WASD - move Click - break trees, place F - hide/show hotbar P - save L - load E - hide/show crafting menu 1, 2, 3, 4, 5, 6, 7, 8, 9 - select slot on hotbar.
I fixed the placing bug, so now you use an item when you place it. I also fixed the floating trees bug, where saplings kept generating trees in the air