Shows generated lang files that are composed of any old translation file in the official lang folder as well as placeholder entries of new content added since.
NOTICE: this is not the true lang folder, changes to the files in that directory will be lost as they are auto-generated templates.
If your locale is present here, copy the file, and translate all entries that read "UNLOCALIZED".
If you do not want to translate all of it, simply delete all entries that are still UNLOCALIZED, this will make it equivalent to an "outdated" lang file.
Once you are finished, continue with step 3.
2. Creating a new localization file
If you couldn't find a started translation in the previous step:
Grab a copy of the full standard localization file here:
You can either open a pull request inserting your file for us, or get in contact on the feedback & help channel linked on Create's project page (CurseForge).
NOTICE: when making PRs, always target the main branch unless your changes are exclusive to a different version of minecraft than the one the main branch is on.