The best version available! (We will say so 👀) Use stairs and slabs as a real seating area, or simply sit on any other surface.

The “don't move mister horse” feature you're looking for.

Convert command blocks to clickable signs by waxing a sign that has command blocks (max 4) behind it.

Get your chests/hoppers/... back by putting minecart and boat variants into a crafting grid to get all uncombined items! (ex: 1 minecart AND 1 chest)