Complete changelog:

• Survival-centered features
• Added Endermite – via
  • Screenshot 
  • Look like silverfish, emit ender particles
  • Endermen are hostile towards them – via
  • Will sometimes spawn in place of an enderman teleporting away – via
  • Will despawn after 2 minutes – via
  • Will spawn when an ender eye is destroyed – via
• Blocks now internally use states instead of metadata
  • Metadata will still be used for a while
  • Block states of the block being looked at will now be displayed on the F3 menu – Examples: redstone , door 
  • Internally, metadata no longer needs to be calculated out of the 4 bit data value, instead the values of specified properties can now be easily gotten and set
• Improved models
  • Converted fence gates, brewing stands
  • Lighting now works with models – Screenshots
• Changed minecart physics
  • Improved collision and position handling
  • Carts tend to derail more often now
• Made furnace minecart actually useful
  • They now give a much greater boost to other minecarts
• Improved the general mob AI
• Fixed some bugs
  • Fixed derailed minecarts sinking into the ground
  • Fixed the minecart hitbox being too tall
  • Fixed custom UUIDLeast/UUIDMost pairs yielding errors and not working with some commands
  • Fixed rails not rendering from below
  • Fixed cauldrons rendering some faces incorrectly

Update: Snapshot 14w11b has been released to fix some crashes and bugs. Bug fixes:

• [Bug MC-50572] – Upward facing droppers/dispensers only shoot items west
• [Bug MC-50948] – Tripwire hook Texture Messed up
• [Bug MC-50950] – Hopper: java.lang.NullPointerException: Ticking entity
• [Bug MC-50951] – Flickering world menu
• [Bug MC-50958] – Name and ID cannot both be blank
• [Bug MC-50964] – Endermite Spawn Egg has the wrong name
• [Bug MC-50975] – When ironbars are placed on a block, the lower part is black.
• [Bug MC-50984] – Dark Oak Sapling name is missing.
• [Bug MC-50996] – Existing player heads only show the default Steve head
• [Bug MC-51009] – No podzol in creative inventory
• [Bug MC-51014] – Hopper: java.lang.ArrayIndexOutOfBoundsException: 7
• [Bug MC-51016] – EnderMites doesn’t move
• [Bug MC-51045] – Brewing stand graphic shows different things depending on which angle you look at it
• (For resource pack makers) generic blocks now load models and not predefined block shapes

We are going to GDC this weekend, so there will be a pause in snapshots for a short while. But before we get on the plane, we wanted you to have the latest changes to play with.

Please report any and all bugs you find in Minecraft to bugs.mojang.com. If nobody reports a bug, we can’t fix it!

Survival changes:

• Changed minecart physics
• Made furnace minecart actually useful
• Improved the general mob AI
• And some surprises, try to find them

Mapmaker changes:

• Fixed some minor bugs

Bugs fixed in this snapshot:

• [Bug MC-47585] – Derailed minecarts sink into the ground
• [Bug MC-47695] – Minecart hitbox is too tall
• [Bug MC-50413] – Custom UUIDLeast/UUIDMost pair yields error
• [Bug MC-50452] – Rails don’t render from below
• [Bug MC-50838] – Entity UUID WitherSkull
• And many more that weren’t on the bug tracker so we couldn’t mark them as fixed! Did I mention please report bugs? Thanks.

To get snapshots, open your launcher and press the “New Profile” button. Call it “snapshots” and check the box saying “Enable experimental development snapshots” and save. To switch to the normal version, you can select it in the dropdown at the bottom left corner of the launcher. Back up your world first or run the game on in a different folder (See the “new profile” dialog).

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

Cross-platform server jar: https://s3.amazonaws.com/Minecraft.Download/versions/14w11b/minecraft_server.14w11b.jar

Report bugs here:

• Minecraft issue tracker!