{{ gettext('On %(timestamp)s, %(username)s:', timestamp=h.render_datetime(activity_diff.activities[1].timestamp, with_hours=True, with_seconds=True), username=h.linked_user(activity_diff.activities[1].user_id)) }}
{% set changes = h.compare_group_dicts(activity_diff.activities[0].data.group, activity_diff.activities[1].data.group, activity_diff.activities[0].id) %}
{% for change in changes %}
{% snippet "snippets/group_changes/{}.html".format(
change.type), change=change %}
{% endfor %}