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13w41a Banner.png

Java Edition



Release date

October 10, 2013[1]

Snapshot for



Client (.json)
Server (.exe)

Protocol version


13w41a is the tenth snapshot for Java Edition 1.7.2.



Stained glass
  • Crafted the same way as stained clay, but with glass
  • Comes in 16 different colors.
Stained glass panes
  • Crafted the same way as regular glass panes, but with stained glass.
  • Comes in 16 different colors.





Glass panes
  • Now connect to each other and glass.
  • Are rendered differently, and are 2 pixel thick boxes.
  • Fixed transparency.
  • Are now visible through each other.
Iron bars
  • Now connect to each other and glass
  • Are rendered differently, and are 2 pixel thick boxes
Locked chest
  • Removed the block fully, instead replaced the ID for stained glass.
  • Fixed transparency.
  • Are now visible through each other.


Nether portals
  • Fixed transparency.
  • Are now visible through each other.


Network Code
  • Rewrite of the network code.[2]
  • Uses Netty now.
  • Most packets won't change.
    • Handshake and ping procedure is being redone.
  • There is a packet length header.
Server list
  • Reworked the list.
  • Added server icons.
  • Lists the current players on a server when you hover over the player number.
  • Added support for multi-line MOTD comments.
  • Removed support for MOTD comments going offscreen.
  • Reset the protocol version.
Video settings
  • Changes to the menu.


15 issues fixed
From released versions before 1.7.2
  • MC-1379 – Transparent texture makes transparent texture behind invisible.
  • MC-10984 – GS4 query listener fails to send player list when len(players) > 127.
  • MC-12984 – Getting a locked chest pushed into the player's head crashes the game.
  • MC-16435 – Boats still break on lilies.
From the 1.7.2 development versions
  • MC-29498 – Villagers, exchanging 2 items for one, have their second required item in trade deleted after reloading the world.
  • MC-29748 – Fire aspect does not cause fire on any mob.
  • MC-30873 – Crash - Block Statistics: If player breaks a technical block, the statistics get corrupted.
  • MC-31619 – Item frames are self-lit.
  • MC-31649 – Beacon beam not showing.
  • MC-31686 – Custom mob names can't be seen through blocks.
  • MC-32008 – 13w38b leaves are lighter and cast a lot fewer shadows.
  • MC-32733 – Game is sending incorrect (additional?) frames to the video buffer.
  • MC-32762 – No logging to development console.
  • MC-33057 – Text is completely unreadable/invisible.
From the previous development version
  • MC-33025 – No logs created in 13w39 client in singleplayer mode.


  • 13w41b has the same protocol version as 13w41a.
  • 13w41a was previously removed from the launcher for some time, but was added back in September 2018.