<CForm> in vue doesn't accept functionality of universal properties

https://coreui.io/vue/docs/components/form-components.html#cform-api

doesn’t allow “isValid” even though at the top of the page the documentation explicitly states that the properties at the top are available to all the form elements.

<template>
<div>
    <CForm
        class='col-sm-2'
        v-for='( markets, index ) in chunkedMarkets'
        :tooltipFeedback='true'
        :invalidFeedback='"Please submit an apropreate "'
        :isValid='false'
        :key='index'>
        <!-- <CCol 
            sm='2'> -->
                <div
                    v-for='( market, i ) in markets'
                    :key='market.market_id'
                    :name='market.name'>
                    <CInputCheckbox
                        :label='market.name'
                        :checked='checked[market.market_id]'
                        @update:checked='v => handleCheckboxUpdate( market.market_id, v)'/>

                    <CInputCheckbox
                        v-if='index === chunkedMarkets.length - 1 && i === markets.length - 1'
                        :label='"Check All"'
                        :checked='isCheckAll'
                        @click='checkAll'/>
                </div>
        <!-- </CCol> -->
    </CForm>
</div>