oca-warehouse/odoo-bringout-oca-stock-logistics-barcode-stock_barcodes/stock_barcodes/views/stock_location_views.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <!--
    Odoo v13.0 has been removed barcode field from location view, so we need to
    add the field to allow to assign a value
     -->
    <record id="stock_location_form_inherit" model="ir.ui.view">
        <field name="name">stock.location.inherit</field>
        <field name="model">stock.location</field>
        <field name="inherit_id" ref="stock.view_location_form" />
        <field name="arch" type="xml">
            <group name="additional_info" position="after">
                <group name="barcode" string="Barcode">
                    <field name="barcode" />
                </group>
            </group>
        </field>
    </record>
</odoo>