<p><b>@tomhughes</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/2524#discussion_r372528429">app/assets/javascripts/application.js</a>:</p>
<pre style='color:#555'>> @@ -3,8 +3,8 @@
 //= require jquery.timers
 //= require jquery.cookie
 //= require jquery.throttle-debounce
-//= require bootstrap.tooltip
-//= require bootstrap.dropdown
+//= require popper
+//= require bootstrap-sprockets
</pre>
<p>What's the story here? I assume <code>bootstrap-sprockets</code> is loading the bootstrap javascript from the gem but what's <code>popper</code> and where is that coming from?</p>

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