版本区别在正版服里有介绍。
大多是细节方面的修改。
不过是鸟语。你懂的话。。。我发给你看。这是1.7.2的更新内容。
Minecraft 1.7.2
THE UPDATE THAT CHANGED THE WORLD
(This update includes 1.7 and 1.7.1)
+ Added lots of new biomes!
+ Added “AMPLIFIED” world type
+ Added Acacia and Old Oak wood types
+ Added Stained Glass
+ Added Packed Ice, Red Sand, Podzol
+ Added a bunch of new flowers, including double-height flowers and grass
+ Added more types of fish
+ Fishing rods can be enchanted
+ Achievements are now world specific
+ Gaining achievements now announced to other players
+ Added a few new achievements
+ Servers can now have a “server-icon.png” that is displayed in the multiplayer list
+ You can see who’s online before joining, just hover the player count number in the server list
+ New /summon command
+ Added Command Block minecart
+ Links in chat are now clickable
+ Click on somebody’s name to send a private message
+ Added a bunch of new graphics options
+ Added some shader tests (click on the “Super Secret Settings” a couple of times…)
* Biome placement has been improved, and oceans are smaller
* Portals to the Nether can now have different shapes
* Fishing is now more interesting
* Maps in item frames are now extra big
* The achievement screen is zoomable
* Preparations have been made to offer name change in the future
* You can now have multiple resource packs loaded at the same time
* Resource packs can now hold sound effects
* Servers can recommend resource packs
* Network code has been rewritten
* Sound manager has been rewritten
* Many many bug fixes…
- Removed the Rose flower
- Removed Herobrine

1.8.1指的远古旧版，1.7.10是最新的，1.7比1.6更改了一些设定以及修复了一些bug，纯净版直接搜索minecraft中文下载站http://www.minecraftxz.com/category/minecraft_client/
　　　　------喵，这里是小尾巴，我是萌萌的小尾巴，喵～

前胸仍需锻炼

版本问题我不知道，但我知道这是基岩，它打不烂的

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一个美好友善的吧，minecraft游戏交流吧欢迎你