Minecraft wiki entry for Development_versions, associated text: MC-138118 – Parrot wing texture is reversed on the bottom.
MC-148422 – Stripped dark oak log side texture is too bright.
MC-150567 – Dark oak log top texture bark ring not updated.
MC-162038 – Pillagers have no hood texture.
MC-162803 – Lily Pad mirrors texture when placed.
MC-170557 – Spruce door top/bottom has the incorrect texture.
MC-176309 – Illusioner has a few misplaced pixels left in their texture.
MC-176824 – Red glass and outline of blue glass are slightly more opaque.
MC-176833 – Anvil GUI hammer uses an outdated iron pallet.
MC-177664 – Sound system warning messages are spamming the system log.
MC-180398 – Too many sounds causes client to stall, limit can be easily reached with rabbits.
MC-194822 – Glass pane top texture has not changed with the Texture Update.
MC-194950 – Cactus in potted cactus is vertically squished.
MC-198007 – Villages replace ice with path blocks instead of wood.
MC-199662 – Extra pixels in cocoa pod textures as of Texture Update.
MC-200046 – Cartography table planks texture is incorrect/slightly outdated.
MC-200137 – Lectern base plate texture still uses the old planks texture.
MC-200956 – Beetroot seeds texture is not vertically centered.
MC-200957 – Melon seeds texture is not vertically centered.
MC-202910 – Inconsistent highlight color on armor.
MC-204901 – Side texture for dirt paths hasn't been updated with the texture update.
MC-219132 – Cave vines hang from amethyst buds and clusters.
MC-221172 – Warped and Crimson Stems use different top texture from Bedrock Edition.
MC-222154 – Cave vines can generate hanging on pointed dripstone.
MC-222763 – Armor stands use the old smooth stone slab texture.
MC-225553 – Oak and iron doors have a line in their textures.
MC-226711 – Carrot crop texture has an incorrect pixel.
MC-227258 – Flowering Azalea Leaves are in both #minecraft:mineable/hoe and #minecraft:mineable/axe tags, while regular Azalea Leaves (and all other leaves) are only in #minecraft:mineable/hoe.
MC-228900 – Cave vines can generate floating (Recurrence of MC-218817).
MC-229977 – Breaking blocks with pistons on the east/west direction causes significant lag.
MC-231219 – Cave vines can occasionally generate hanging on fences.
MC-231272 – Cave vines can sometimes generate hanging on cobwebs.
MC-231818 – You can no longer use the up or down arrow to navigate between servers in the multiplayer menu.
MC-233883 – The hide and show messages buttons in the social interactions menu display their hover text regardless of the position of the cursor.
MC-234039 – The back of wild axolotls are off-centered.
MC-235567 – Clusters of dripstone (stalagmites) tend to generate abnormally frequent with thickness "tip" on tall caves.
MC-241747 – Inconsistent Colors in grindstone GUI.