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Minecraft 13w12~

Java Edition



Release date

March 19, 2013

Snapshot for




Protocol version


Missing Texture Block.png
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 While the reuploaded version has been archived, the pre-reupload has not, and as such is it currently lost.
If you believe you have a copy of this version, please post on this page's talk page.

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.

The second version is still available for download from minecraft.net, but the first one is missing because the second version was uploaded to the same URL.

These snapshots were only released as clients; no corresponding server was released, as evidenced by the fact the only download link for these snapshots ends in .jar, rather than .zip (or some other file format that would allow the server to be bundled with the client JAR). However, these snapshots share their protocol version number with snapshots 13w09c through 13w11a (inclusively), meaning that 13w12~ can connect to servers running any of those snapshots.


1 bug fixed

  • MC-8824 – FPS drop due to smooth lighting.