add new tool like
-hammer (stone, iron, gold, diamond and netherite) that break blocks in a 3x3 area
-smelting pickaxe that atomatically smelt ores and other (note: doesn't work with fortune)
-an infinite steak
and blocks like
-wireless redstone
-custom redstone block where you can choose the redstone output when right-click on it with a redstone wrench
-ghost block with is just a invisible block, you can pass through but place block on it (perfect for building)
-an OP crafting table where you can craft bedrock (recipe: stone in the middle entoured by obsidian)
-cave block which let you see through block
and other stuff like information about the player and the world
you can see some of the future block in the TEST tab in creative (note: they doesn't work yet)
you can comment your idea of what to add
