{% for month, articles in date_year|groupby('date.month')|sort(reverse=True) %}
    <h3>
        {% if MONTH_ARCHIVE_SAVE_AS %}
            <a href="{{ SITEURL }}/{{ MONTH_ARCHIVE_SAVE_AS.format(date=articles[0].date)|replace('index.html', '') }}"
               rel="bookmark" title="Archives for {{ articles[0].date.strftime('%B') }} {{ year }}"
               itemprop="url">
                {{ articles[0].date.strftime('%B') }}
            </a>
        {% else %}
            {{ articles[0].date.strftime('%B') }}
        {% endif %}
    </h3>
    <section class="eevee-toc">
        <nav class="eevee-toc-ribbon">
            <ul>
                {% for article in articles|sort(reverse=True) %}
                    <li>
                        <a href="{{ SITEURL }}/{{ article.url }}" itemprop="url" rel="bookmark"
                           title="Permalink to '{{ article.title|striptags }}'">
                            {{ article.title }}
                        </a>
                    </li>
                {% endfor %}
            </ul>
        </nav>
    </section>
{% endfor %}

{% for month, articles in date_year|groupby('date.month')|sort(reverse=True) %}
    <h3>
        {% if MONTH_ARCHIVE_SAVE_AS %}
            <a href="{{ SITEURL }}/{{ MONTH_ARCHIVE_SAVE_AS.format(date=articles[0].date)|replace('index.html', '') }}"
               rel="bookmark" title="Archives for {{ articles[0].date.strftime('%B') }} {{ year }}"
               itemprop="url">
                {{ articles[0].date.strftime('%B') }}
            </a>
        {% else %}
            {{ articles[0].date.strftime('%B') }}
        {% endif %}
    </h3>
    <section class="eevee-toc">
        <nav class="eevee-toc-ribbon">
            <ul>
                {% for article in articles|reverse %}
                    <li>
                        <a href="{{ SITEURL }}/{{ article.url }}" itemprop="url" rel="bookmark"
                           title="Permalink to '{{ article.title|striptags }}'">
                            {{ article.title }}
                        </a>
                    </li>
                {% endfor %}
            </ul>
        </nav>
    </section>
{% endfor %}

Fix for archives after |sort(reverse=true) stopped working
Fix for archives after |sort(reverse=true) stopped working
