server-ux/base_technical_features/views/res_users.xml

<?xml version="1.0" encoding="utf-8" ?>
<flectra>
    <record id="view_users_form_simple_modif" model="ir.ui.view">
        <field name="name">
            Add technical features checkbox to user preferences form
        </field>
        <field name="model">res.users</field>
        <field name="inherit_id" ref="base.view_users_form_simple_modif" />
        <field name="arch" type="xml">
            <field name="tz_offset" position="after">
                <field
                    name="technical_features"
                    readonly="0"
                    attrs="{'invisible': [('show_technical_features', '=', False)]}"
                />
                <field name="show_technical_features" invisible="1" />
            </field>
        </field>
    </record>
</flectra>