4 months ago - /u/sliced_lime - Direct link

Pre-release 7 for Minecraft 1.20 is now available in the Minecraft Launcher. This pre-release adds validation of symbolic links and fixes a bug.

This update can also be found on minecraft.net.

If you find any bugs, please report them on the official Minecraft Issue Tracker. For any feedback and suggestions on our upcoming 1.20 features, head over to the dedicated Feedback site category.


To improve safety, the game will now detect symbolic links used inside world directory. For a detailed explanation, check our help article.

  • If the target of a symbolic link is not on the user-configured allow-list, the game will not proceed with loading the world
    • Note: world directory itself can still be linked
  • The list of allowed symbolic link targets is stored in file allowed_symlinks.txt in client or server top directory
  • The file consists of entries (one per line) with following formats allowed:
    • Lines starting with # are comments and are ignored
    • [type]pattern, where type can be glob, regex or prefix
      • prefix matches start of path with given pattern (so for /test paths /test, /test/ and /test/foo.txt would match)
      • regex matches regular expression against whole path
      • glob uses OS-specific path matching mechanism (for example *.txt would usually match files with txt extension)
      • Note: paths will use OS-specific separators
    • pattern, which uses default prefix type

Fixed bug in 1.20 Pre-release 7

  • MC-257778 - Bamboo Mosaic Slabs and Stairs are not in the #slabs and #stairs block and item tags

Get the Pre-release

Pre-releases are available for Minecraft Java Edition. To install the Pre-release, open up the Minecraft Launcher and enable snapshots in the "Installations" tab.

Testing versions can corrupt your world, please backup and/or run them in a different folder from your main worlds.

Cross-platform server jar:

What else is new?

For previous changes for Minecraft 1.20, see the previous snapshot post. Read more about the changes in the Wild update in the release post

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