RainWarrior

<blockstate> == {
  "forge_marker": 1,
  "defaults": <variant>, // optional, added to all variants
  "variants": {
    "<property>": {
    "<value>": <variant> // variant definition for the specified value of this property; variants for multiple values can be specified.
  },
    "<variant name>": <variant>, // variant definition for the full variant string
    "<variant name>": [<variant1>, ...], // array of definitions for the full variant - result will be the random variant
  }

williewillus

This primer is licensed under CC0, do whatever you want.

BUT do note that this can be updated, so leave a link here so readers can see the updated information themselves.

1.13 and 1.14 are lumped together in this doc, you're on your own if you just want to go to 1.13 and not 1.14, for some reason.

1.15 stuff: https://gist.github.com/williewillus/30d7e3f775fe93c503bddf054ef3f93e

Things in Advance

• ResourceLocation now throw on non-snake-case names instead of silently lowercasing for you, so you probably should go and change all those string constants now. More precisely, domains must only contain alphanumeric lowercase, underscore (_), dash (-), or dot (.). Paths have the same restrictions, but can also contain forward slashes (/).

ChampionAsh5357

Minecraft 1.20.4 -> 1.20.5 Mod Migration Primer

This is a high level, non-exhaustive overview on how to migrate your mod from 1.20.4 to 1.20.5. This does not look at any specific mod loader, just the changes to the vanilla classes.

This primer is licensed under the Creative Commons Attribution 4.0 International, so feel free to use it as a reference and leave a link so that other readers can consume the primer.

If there's any incorrect or missing information, please leave a comment below. Thanks!

Pack Changes

ChampionAsh5357

Minecraft 1.20.5/6 -> 1.21 Mod Migration Primer

This is a high level, non-exhaustive overview on how to migrate your mod from 1.20.5/6 to 1.21. This does not look at any specific mod loader, just the changes to the vanilla classes.

This primer is licensed under the Creative Commons Attribution 4.0 International, so feel free to use it as a reference and leave a link so that other readers can consume the primer.

If there's any incorrect or missing information, please leave a comment below. Thanks!

Pack Changes