- 'blueish' style got removed. 'big' style was added
- options.data renamed to options.buttons
- changes in the buttons api:
- 'type' deleted
- 'iconSize' deleted
- 'hideTitle' deleted
- 'items' renamed in 'dropdownItems'
- 'itemsOptions' renamed in 'dropdownOptions'
- 'markable' renamed in 'markSelected'
- 'changeButton' new instead of 'type: "select"'
- 'translate' removed
- 'languageNamespace' removed