{% for name, versions in runtime_versions -%}
    {%- if versions -%}
        {%- if versions[0] != versions|last -%}
            {{ name }} {{ versions[0] }} - {{ versions|last }}
        {%- else -%}
            {{ name }} {{ versions[0] }}
        {%- endif -%}
    {%- else -%}
        {{ name }}
    {%- endif -%}
    {%- if not loop.last %}, {% endif -%}
{%- endfor -%}
