In minecraft if you wish to fill a chest with something (say for a map) you must shift-click every item. What I think should be done is you can shift-click and hold and move the mouse over the items and they will pop into the chest. This would make it faster to put lots of things into a chest, or better yet hold a key and click to put a row into it.

Also the ocean in Minecraft is bare, the only mobs in it are squids and they do nothing have have almost no purpose. There should be more under-water 'stuff', like fish instead of just throwing a line in and wait for it to move, there should be aggressive mobs in the water like sharks and jelly-fish (but only have a 1/20 chance of spawning). There are Desert and Jungle temples so why not underwater ones to? problems with redstone or tripwires? Should add water resistant redstone or a new underwater trigger thing. As well as new traps (no offence but the traps in the Jungle and Desert temples have very simple, even someone who has never played Minecraft before could get past it. They should also be fixed/improved) Minecraft should have all these things as it will improve it greatly, the adventurous part and the strategy part.

It would be great if all of these things were added as it would improve Minecraft greatly.

Also to prevent illegal accounts e.g. minecraftsp It should be made that you have to be logged in on the launcher and have a confirmed account before you can update or download.