Drupal Association members fund grants that make connections all over the world.
The X-UA-Compatible header isn't case sensitive; however, it must appear in the header of the webpage (the HEAD section) before all other elements except for the title element and other meta elements.
Currently it appears after, for example,
<link rel="shortcut icon"> element.
at_core/inc/alter.inc change line 28 from
'#weight' => 1, to
'#weight' => -999,