我的世界Minecraft 1.12 Pre1 发布。预发布版是Minecraft的测试机制，如果该版本作为正式版发布，那么预发布版的游戏文件将与启动器推送的正式版完全相同。然而，预发布版主要用于服主和Mod制作者的预先体验，如果发现致命漏洞，该预发布版会被新的预发布版代替。因此对于普通玩家建议持观望态度。Minecraft 1.12 仍未发布，1.12pre-1为其第1个预发布版。
One step closer to 1.12!
离1.12只差一步!
We're so close to 1.12 now that we feel like it's time for a pre-release! We expect to have at least another pre-release next week, but if all goes well and no critical bugs are found then a full release is fairly imminent!
我们现在已经非常接近1.12正式版了，现是发布预发布版的时候了! 我们预计下周至少还会有一个预发布版，但是如果一切顺利，并且没有发现任何严重的错误，正式版的发布将会是相当迫切的!
Changes inpre-release 1：
预发布版1所做的新改动：
Added new advancements: "A furious cocktail", "Postmortal", "Subspace Bubble", "Uneasy Alliance"
添加了新的进度"A furious cocktail", "Postmortal", "Subspace Bubble"和 "Uneasy Alliance"。
Advancement trees are now centered in the UI
进度树现在集中在UI中
Technical: Optimized the recipe book
技术方面：优化了配方书
Technical: Items & entities in advancements have an extra "nbt" field (string nbt, like in commands)
技术方面：进度中的物品 items 和实体 entities 现在有一个额外的“nbt”字段(一个字符串nbt，像在命令中一样)。
Technical: Entities in advancements have an extra "effects" and "location" field
技术方面：在进度中的实体有一个额外的“effects”和“location”的字段
Technical: Added new "effects_changed", "used_totem", "nether_travel" advancements triggers
技术方面：添加新的进度标签"effects_changed", "used_totem"和 "nether_travel"。
Technical: Removed "commands" from advancement rewards
技术方面：从进度奖励中删除了"commands"
Technical: Removed "arbitrary_player_tick" advancement trigger
技术方面：移除了进度触发器"arbitrary_player_tick"
Technical: Added "function" to advancement rewards
技术方面：添加了进度奖励"function"
Technical: Added new "function" system, plaintext files in world/data/functions/namespace/file.txt
技术方面：添加了新的“function”系统，为纯文本格式，位于 world/data/functions/namespace/file.txt
Technical: Functions are a list of commands, one line per command, with //comment (or #comment) support
技术方面：function是一个命令列表，每行有一个命令。支持使用//comment或#comment来注释。
Technical: Added new "/function namespace:file" command
技术方面：添加了新的"/function namespace:file"命令
Technical: Added new gamerule "gameLoopFunction", a function to be executed once per tick
技术方面：添加了新的gamerule "gameLoopFunction"，这是一个每游戏刻执行一次的功能。
Technical: Added "hidden" field to advancement display info, defaults to false
技术方面：为进度提示信息添加了"hidden"字段，默认为关闭
预发布版1中修复的Bug：
Fixed bugMC-11240- Ignited TNT can be set on fire by a Flame Bow.
修复了点燃的TNT会被火焰弓烧着的问题
Fixed bugMC-50166- Game states that "The block couldn't be placed" when using /setblock to place air in a space occupied by a tile entity, despite working
修复了在被方块实体占用的空间里使用 /setblock 时，尽管成功放置了方块，游戏统计中依然会显示"此方块不能被放置"的问题
Fixed bugMC-95367- Tamed dog, cat or parrot in a minecart teleports to a player (not visually)
修复了在矿车中的被驯服的猫，狗或鹦鹉被传送给一个玩家的问题 (不可见)
Fixed bugMC-96555- Wolves, ocelots and parrots can teleport in all non-full cube blocks near owner including path, lava, fire...
