Java Edition 13w12~

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The pre-reupload version of this version is currently missing.
This version has been reuploaded at one point in time. While the reuploaded version has been archived, the pre-reupload has not, meaning that it is currently lost.
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Minecraft 13w12~
Release 13w12~.png

Java Edition



Release date

March 19, 2013

Snapshot for



Client (.json)

Protocol version


13w12~ were two debug snapshots for Java Edition 1.5.1 that attempted to fix an issue with the frame rate dropping significantly when using smooth lighting. The first debug snapshot was unsuccessful,[1] however the second debug snapshot was successful in fixing this bug.[2] The first snapshot was released on Mojira as a "temporary snapshot",[3] which is why these snapshots do not follow regular naming conventions.

These snapshots were only released as clients; no corresponding server was released. However, these snapshots share their protocol version number with snapshots 13w09c through 13w11a, meaning that 13w12~ can connect to servers running any of those snapshots.


1 bug fixed


  • The first upload of this version holds the record for the least amount of changes in a snapshot, changing nothing.
  • The reupload of this version ties the record for the least amount of changes with 20w08a, at one bug fix.
  • This is the first snapshot that breaks the naming convention set by every other snapshot, since it doesn't include a letter at the end of it. The only other snapshot that does this is 20w14∞; it appears as 20w14~ in game. However that was a joke April Fools snapshot, so this remains the only real snapshot that uses a ~ instead of a letter.


  1. Marked as fixed in 1.5.1 at the bug tracker.