Minecraft: Java Edition ยท Patch release

Minecraft 1.20.3

Bats and Pots let decorated pots store items and added the copper and tuff block families. It also added the tick command, which lets admins change, freeze and measure the server tick rate.

Released
Server needs
Java 17
Protocol
765
Start a 1.20.3 serverStart a free server

Seven days free, no card. Pick 1.20.3 when you create the server, or switch an existing one from the panel.

A patch of

Minecraft 1.20 Trails & Tales

Trails & Tales added archaeology, armour trims, camels and sniffers, plus the cherry grove biome and two new wood sets.

Everything 1.20 added

What changed in Minecraft 1.20.3

The fixes and changes of this release.

  • Decorated pots can store a single item stack
  • Copper doors, trapdoors, grates and bulbs added
  • Tuff block family expanded
  • Crafter block crafts items from a redstone pulse
  • Trial spawner and the breeze mob added
  • New /tick command for controlling and measuring tick rate

Blocks and items

  • Decorated pots store one item stack and work with hoppers and droppers
  • Chiseled copper, copper bulbs, copper doors, trapdoors and grates
  • Copper blocks come in all four oxidation states
  • Tuff stairs, slabs, walls, polished variants, bricks and chiseled tuff
  • Crafter, which crafts automatically from redstone pulses
  • Trial spawner and the trial key it drops
  • Breeze spawn egg

Mobs

  • Breeze is a hostile mob that shoots wind charges with knockback
  • Bat model, animations and texture updated

World and biomes

  • Trial spawners are the combat challenge block used in trial chambers

Gameplay

  • Shield blocking improved in third person and when facing upward
  • Arrows keep custom names and special properties after being shot
  • Ender pearls make a teleport sound on impact
  • Names of non mob entities show when looked at

Commands and technical

  • New /tick command controls ticking rate and measures performance
  • /function, /execute, /return and /scoreboard extended
  • New game rules maxCommandForkCount and projectilesCanBreakBlocks
  • New game rules for nether portal delay in survival and creative
  • Data pack format 26

Running a Minecraft 1.20.3 server

What the release means for whoever runs the server.

  • Requires Java SE 17
  • Protocol version 765
  • Data pack format 26, a large jump from 18
  • /tick lets admins change, freeze and profile the server tick rate
  • Items stored in decorated pots are deleted on world reload, fixed in 1.20.4
  • New game rule maxCommandForkCount limits command fork depth

Before you update a world: take a backup. A world opened in 1.20.3 cannot be opened in an older version again. How backups work here.

1.20.3 on FadeHost

The right Java, set for you
A 1.20.3 server needs Java 17, and the panel starts it with a Java that fits. Nothing to install, nothing to pick.
Server software for 1.20.3
VanillaFabricForgeNeoForge
Who can join
Players on 1.20.3 and on 1.20.4: the network protocol is the same.
Start a 1.20.3 server

Questions about 1.20.3

When was Minecraft 1.20.3 released?

Minecraft: Java Edition 1.20.3, Bats and Pots, was released on December 5, 2023.

What Java version does a Minecraft 1.20.3 server need?

Java 17. On FadeHost the server starts with the right Java for its Minecraft version on its own, so there is nothing to install or switch.

What did Minecraft 1.20.3 change?

Bats and Pots let decorated pots store items and added the copper and tuff block families. It also added the tick command, which lets admins change, freeze and measure the server tick rate.

Can players on another version join a 1.20.3 server?

Players on 1.20.4 can: the network protocol (765) is the same. Any other version has to match the server, unless a Paper server runs plugins such as ViaVersion and ViaBackwards.

Can I update my world to Minecraft 1.20.3?

Yes. Take a backup, switch the server to 1.20.3 and start it: the world is converted on the first boot. A world opened in 1.20.3 cannot be opened in an older version again, so keep the backup until you are sure.

How do I start a Minecraft 1.20.3 server?

Create a server on FadeHost and pick 1.20.3 in the software list: Vanilla, Fabric, Forge and NeoForge are there for this version. It is online in about a minute. The free tier runs a 2 GB server at no cost, and a paid server is sized to the RAM you need.

The release before

Minecraft 1.20.2

September 21, 2023

The release after

Minecraft 1.20.4

December 7, 2023

Read on

Change a server's version

Version, software and loader build are one setting in the panel.

Java version errors

What the wrong Java looks like in the console, and why it does not happen here.

RAM calculator

How much memory a server needs, sized from servers measured on our nodes.

Every Minecraft version

All releases, what each one added and the Java it needs.

Release facts from the Minecraft Wiki:Java Edition 1.20.3. Minecraft is a trademark of Mojang; FadeHost is not affiliated with Mojang or Microsoft.