Upgrading

From 1.x to 2.x

With usage of selectize plugin, same applies for other plugins

  "format": "select"

needs to be changed to

  "format": "selectize"

and

  "options": {
    "selectize_options": {
      ...
    } 
  }

to

  "options": {
    "selectize": {
      ...
    } 
  }