Here is my workaround which is ridiculous but it works.
Best Regards
Code:
private boolean firstChange = false; item.addChangedHandler(new ChangedHandler() { @Override public void onChanged(ChangedEvent event) { // BUG: workaround if(!firstChange) { firstChange = true; item.setValue(2); item.fireEvent(new ChangedEvent(item.getJsObj())); } } });
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