Improved arch support for combobox, see https://github.com/phetsims/sun/issues/162 and https://github.com/phetsims/concentration/issues/34
Improved arch support for combobox, see https://github.com/phetsims/sun/issues/162 and https://github.com/phetsims/concentration/issues/34

phetsims/sun,phetsims/sun,phetsims/sun