Minecraft wiki entry for Development_versions, associated text: MC-5336 – Bonus chest does not always spawn on 'Snowy Kingdom' preset.
MC-12211 – Comparator in subtraction mode does not update visually under certain conditions.
MC-14826 – Leads in unloaded chunks break, become invisible or connect to an invisible target far away.
MC-63669 – Comparator timing issue.
MC-77652 – Falling Block does not have uniform transparency/non-transparency in the End.
MC-90602 – Chunks do not load correctly/not rendering.
MC-94838 – Comparator affected through gap.
MC-112292 – Texture for blocks using TileEntitySpecialRenderer is not bound for a short moment when entering a world and in superflat settings.
MC-125495 – Owner tag of item entities are ignored if entity is destroyed in 200 ticks (Age >= 5800).
MC-125511 – Item entity merging ignores Owner tag.
MC-127005 – Bottom of waterlogged blocks shows water texture.
MC-135110 – Crash when using outdated resource pack: Non [a-z0-9/._-] character in path of location.
MC-146327 – Reloading resource pack unsticks held item position.
MC-147241 – Recipe grouping pop-up is darker than it should be.
MC-151275 – Rain and snow turns gray when picking up arrows.
MC-161132 – Leaves are considered solid faces for block placement.
MC-163308 – Pillagers still spawning in trees in 1.14.4.
MC-164896 – Chests, boats, and beds are not shown behind dropped stained glass.
MC-165524 – Zombie pigman spawn eggs used on zombie pigmen do not spawn baby zombie pigmen.