Where can I find an up-to-date JSON schema for form palette?

The schema linked in the website seems very outdated: https://developer-docs.flowable.com/schemas/palette.json

Any idea where I could find a more recent one?

I am in particular looking for answers to questions like:

  • what is the difference between “type”: “SimpleTextExpression”, and “type”: “TextExpressionEditor” ?
  • why is it that if I use type “Multiline” I cannot open the edit window when clicking on a text display?