0.1.3+beta+1.21.1

Please see the wiki page of the differences between the official items model definition system vs. Modefite.

Should contain the important features that resource pack creators use from the new items system introduced in 1.21.5.

This is not a one-to-one version of the items model definition system from 1.21.5. Please report any issues, bugs, or feature requests to the issue tracker!