct structure until "Done" is pressed and the UI is reopened.
MC-187598 – Block hitboxes still cause semi-transparent blocks not to render behind them in lower than "Fabulous" graphics settings.
MC-188459 – Potted cactus still missing cullface argument for top.
MC-188534 – Potted cactus missing bottom face.
MC-189769 – Fungi grows through fire.
MC-190098 – Structure size and offset still limited to 32 for dedicated servers.
MC-190852 – Advancement announcement message has switched brackets for right-to-left languages.
MC-190856 – /list uuids shows parentheses incorrectly for right-to-left languages.
MC-190860 – '/' (slash) in chat and command block shows legacy formatting symbol for right-to-left languages.
MC-190891 – Certain redstone circuits causing lag.
MC-190892 – Brackets in potion effects are reversed in right-to-left languages.
MC-191501 – Opening a world from earlier 1.14 releases in 1.16 causes villagers to vanish.