What's is latest version for angular 2.3.1

I want to know what's the highest version compatible with angular 2.3.1, and I want to use the property class for set my css theme. Please answer me..!!
settings = {
columns: {
cedula: {
title: 'Cedula',
type: 'html',
class: '"titulos"'
},
nombre: {
title: 'Nombre'
},
telefono: {
title: 'Telefono'
},
email: {
title: 'Email'
},
fecha_nacimiento: {
title: 'Fecha Nacimiento'
}
}