
A series of images was released recently, indicating some interesting changes to tool repairs in the future update. Aside from the standard repair type, it is suggested that combining two different enchanted tools might produce a new tool, carrying the benefits of both:

The days of having numerous tools with a single, useful enchantment may be drawing to a close - while the option to keep numerous enchanted tools remains an option - one common example being, having a separate Silk Touch pickax from the standard ones - the ability to take two tools and make one vastly better one remains a very appealing option for those looking to save on space, or just boost their arsenal of mining, hunting and farming capabilities.
Keep an ear to the ground, as we bring you more updates on these changes.
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Adventure map makers will actually be able to give players tools and weapons with unique names, if they make them, and then deposit them in the map for the player to find. This will add much more depth to adventure maps.
Now all we need is for the control block to be able to check for /itemcheck 'name' or something and then if true do something like activate redstone.
In fact, that makes me wish for a "Conditional" block. Much like the control block but would activate a red-stone signal IF the entered question returns true when the block is activated.
Then we could technically make a sword Named KEY, and have it actually open a door or something.
But yes. I find updates that add the ability to be more creative in map making more interesting, since a third of people play minecraft for the adventure maps.
I was looking at the enchanting page on the minecraft wiki, at the notes section and it said no sword will be able to get sharp V except golden swords.
Thats only because golden swords have the highest enchantabililty which means that they can get better enchantments easier. The enchantment still exists for others, it just can't be enchanted on them with a enchantment table.
Actually, a higher enchantment level can be achieved with 3rd party software, I've seen Looting XX or so on admins' tools, so who knows if the cap will be removed for vanilla in this update to allow the making of even stronger tools.
Yes you can get higher enchantments but they are purely for the ability to say i have a looting 50 sword even though it does the same as looting 3 or anything. They do not effect the sword or pickaxe or whatever unless you have installed a mod to make them work.
Also on a side note, when are we getting more durable golden swords!? Let's face it, gold is super enchantable, and tools can get unbreaking, but it's pretty messed up when your sword can only be used 30 times before it breaks. Can't we give swords a minor (passive) durability boost when they get enchanted?
Yes, Zephrith. That is a possibility, unless they change on how the repair system works. But, why would you want to combine them? Silk touch takes over the fortune enchant and only gives one block of (ex:diamond ore) not multiple individual diamonds or diamond ores.
Hmm...Nice idea, but I bet they didn't implement that in this preview. Its only basically about the improved repair system, not about new tools or anything. Nice guess, though, as I might like them to implement something like this into the game.
Not unless they work at mojang. We don't know how it will be crafted.
so does this mean we will have the ability to name our tools as well? I could see custom maps/servers with "legendary" items, it would defiantly be cool.
EDIT: I am not sure about bows and armor being able to be repaired, but obviously you can do it with picks, swords, etc.