v-autocomplete and setting user input as its value
In Vuetify 1.1.7 Combobox has new feature which you can refer to.
Its on the Advance custom options.
had this same issue and solved it with the v-combobox
it's kinda like the same as v-autocomplete
so, you can just replace your tags with <v-combobox></v-combobox>
or check the documentation here: https://vuetifyjs.com/en/components/combobox/#usage