understanding what worth looking at in order to improve overall performance.
(https://cdn.wp.nginx.com/wp-content/uploads/2016/12/Amplify-Dashboards-page-base-for-filters.png)
+ * Drop CGI-1.1-incompatible behaviors kept for compatibility reasons with
+ "broken" server implementations (PR 51517). (Note that many of them are
+ "broken" *because* of our behaviors.)
+
+
OLD ISSUES THAT WERE THOUGHT TO BE SHOWSTOPPERS FOR 2.4 BUT OBVIOUSLY WEREN'T:
* Handling of non-trailing / config by non-default handler is broken