我的世界Minecraft Java版17w49a发。每周快照是Minecraft的测试机制，主要用于下一个正式版的特性预览。然而，每周快照主要用于新特性展示，凡是存在大量裂痕。因此对付普通玩家发起仅做测试尝鲜用。利用测试版打开存档前请务必备份。合用于正式版的Mod不兼容快照，且大大都Mod都差池每周快照提供支持。Minecraft 1.13 仍未宣布，17w49a为其第9个预览版。
Minecraft 快照 17w49a
Java版 1.13 的快照
This weeks snapshot brings us bug fixes! Lots of bug fixes.
这一周的快照都是修裂痕!修了许多裂痕。
17w49a的变动
Added new data concept: 'tags'
增加了新的数据观念：'tags'
Lots of bug fixes!
修了许多裂痕!
Tab now also cycles the command suggestions again
Tab再次可以轮回选择呼吁提示了
修复的裂痕：
Fixed bugMC-99321- Hoppers cannot pull items from double chests if second chest is blocked
假如第二个箱子被锁，漏斗无法从大箱子吸出物品
Fixed bugMC-121282- Server icons erased on loading multiplayer menu
处事器图标在加载多人游戏菜单时消失了
Fixed bugMC-121631- Taking items from the creative inventory search tab no longer resets search text
从缔造模式物品栏的搜索选项卡中拿出物品后不再重置搜索文本
Fixed bugMC-121632- Pressing "chat" key selects search in creative inventory/recipe book AND types the letter
按下“谈天”按钮会转到缔造模式物品栏/配方书，并输入相应字母
Fixed bugMC-121648- "Difficulty" in settings is untranslated and lowercase
“难度”选项未翻译，且为小写形式
Fixed bugMC-121665- Key "None" display string as "key.keyboard.-1"
键位“无”会显示字符串“key.keyboard.-1”
Fixed bugMC-121705- Cursor is offset from actual mouse location when opening GUIs while moving mouse
在移动鼠标时打开GUI界面，会导致光标位置偏离实际位置
Fixed bugMC-121709- The clickable area to sort the statistics menu are not in the right place
统计菜单里的可点击区域不在得当的位置
Fixed bugMC-121714- Unable to save screenshot of PNG format
无法将截屏生存为PNG名目
Fixed bugMC-121718- You can not select the spectator menu
无法选择傍观者菜单
Fixed bugMC-121808- Command argument validation for single entity says player in some error messages
对付只容许单个实体的呼吁参数，错误信息写的是“玩家”一词
Fixed bugMC-121873- Dark background missing from beacon GUI
信标GUI缺失玄色配景
Fixed bugMC-122148- No Block, Item, Mob, GUI, or any other texture renders -- No sounds play
无方块、物品、生物、GUI，或其他所有材质的渲染——没有声音播放
Fixed bugMC-122270- Pushing blocks with connections doesn't update them
敦促有毗连的方块不会导致更新
Fixed bugMC-122295- Backups folder is created outside of the server directory when using a dedicated server
利用专门处事器时，备份文件夹建设在了处事器目次之外
Fixed bugMC-122309- '/gamerule gameLoopFunction' does not tab complete function names
'/gamerule gameLoopFunction'无法自动补全函数名称
Fixed bugMC-122314- All maps created in earlier versions are now the same
所有早期版本的舆图都酿成一样的了
Fixed bugMC-122355- Crash on breaking banner: java.lang.ClassCastException: arw cannot be cast to aru
粉碎旌旗时瓦解：java.lang.ClassCastException: arw cannot be cast to aru
Fixed bugMC-122383- Pre-existing chests invisible, overlapping
预先存在的箱子有不行见、重叠的问题
Fixed bugMC-122395- Custom player heads are called "block.minecraft.player_headnamed"
自界说玩家头颅的名称为"block.minecraft.player_headnamed"
Fixed bugMC-122492- Debug stick can be used by non-op players
非打点员玩家可以利用调试棒
Fixed bugMC-122521- Damaged anvil always turns to the North
损坏的铁砧永远朝南
Fixed bugMC-122536- "set_nbt" function in loot table does not merge NBT to item
战利品表的"set_nbt"成果无法归并NBT标签到物品中
Fixed bugMC-122558- Health criteria scoreboard objectives do not use hearts to display value anymore
Health类记分版方针不再利用心形显示值了
Fixed bugMC-122573- Crash due to carpet and sticky pistons
因地毯和粘性活塞导致的瓦解
Fixed bugMC-122584- Incorrect format string order in statistics
统计中有不正确的名目字符串顺序
Fixed bugMC-122625- Order of contents of north- and east-facing double chests changed after update
更新之后，朝北和朝南的箱子中物品的顺序会改变
Fixed bugMC-122639- Can't place lily pads on ice
无法在冰上安排睡莲
Fixed bugMC-122643- Snow, carpet and daylight detectors culling adjacent upper slabs
雪、地毯和日光检测器会导致连接的上半砖渲染堕落
Fixed bugMC-122644- Datapacks cannot replace vanilla crafting recipes.
数据包无法替换纯净合成配方
Fixed bugMC-122646- Attempting to add cullface to glass panes does not work
向玻璃板添加剔除面不起浸染
Fixed bugMC-122650- Player heads aren't affected by upgrade paths, renamed to "block.minecraft.player_headnamed" + head texture does not show, only when placed
玩家的头不会被路径更新影响，被重定名为"block.minecraft.player_headnamed + 头部材质在安排后不显示
Fixed bugMC-122718- Dirt border of "video settings" menu encroaching too far on settings
“视频配置”菜单的土壤材质在配置界面延伸过远
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