0👍
In v4.0.0 there is an allow-create
prop which allows you to create new items.
<Select v-model="model18" filterable multiple allow-create @on-create="handleCreate2">
<Option v-for="item in cityList4" :value="item.value" :key="item.value">{{ item.label }}</Option>
</Select>
Source:stackexchange.com