Just a question out of curiosity: If you could implement any small change to vanilla Minecraft, what would it be? Looking for things that would generally improve the game in your opinion, but not drastically change it.

I'll start off with a few:

• Feathers should burn as a smelting fuel.
• Flaming arrows should give off light like a torch when stuck in a block.
• A hand-held torch or lantern (works well for the shield slot).
• A powered redstone clock block (give off output every X ticks, greatly simplifying a number of contraptions) – though admittedly that might not be a small change
• And as always comes up eventually, Slabs and stairs for granite, diorite and andesite