修复了狼，豹猫和鹦鹉可以传送到所有非完整的立方体块附近的玩家的问题，包括路，岩浆，火等
Fixed bugMC-100468- Dogs, cats and parrots teleport to player despite being in a boat (yet not visually)
修复了在船上的猫，狗，鹦鹉依然会传送到玩家的问题(但是不可见)
Fixed bugMC-111699- Can't rename stacked items
修复了无法重命名堆叠物品的问题
Fixed bugMC-111744- Anvil outputs only 1 item when renaming
修复了重命名时铁砧只输出一个物品的问题
Fixed bugMC-113380- Concrete powder won't turn into concrete when replacing water
修复了替换水时混凝土粉不会变成混凝土的问题
Fixed bugMC-113434- The color of white wool sheep is light grey
修复了白色羊的毛的颜色是浅灰色的问题
Fixed bugMC-114235- Concrete powder texture is not randomly rotated
修复了混凝土粉的纹理不是随机旋转的问题
Fixed bugMC-114534- Beacon beam is darker than it should be
修复了信标光束过暗的问题
Fixed bugMC-115070- Issue with crafting table UI on non-16:9 instances
修复了非 16:9 比例下的工作台UI的问题
Fixed bugMC-115206- Parrots stare at bats over 30 blocks away, through the ground
修复了鹦鹉会越过方块注视 30 格以内的蝙蝠的问题
Fixed bugMC-115460- Recipe advancements for yellow dye have reversed unlock conditions
修复了用向日葵和蒲公英制作黄色染料的配方进度解锁条件写反了的问题
Fixed bugMC-115813- Old (non-dyed) beds are invisible
修复了旧的，没有染色的床不可见的问题
Fixed bugMC-116024- Pre-17w15a beds become red if in-world but white in chests
修复了 17w15a 之前版本的床在世界中是红色的，放入箱子变成白色的问题
Fixed bugMC-116459- Parrots suffocate when getting in a bed with a solid block behind it
修复了当一个完整方块在床后面，鹦鹉在玩家背上，玩家上床时鹦鹉会窒息的问题
Fixed bugMC-116760- @a selector doesn't work with the /recipe command in multiplayer
修复了 @a 选择器在多人游戏的 /recipe 指令下不工作的问题
Fixed bugMC-116945- Knowledge book gives recipe before removing itself from inventory causing unexpected advancement behavior
修复了移除配方书本身之前给玩家这个配方，会导致意外的后果的问题
Fixed bugMC-116957- Advancement doesn't get revoked when /reload is quickly executed afterwards
修复了当快速执行/reload时，进度不会被撤销的问题
Fixed bugMC-116963- Changing dimension prints debug message in log
修复了更换所在世界时会在log中生成一段调试信息的问题
Fixed bugMC-116964- Parrots sometimes run in circles instead of pathfinding normally.
修复了鹦鹉有时候会原地打转而不是去寻找路径的问题
Fixed bugMC-117001- Serious dedication challenge is granted when breaking any tool
修复了损坏任意工具时都会获得成就Serious dedication的问题
Fixed bugMC-117007- milk_bucket can't trigger consume_item of advancements
修复了牛奶桶无法触发consume_item的进度的问题
Fixed bugMC-117008- Vines under trapdoors block them
修复藤蔓会长在放在上方的活板门下部的问题
Fixed bugMC-117015- Glass panes & iron bars no longer connect to glass
修复了玻璃板和铁栏杆不会连接玻璃的问题
Fixed bugMC-117019- Tripwire hooks break off of backs and sides of stairs upon receiving a block update
修复了拌线钩在更新时会从楼梯背面或两边脱落的问题
Fixed bugMC-117036- 17w18b Crafting book glitch
修复了17w18b中制作书发生的故障
Fixed bugMC-117063- Snow layers on barriers
修复了雪片可以放置在屏障上的问题
Fixed bugMC-117069- Door in Recipe Book when hold click shows the trapdoor recipe
修复了配方书中点击门的图标会显示活板门的配方的问题
Fixed bugMC-117118- Levers / buttons placed on the trapdoor are dropped if pressed
修复了放在活板门上按钮和拉杆在按动或拉动时会掉落的问题
Fixed bugMC-117160- Parrots follow and watch invisible mobs
修复了鹦鹉会跟随并观察不可见的怪物的问题
Fixed bugMC-117161- Parrots imitate silent mobs
修复了鹦鹉会模仿沉默的怪物的问题
Fixed bugMC-117167- Error message for player advancement data containing only "null" calls advancements "achievements"
修复了进度文件内容为空时会把对应进度错误地叫做成就的问题
Added some new bugs!
添加了新的Bug!