openproject/app/views/warning_bar/_warning_bar.html.erb

<% if show_warning_bar? %>
<div class="warning-bar--wrapper">
  <%= render partial: 'warning_bar/host_and_protocol_mismatch' if render_host_and_protocol_mismatch? %>
  <%= render partial: 'warning_bar/pending_migrations' if render_pending_migrations_warning? %>
  <%= render partial: 'warning_bar/unsupported_browser' if unsupported_browser? %>
</div>
<% end  %>