project/views/project_portal_project_project_templates.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <template id="portal_layout" name="Portal layout: project menu entry" inherit_id="portal.portal_breadcrumbs" priority="40">
        <xpath expr="//ol[hasclass('o_portal_submenu')]" position="inside">
            <li t-if="page_name == 'project' or project" class="col-lg-2" t-attf-class="breadcrumb-item #{'active ' if not project else ''}">
                <a t-if="project" t-attf-href="/my/projects">Projects</a>
                <t t-else="">Projects</t>
            </li>
            <li t-if="page_name in ['project_task', 'project_subtasks'] and project" class="breadcrumb-item active">
                <a t-if="project" t-attf-href="/my/projects/{{ project.id }}?{{ keep_query() }}"><t t-esc="project.name"/></a>
            </li>
            <li t-elif="project" t-attf-class="breadcrumb-item #{'active ' if not project else ''} text-truncate col-8 col-lg-10">
                <t t-esc="project.name"/>
            </li>
            <li t-if="page_name == 'task' or (task and not project)" t-attf-class="breadcrumb-item #{'active ' if not task else ''}">
                <a t-if="task" t-attf-href="/my/tasks?{{ keep_query() }}">Tasks</a>
                <t t-else="">Tasks</t>
            </li>
            <li t-if="page_name == 'project_subtasks' and task and project" class="breadcrumb-item active">
                <a t-attf-href="/my/projects/{{ project.id }}/task/{{ task.id }}?{{ keep_query() }}"><t t-esc="task.name"/></a>
            </li>
            <li t-elif="task" class="breadcrumb-item active text-break">
                <span t-field="task.name"/>
            </li>
            <li t-if="page_name == 'project_subtasks' or (task and subtask and project)" t-attf-class="breadcrumb-item text-truncate #{'active ' if not subtask else ''}">
                <a t-if="subtask" t-attf-href="/my/tasks/{{ task.id }}/subtasks?{{ keep_query() }}">Sub-tasks</a>
                <t t-else="">Sub-tasks</t>
            </li>
            <li t-if="subtask" class="breadcrumb-item active text-break">
                <span t-field="subtask.name"/>
            </li>
        </xpath>
    </template>

    <template id="portal_my_home" name="Show Projects / Tasks" customize_show="True" inherit_id="portal.portal_my_home" priority="40">
        <xpath expr="//div[hasclass('o_portal_docs')]" position="before">
            <t t-set="portal_service_category_enable" t-value="True"/>
        </xpath>
        <div id="portal_service_category" position="inside">
            <t t-call="portal.portal_docs_entry">
                <t t-set="icon" t-value="'/project/static/src/img/folder.svg'"/>
                <t t-set="title">Projects</t>
                <t t-set="url" t-value="'/my/projects'"/>
                <t t-set="text">Follow the evolution of your projects</t>
                <t t-set="placeholder_count" t-value="'project_count'"/>
            </t>
            <t t-call="portal.portal_docs_entry">
                <t t-set="icon" t-value="'/project/static/src/img/tasks.svg'"/>
                <t t-set="title">Tasks</t>
                <t t-set="url" t-value="'/my/tasks'"/>
                <t t-set="text">Follow and comments tasks of your projects</t>
                <t t-set="placeholder_count" t-value="'task_count'"/>
            </t>
        </div>
    </template>

    <template id="portal_my_projects" name="My Projects">
        <t t-call="portal.portal_layout">
            <t t-set="breadcrumbs_searchbar" t-value="True"/>

            <t t-call="portal.portal_searchbar">
                <t t-set="title">Projects</t>
            </t>
            <t t-if="not projects">
                <div class="alert alert-warning" role="alert">
                    There are no projects.
                </div>
            </t>
            <t t-if="projects" t-call="portal.portal_table">
                <tbody>
                    <tr t-foreach="projects" t-as="project">
                        <td>
                            <a t-attf-href="/my/projects/#{project.id}"><span t-field="project.name"/></a>
                        </td>
                        <td class="text-end">
                            <t t-out="project.task_count" />
                            <t t-out="project.label_tasks" />
                        </td>
                    </tr>
                </tbody>
            </t>
        </t>
    </template>

    <template id="portal_my_project" name="My Project">
        <t t-call="portal.portal_layout">
            <t t-set="title" t-value="project.name"/>
            <t t-set="o_portal_fullwidth_alert" groups="project.group_project_user">
                <t t-call="portal.portal_back_in_edit_mode">
                    <t t-set="backend_url" t-value="'/web#model=project.project&amp;id=%s&amp;view_type=kanban' % (project.id)"/>
                </t>
            </t>

            <t t-call="portal.portal_searchbar">
                <t t-set="title">Tasks</t>
            </t>
            <t t-if="not grouped_tasks">
                <div class="alert alert-warning" role="alert">
                    There are no tasks.
                </div>
            </t>

            <t t-call="project.portal_tasks_list"/>
        </t>
    </template>
</odoo>